ManTech seeks a motivated, career and customer-oriented Principal Cyber Security Developer to join our team in Chantilly, VA. Principal Cyber Security Developers ensure excellence in the development and delivery of cyber security software solutions. They actively develop, test, and deploy high-quality cyber solution components according to provided requirements. This role requires a professional who thrives both in collaborative team settings and when working independently.Responsibilities include but are not limited to:Developing software applications using Java or other related programming languagesDeveloping backend software and user interfaces related to identity and access management services, including directory, access, identity, and privileged access management servicesProviding support and documentation in coordination with the development and deployment teamsMaintaining infrastructure in cloud or other virtualized environmentsProviding guidance in support of testing automation techniquesProviding COTS software installation, customization and automationMaintaining Authority to Operate (ATO)Providing status reports in an Agile environmentMentoring Junior level staff in software development principalsMinimum Qualifications:Bachelor’s degree in computer science or related fields, or 4+ years of additional experience in lieu of degree7+ years of working experience in the IT fieldMust have or be willing to obtain IAT Level II certifications within 6 months of hireExperience working in LINUX environmentsKnowledge of LDAP directory and managing databasesExperience with Public Key Infrastructure (PKI) concepts and implementationAbility to create scripts to assist with automation effortsPreferred Qualifications:Experience with Ansible, and writing automation playbooksExperience working in an Agile environmentExperience working in a Dev/Ops environmentKnowledge of Identity and Access Management principalsExperience with SailPoint and RadiantLogicExperience working in multi-disciplined teamsClearance Requirements:Must have a current/active TS/SCI w/PolygraphPhysical Requirements:The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.

MANTECH seeks a motivated, career and customer-orientedPrincipal Systems Administratorto join our team inPentagon, VA. The position is onsite. Responsibilities include but are not limited to:Provide specialized support and troubleshooting for VIP users, including hardware, software, network, and application issuesManage and maintain computer systems, servers, and other IT infrastructure, ensuring optimal performance and securityManage VIP user accounts, permissions, and security access within the organization's IT environmentIdentify, diagnose, and resolve technical issues related to VIP user's IT needsMaintain accurate and up-to-date documentation of IT systems, procedures, and user support informationCollaborate with other IT staff and stakeholders to ensure smooth IT operations and address VIP user needsStrong technical skills in areas such as Windows and Linux operating systems, network administration, virtualization, and securityExcellent problem-solving and troubleshooting skills to quickly identify and resolve issuesStrong communication and interpersonal skills to interact with VIP users and IT staffExperience in managing and supporting complex IT environments, especially for VIP usersManaging desktop computers, servers, and other hardware devices for VIP usersInstalling, configuring, and updating software applications used by VIP usersTroubleshooting and resolving technical issues related to VIP users' hardware, software, and network accessCreating, modifying, and managing VIP user accounts and permissionsSupporting and maintaining specialized software and hardware used by VIP usersProviding training and support to VIP users on new software and hardwareManaging Active Directory and other infrastructure core servicesProviding support for thin clients and virtual desktop environmentsSupporting and maintaining COTS and custom softwareCollaborating with other teams to ensure technology needs are met for eventsMinimum Qualifications:Bachelor’s degree in a technical field and 7+ years of experience in the Information Technology; an additional 4 years of Systems Administration experience can be substituted in lieu of a degreeUnderstanding of operating systems (Windows, Linux, macOS), servers, and networkingExperience with network protocols (TCP/IP), switch configurations, and firewalls is essentialExperience with scripting languages (e.g., Python, PowerShell) for automating tasks and improving efficiencyMicrosoft Visio, Word, Excel experience CASP+ Certification or ability to obtain within 6 months of hireDoD 8570 Computing Environment Certification or ability to obtain within 6 months of hireKnowledge of Microsoft Windows Systems, HP SANs, VMware productsExperience using a Service Desk ticketing system, such as Remedy or ServiceNowPreferred Qualifications:One of the following certifications is desired:MCSE - Microsoft Certified System Engineer, MCSE - Microsoft Certified Solutions Expert, MCSA - Microsoft Certified Solutions Associate, MCITP - Microsoft Certified Information Technology Professional, VMware VCP - VMware Certified Professional, CCNA - Cisco Certified Network AdministratorITIL Foundations or later certification General Dynamics Encryptor experienceSolarWinds experience and knowledgeCisco Prime Infrastructure experience and knowledgeSecurity Clearance Requirements:US Citizenship required and an active TS/SCI clearance adjudicated within the last 6 years.Physical Requirements:Must be able to remain in a stationary position 50%.Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.Frequently communicates with co-workers, management, and customers, which may involve delivering presentations.Must be able to exchange accurate information in these situations.

MANTECH seeks a motivated, career and customer-oriented Senior Software Engineer to join our team in Alexandria, VA. As part of the position, you will act as a Software Engineer designing and implementing services and components for AI applications.Responsibilities include but are not limited to:Develops, implements, and maintains full-stack software solutions for AI-enabled applications.Works closely with the Software Architect to understand project requirements and translate them into technical specifications.Develops and integrates AI and ML capabilities on a cloud-hosted data platform that supports significant market adoption, high performance, and strict access control and governance.Designs and builds prototype and proof of concept User Interfaces using modern UX/UI standards.Stays current with advancements in AI, machine learning, and software engineering, incorporating best practices into the development process.Performs system optimization, performance tuning and assists in capacity planning.Performs proactive analysis of potential issues, risks and roadblocks during system implementation and operations.Documents software designs, code, and processes to ensure maintainability, scalability, and knowledge sharing among team members.Participates in code reviews and provides constructive feedback to peers to ensure code quality, adherence to coding standards, and knowledge transfer within the team.Minimum Qualifications:Bachelor's degree in Computer Science, Information Technology, or a related field.10 or more years (7 with Master’s) of experience in software development, systems integration, data management, or related fields.Experience with configuring and developing in a major public cloud system such as Oracle, Azure, AWS, or GCP.Experience in programming and/or scripting languages such as JavaScript, Python, C++, or Java.Experience with software development frameworks and tools (e.g., TensorFlow, PyTorch, Flask, Docker).Strong understanding of software engineering principles, including design patterns, data structures, and algorithms.Experience with DevOps tools and techniques for building integrations with external systems including Infrastructure as Code (IaC). Example tools include Jenkins, GitLab, Ansible, Terraform, AWS Cloud Formation TemplatesPreferred Qualifications:Master's degree in Computer Science, Information Technology, or a related field.Strong analytical and problem-solving skills.Excellent communication and interpersonal skills.Experience working with data ingest and transformation.Ability to work effectively in a team-oriented environment.Clearance Requirements:Must possess a current and active TS/SCIPhysical Requirements:The person in this position must be able to remain in a stationary position 50% of the time.Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.

Mantech seeks a motivated, career and customer-oriented LinuxSystem Administrator to join our team in Laurel, MD. You will be part of a dedicated team delivering enterprise infrastructure capabilities for a global workforce that supports a wide range of national defense missions. This role directly supports the Enterprise Infrastructure Services (EIS) organizationthe foundation of all Enterprise Information Technology (EIT) for MPO.Responsibilities include but are not limited to:Configure and manage Linux operating systems. Installs/loads operating system software, troubleshoots maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance.Provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems.Manage IT system infrastructure and any processes related to these systems.Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all the client/server/storage/network devices, mobile devices, etc.Provide support for the dispatch system and hardware problems and will remain involved in the resolution process.Optimize system operations and resource utilization and perform system capacity analysis and planning.Analyze and resolve complex problems associated with server hardware, applications and software integration.Minimum Qualifications:Bachelor’s degree in a technical discipline from an accredited college or university with 12+ years of experience as a System Engineer supporting programs and contracts of similar scope, type, and complexity. 3 years of additional experience with an associate’s degree might be substituted OR 8 years of additional experience and a high school diplomaMust be proficient with troubleshooting in a Linux Red Hat environment.Experience with VMWareDemonstrated experience with modern automation/configuration tools such as Splunk or AnsibleIAT II certification (DoD 8140 required within 60 days of starting employment. Acceptable certifications include CCNA-Security/CySA+/GICSP/GSEC/Security+ CE/CND/ or SSCP)Preferred Qualifications:Experience/familiarization with full lifecycle management of Linux systems, to include provisioning, configuration management and patching.Red Hat Certified System Administration Certification.Experience with NetAPPClearance Requirements:Must have a current/active Top Secret/SCI with PolygraphPhysical Requirements:The person in this position must be able to remain in a stationary position 50% of the time.Occasionally move about inside the office to collaborate with other leaders/teams, use standard office automation equipment, and virtual communication.

Mantech seeks a motivated, career and customer-oriented OracleDatabase Administrator/Engineer, to join our team in Laurel, MD.The team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation.Responsibilities Included but are not limited to:Manages the full lifecycle of Oracle databases, including builds, structure development, decommissioning, monitoring, data migrations, configuration, software baseline maintenance, patching, and documentation.Responsible for supporting the development of long- and short-term requirements for database administration and design.Will assist with guiding users in formulating requirements, advises alternative approaches, and conducts feasibility studies.Responsible for supporting the analysis and evaluation of system improvements, optimization, development and/or maintenance efforts.Minimum Qualifications:Bachelor’s degree in a technical discipline from an accredited college or university. 5 additional years engineering experience might be substituted for a bachelor’s degree14+ years’ experience as a Database Administrator/Engineer in programs and contracts of similar scope, type and complexity is requiredExperience with administration and engineering of Oracle and PostgreSQL DatabasesExperience with Oracle databases 12c, 19c, and/or laterIAT II certification (DoD 8140 required within 60 days of starting employment. Acceptable certifications include CCNA-Security/CySA+/GICSP/GSEC/Security+ CE/CND/ or SSCP)Preferred Qualifications:Experience with: MySQL, Oracle Enterprise Management (OEM) / Cloud Control, BARMAN, PGADMIN, Data Pump, Oracle Recovery Manager (RMAN), Oracle Exadata/RAC.Clearance Requirements:Must have a current/active TS/SCI w/ PolygraphPhysical Requirements: The candidate must be able to move, carry and deliver workstations from inside the office to customer’s desk.The person in this position must be able to remain in a stationary position 50% of the time.Must communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.

Mantech seeks a motivated, career and customer-oriented Cloud Solution Architect to join our team in Laurel, MD.We deliver critical enterprise infrastructure capabilities that enable a global workforce to carry out vital national defense missions. Our work is a key component of the Enterprise Infrastructure Services (EIS) organization, which oversees MPO's Enterprise Information Technology (EIT). EIT serves as the backbone platform supporting all enterprise users.Responsibilities include, but are not limited to:Serve as a cloud strategy and architecture lead, supporting the customer’s transition to modernized, cloud-native environments.Lead technical exchange meetings and provide expert consultation on cloud migration, transformation planning, and solution optimization.Conduct Analysis-of-Alternatives (AoA) to evaluate cloud architectures and implementation strategies for mission-critical applications.Develop well-informed cloud adoption roadmaps and architecture artifacts in alignment with enterprise strategy.Provide recommendations on cloud services and capabilities based on application-specific needs, security compliance, and cost-efficiency.Collaborate with stakeholders, IPTs, and vendors to guide the implementation of secure, scalable, and resilient cloud solutions.Minimum Qualifications:Bachelor’s degree and 12+ years of relevant experience OR an associate’s degree and 15 years of relevant experience.Demonstrated experience providing technical direction, leading complex IT/cloud architecture projects in enterprise environments and providing cloud strategy for medium to large-scale systems.Proven experience advising application/product teams on migrating legacy systems to cloud-based solutions such as AWS, Azure or Oracle Cloud Infrastructure (OCI)IAT II certification (DoD 8140 required within 60 days of starting employment. Acceptable certifications include CCNA-Security/CySA+/GICSP/GSEC/Security+ CE/CND/ or SSCP)Extensive experience designing and implementing solutions in AWS, demonstrating deep understanding of core AWS services and the Well-Architected FrameworkPreferred Qualifications:Design, model, and implement robust data architectures for both cloud and relational repositories, including logical and physical data modeling, database design, administration, tuning, and application development.Experience architecting and implementing cloud environments with a focus on high availability, fault tolerance, scalability, and cost optimization.Familiarity with DevSecOps, Infrastructure as Code (IaC), and automation frameworks is a plus.Experience with architecting, implementing, and optimizing cloud-based solutions using Amazon Web Services (AWS), adhering to the AWS Well-Architected Framework, including VPC, routing, subnets, Security Groups, ELB, Auto-Scaling, RDS, Route 53, S3, CloudFront, SNS, CloudTrail, CloudWatch, GuardDuty, and Inspector.Clearance Requirements:Must possess a current/active TS/SCI with Polygraph.Physical Requirements:Must be able to remain in a stationary position 50% of the time.Occasionally moves about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and/or virtual communication, which may involve delivering presentations.

Mantech seeks a motivated, career and customer-oriented Cloud System Engineer, to join our team in Laurel, MD. The Cloud System Engineer will support enterprise cloud transformation initiatives across mission-critical programs. The ideal candidate will have experience in cloud-based systems architecture, demonstrate knowledge of DevOps, and contribute to the strategic design and implementation of scalable, secure, and resilient cloud environments across various platforms. Responsibilities includebut are not limited to:The engineer will be responsible for integrating new solutions into existing on-premises cloud resources or off-premises infrastructure and evaluate impact to efficiently service changing business needs.Will integrate cloud applications for performance, resiliency, availability and scale.Should be able to engineer solutions with a DevOps approach for workloads using proven, cloud technologies including automation with Amazon CloudFormation, Ansible, and Docker. The engineer should be able to take an innovative approach to cloud design. Candidate should think outside the box and have a thorough understanding of DevOps and push our approach beyond typical cloud design.Assist with automation and the development of scripts across multiple cloud providers to develop an infrastructure as a code library.Minimum Qualifications:Bachelor’s degree with 12+ years of relevant experience OR associate’s degree with 15+ years of relevant experience OR high school diploma with 20+ years of relevant experienceIAT II certification (DoD 8140 required within 60 days of starting employment. Acceptable certifications include CCNA-Security/CySA+/GICSP/GSEC/Security+ CE/CND/ or SSCP)Must possess strong knowledge of a wide range of cloud services and solutions such as AWS, and Microsoft Azure Products.Experience with automating processes, managing cloud infrastructure, and ensuring smooth cloud integration using DevOps practicesExperience with managing CI/CD pipelines, automating infrastructure provisioning, and monitoring application performance in the cloudPreferred Qualifications: Scripting experience with tools such as Python and PowershellExperience with Infrastructure as Code (IaC) languages (Terraform or BICEP)Clearance Requirements: Must have a current active Top Secret/SCI with PolygraphPhysical Requirements:Must be able to remain in a stationary position 50% of the timeOccasionally moves about inside the office to access file cabinets, office machinery, etc.Frequently communicates with co-workers, management, and customers, including delivering presentations. Must be able to exchange accurate information in these situations

Mantech seeks a motivated and career-oriented Windows Systems Administrator to join our team in Laurel, MD.You will be part of a dedicated team delivering enterprise infrastructure capabilities for a global workforce that supports a wide range of national defense missions. This role directly supports the Enterprise Infrastructure Services (EIS) organizationthe foundation of all Enterprise Information Technology (EIT) for MPO.Responsibilities include, but are not limited to:Support the implementation, troubleshooting, and maintenance of IT systemsProvide Tier 1 (Help Desk) and Tier 2/3 (Escalation) support for problem identification, diagnosis, and resolutionIdentify and resolve performance and capacity issues in Windows systems, and support hardware-related problem resolution and dispatchingDeliver detailed analysis and feedback to agency management and internal customers for escalated ticketsInstall operating system software, troubleshoot system issues, maintain system integrity, configure network components, and implement OS enhancements to improve reliability and performanceMust be willing to work a flexible schedule between 6:00am-6:00pm and may be assigned to an evening patching scheduleMinimum Qualifications:Bachelor’s degree in a technical discipline from an accredited college or university. 5 additional years of System Administrator experience might be substituted for a bachelor’s degree14+ years of experience as a System Administrator in programs and contracts of similar scope, type, and complexityExperience with configuring, maintaining and modernizing a Windows OS environmentExperience with patching Windows OS environments to meet security compliance requirementsIAT II certification (DoD 8140 required within 60 days of starting employment. Acceptable certifications include CCNA-Security/CySA+/GICSP/GSEC/Security+ CE/CND/ or SSCP)Preferred Qualifications:Familiarity with configuring, scripting, and managing Unix, and RHEL operating systemsFamiliarity with ScanboyFamiliarity with JIRA ticketing systemFamiliarity with Enclave environmentsFamiliarity with VMWareClearance Requirements:Must have a current/active TS/SCI with PolygraphPhysical Requirements:The candidate should be able to move, carry, and deliver workstations from inside the office to customer desksThe person in this position must be able to remain in a stationary position 50% of the timeMust communicate with co-workers, management, and customers via email, phone, or virtual meetings, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

Mantech seeks a highly motivated and collaborative DevOps Engineer to join our team in Annapolis Junction, MDThis position will support the development, deployment, and sustainment of secure backend and infrastructure services in a mission-driven enterprise environment. You will be part of the Enterprise Infrastructure Services (EIS) organization responsible for MPO’s foundational Enterprise Information Technology (EIT) platform, enabling enterprise-wide capabilities for a global user base.Responsibilities include, but are not limited to:Design, deploy, and maintain scalable and secure infrastructure in Kubernetes environments using GitOps workflows with Flux, Kudectl, and KustomizeIntegrate and manage service mesh technologies such as Istio for secure traffic flow and observabilitySupport containerization pipelines using Docker and automate builds with MavenManage system documentation and inventories across the lifecycle to ensure compliance and traceabilityConduct development and troubleshooting within Linux environments and support script-based automation using PythonCollaborate with software developers and security analysts to align infrastructure support with secure coding and authorization needsAddress POAMs (Plan of Action and Milestones) related to IAVA/IAVAx findings and support remediation actionsMinimum Qualifications:Bachelor’s degree with 12+ years of related experience OR associate’s degree with 15 years OR high school diploma/GED with 20 years of experienceExperience with scripting and analysis skills in Python using Linux-based development environmentsStrong background in containerization with Docker and infrastructure automation using MavenExperience using Jira, Confluence, and IDEA IDE for agile collaboration.Preferred Qualifications:Experience managing Kubernetes clusters with Istio and RancherGeneral DevOps KnowledgeProficiency with Git/GitLabExperience using Flux, Kudectl, and KustomizeFamiliarity with streaming and caching tools such as Kafka and RedisClearance Requirements:Must have a current/active TS/SCI with PolygraphPhysical Requirements:Must be able to remain in a stationary position 50% of the timeOccasionally moves about inside the office to access file cabinets, office machinery, etc.Frequently communicates with co-workers, management, and customers, including delivering presentations. Must be able to exchange accurate information in these situations

ManTech seeks a motivated, career and customer-oriented Cyber Incident Response Analyst to join our team in McLean, Virginia. Our team provides 24x7x365 support to our customer.The Cyber Incident Response Analyst will work a 4-day work week; 10 hours per shift. Staff will be assigned to either Sun-Wed or Wed-Sat. The schedule is fixed and does not rotate. We have openings on 1st, 2nd and 3rd shifts. Shift differential applies to 2nd and 3rd shifts. Candidate must be able to train on day shift for 6 months.Responsibilities include but are not limited to:Incident Detection and MonitoringIncident Analysis and InvestigationIncident Response and MitigationThreat Intelligence and Vulnerability ManagementReporting and DocumentationMinimum Qualifications:Bachelor’s Degree or High School diploma and 1+ years of experience in incident response or security operations center or a cyber security related role.Knowledge of cybersecurity principles, incident detection, analysis, and response methodologies.Knowledge of operating systems, network protocols, and security technologies.Knowledge of threat intelligence, vulnerability management, and security incident response best practices.Ability to obtain a DoD 8570 IAT-II certification within 6 months of hirePreferred Qualifications:Relevant certifications including GIAC Certified Incident Handler (GCIH), Certified Incident Response Handler (GCFA) or similarExperience with using SIEM systems, network security tools, and log analysis toolsExperience with cyber incident responseExperience with Mitre ATT&CK frameworkExperience with threat intelligence, vulnerability management, and security incident responseClearance Requirements:Must have a current/active TS/SCI w/PolygraphPhysical Requirements:The person in this position must be able to remain in a stationary position 50% of the time

ManTech seeks a motivated, career- and customer-oriented SrCloud System Administrator to join our team in Hanover, MD. Our team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation. This effort supports the Enterprise Infrastructure Services (EIS) organization, which oversees MPO’s Enterprise Information Technology (EIT)the backbone platform for all enterprise users.Responsibilities include, but are not limited to:Provide administration and support for Windows Server 2022 environments, including Active Directory, and manage Windows 10/11 client systems.Architect, deploy, and maintain robust cloud environments, primarily within AWS, while also supporting existing on-premise server infrastructure.Develop, implement and maintain automation scripts and configurations using SaltStack to streamline infrastructure provisioning, configuration management and deployment processes.Collaborate with development teams to support integration and operational stability of CI/CD pipelines, ensuring smooth deployment and reliable software deployments.Administer, monitor, and troubleshoot AWS cloud resources, including EC2, S3, VPC, IAM, and other core servicesMonitor system performance, availability, and security, responding to incidents and performing root cause analysisAdminister and troubleshoot various Linux distributions (e.g., Ubuntu, CentOS, RHEL) within both cloud and on-premise contextsMinimum Qualifications:20+ years of experience as a Systems Administrator or Cloud Engineer supporting programs and contracts of similar scope and complexityBachelor’s degree in system engineering, Computer Science, Information Systems, Engineering Science, Engineering Management or related professional engineering discipline from an accredited college or university is requires. An additional 5 years of System Engineer experience may be substituted for a degreeMust hold an IAT II certification (e.g., Security+ or equivalent); candidates will have 60 days from program start to obtain itProficiency in administeringLinuxoperating systems.Experience with Windows Server 2022 administration, including Active Directory and networkingPreferred Qualifications:Experience working in enterprise or government environmentsFamiliarity with cloud security and compliance practicesHands-on experience with Amazon Web Services (AWS) for infrastructure deployment, management, and troubleshootingStrong communication and interpersonal skills, capable of working effectively in a team environmentProficiency in administering and troubleshooting Linux distributions (e.g., Ubuntu, CentOS, RHEL).Clearance Requirements:Must have a current/active TS/SCI with PolygraphPhysical Requirements:The candidate must be able to move, carry, and deliver workstations from the office to customer desksThe person in this position must be able to remain in a stationary position 50% of the timeMust communicate with co-workers, management, and customers via email, phone, or virtual meetings, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

ManTech seeks a motivated, career- and customer-oriented Software Engineer to join our team in Hanover, MD. This position supports the development of software systems that disseminate critical data to customers across the Intelligence Community.Responsibilities include, but are not limited to:Design, develop, and maintain software solutions individually and within team environments.Debug software, resolve technical issues, and review code components.Analyze user requirements and integrate software into operational environments.Author and maintain technical documentation.Support testing and process improvement initiatives.Basic Qualifications:Bachelor’s degree with 4 years of experience, or 7 years of total relevant experience.Experience across the software development lifecycle (design, build, test, deploy).Ability to debug software issues and write technical documentation.Familiarity with API integration, Git version control, and Agile workflows.Strong problem-solving and communication skills.Preferred Qualifications:Experience with the following:JavaScript frameworks (React, VUE, Angular)Git, SQL, Node.js, PythonHTML/CSS, Apache Web ServerRESTful API developmentAtlassian tools (JIRA, Confluence)Security Clearance Requirements:Active TS/SCI with polygraphPhysical Requirements:Must be able to remain in a stationary position 50% of the time.Constantly operates a computer and other office productivity machinery.Frequently communicates with co-workers, management, and customers, including delivering presentations.

ManTech seeks a motivated, career and customer-oriented Software Test Engineer to join our team in Hanover, MD.This team provides software development support for an organization that is tasked with dissemination of data to various customers within the Intelligence Community.Responsibilities include, but are not limited to:Leading the development of Software Assurance Analysis methodologies, formulating, and validating testing scores, creating, and validating test cases that support Software Assurance (SwA) tool analysis.Provide technical expertise in the testing of client software and providing remediation recommendations with clients.Mentoring junior Software Assurance Evaluation Engineers providing advice, guidance, consultation and teaching state-of-the-art software assurance testing and analysis techniquesLead efforts in defining new methods and techniques for software assurance testing and analysis; and surveying industry to identify new source code SwA tools and methodologies.Tuning and running source code analysis tools, evaluating the strengths and weaknesses, and determining the suitability for a given software/customer while interpreting, prioritizing, and using source code SwA tools results to remediate potential vulnerabilities in software.Minimum Qualifications:5 + years in software analysis related experienceExperience with evaluating the strengths and weaknesses and determining the suitability of software in a given software/customer environment.Experience designing, implementing and testing source code SwA analysis processes.Programming experience in Java, C/C++, or C#.Experience developing & consulting on code for production systems using structured development environments.Preferred Qualifications:Experience with RUSTExperience with some or all the below technologies:KlockworkCodePeerFortran-LintCodeSonarSecurity FortifyIDA ProMATLABSecurity Clearance Requirements:Active TS/SCI w/ PolygraphPhysical Requirements:Must be able to remain in a stationary position 50%.Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations.

Mantech seeks a motivated, career and customer-oriented Cloud DevOps Engineer to join our team in Hanover, MD.In this role you will be working as a cloud Engineer utilizing cloud computing platforms and developing full stack web application interfacing with AWS services. The team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation.Responsibilities Included but are not limited to:Responsible for building new and improving existing CI/CD pipelines.Responsible for performing operations on end-user virtual machine provisioning/de-provisioning (VMWARE, and Amazon AWS platforms) supporting the automation of Active Directory security group manipulations.Will perform daily development using .Net framework with C#, Python, MSSQL and minor system administrative duties on Windows and Linux platforms.Responsible for creating collection object cleanup routine within an Angular/Node JS application to simulate a hierarchical cascade delete process for a dynamic MongoDB system.Minimum Qualifications:Bachelor’s degree in Computer Science or a related discipline from an accredited college or university12+ years of programming experience, including 1.5+ years with an object-oriented language. 5+ years functional experience with containerization technologies like Docker. 2+ years’ experience working within the Linux desktop environment and bash shell Experience with Ansible, Python, Angular and DjangoIAT II certification (DoD 8140 required within 60 days of starting employment. Acceptable certifications include CCNA-Security/CySA+/GICSP/GSEC/Security+ CE/CND/ or SSCP)Preferred Qualifications: Experience with open-source technologies and tools to accomplish specific use cases encountered within the project such as GitLab, AWS Web Services, and Visual Studio .Net framework with C#, Python, MSSQL and minor system administrative duties on Windows and Linux platformsKubernetes Application Developer or Administrator certification can be substituted for additional 2 years of experience Clearance Requirements:Must have a current/active TS/SCI w/ Polygraph.Physical Requirements:The candidate must be able to move, carry and deliver workstations from inside the office to customer’s desk.The person in this position must be able to remain in a stationary position 50% of the time.Must communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.

ManTech seeks a motivated, career and customer-orientedLead CNO Software Engineerto join our team in theHanover, Maryland.Responsibilities include, but are not limited to:Coding and development with Python, Java and Groovy.Performing data analytics on logs, images, and other formats.Working with Databases and General Troubleshooting (tuning and optimization, deadlocks, keys, normalization) in any Relational Database Engines (MySQL, PostgreSQL, Oracle, SQL Server).Using streaming technologies (e.g. Kafka), including customization of data flows.Log analysis and General Troubleshooting (tuning and optimization, Search and Indexing Operations, mapping, monitoring).Working with Elastic Stack (Elastic, Logstash, Beats, Kibana, Fluent etc.) and Opensearch APIs.Perform system and subsystem definition, preliminary and detailed design, design implementation, and subsystem and system integration and tests for a system.Research requirements for a product, including target environment, performance criteria, and competitive issues, design new capabilities and recommend improvements to existing capabilities.Determine computer user needs; analyze system capabilities to resolve problems on program intent, output requirements, input data acquisition, programming.Ensure software standards are met and perform quality control on team products, coordinate and perform software deployments for developed products.Mentor junior software developers.Minimum Qualifications:Bachelor’s degree and 20+ years of programming experience or High School Diploma and 24+ years of programming experienceExperience coding in Python and JavaExperience with build environments such as Gradle or MavenExperience with Object Oriented Analysis and DesignExperience with XML or JSONExperience with data ingest, data storage, and data processing techniques.Knowledge of agile software development methodologyPreferred Qualifications:Experience with Software Version ControlExperience with SQL and of NoSQL databasesExperience with MongoDBExperience with ElasticExperience with troubleshooting and maintaining complex code Experience with Subversion/GITExperience with Atlassian Tools such as Confluence, Jira, Bamboo, Crucible or similarExperience using VMWare, preferably ESXClearance Requirements:Must have active/current TS/SCI with PolygraphPhysical Requirements:Ability to remain stationary up to 50% of the time

ManTech seeks a motivated, career and customer-orientedCNO SoftwareEngineer to join our team in the Hanover, Maryland location. Provides specialized development, testing and evaluation capabilities tailored to system functions.Responsibilities include, but are not limited to:Develop and code in Python, Java and XML, ensuring software standards are metPerform system and subsystem definition, preliminary and detailed design, design implementation, and subsystem and system integration and tests for a systemResearch requirements for a product, including CNO deployment environment, performance criteria, and competitive issuesDesign for new capabilities or recommendations for improvements to existing capabilitiesDetermining computer user needs; analyzes system capabilities to resolve problems on program intent, output requirements, input data acquisition, programmingDebug and troubleshoot software, modify existing software to correct errors, to adapt to new requirements, or to improve performance and perform quality control on team productsCoordinating and performing software deployments for developed productsMinimum Qualifications:Bachelor’s degree in Computer Science or related field and 7+ years of programming experience or High School Diploma and 11+ years of programming experienceExperience developing and coding in Python and JavaExperience with build environments such as Gradle or MavenExperience with Object Oriented Analysis and DesignKnowledge of Software Version ControlKnowledge of CNO environmentKnowledge of Agile software development methodologyKnowledge of XML or XSLTPreferred Qualifications:Experience with SQL and NoSQL databasesSubversion/GIT experienceAtlassian Tools (Confluence, Jira, Bamboo, Crucible)Security Clearance Requirements:Must have an active/current TS/SCI with PolygraphPhysical Requirements:Must be able to remain in a stationary position 50% of the time

MANTECH seeks a motivated, career and customer-oriented Cybersecurity Analyst Days to join our team in Tysons, VA The Cybersecurity Analyst will monitor Air Gapped Security Fabrics through managed SECOPs Tools.Responsibilities include but are not limited to:Monitoring Operations Center IT an infrastructure for a 24x7 mission critical SECOPs function.Performing event analysis within SIEM, leveraging systems to develop response tickets within case management tooling.Troubleshoot and coordinate with TIER 2 Analysts for event escalation and follow defined security playbooks for environments.Drive enhanced Security Posture through detections & response compliance.A customer first attitude is a mustWork Shift: Tuesday-Saturday 7am to 3pm. Schedules are subject to change based on business needs.Minimum Qualifications:High School Diploma with 3+ years of experience in Security Operations, Cyber Security, and/or Systems Administration.Experience with SIEM, IDS, EDR, and Case Management Tools.Experience with supporting operating systems, networking, scripting and automation, and Security Application troubleshooting.An active 8140 Certification, Comptia Security +Preferred Qualifications:Bachelor's degree in Information Technology/Computer Science field or equivalent practical experience.Experience in working with SOC systems/networks and supporting Security Detections DevelopmentExperience with security alert tuning, in partnership with TIER 2 and TIER 3 (Engineering) TeamsExperience with creating scripts to automate common tasks.Experience in developing Threat Reports, translating IOCs and alerts into narrative overviews.Understanding of local and wide area networks (LAN/WAN) and mobile computing environments.Understanding of STIG and hardening practicesClearance Requirements:Must have a current/active TS/SCI with Polygraph clearancePhysical Requirements:Frequently moves Audio/Visual or Computer equipment weighing up to 50 pounds across and/or around a business campus or large facility.The person in this position needs to occasionally move about inside the office to access filing cabinets, office machinery, etc.Frequently communicates with co-workers, management, and customers, which may involve delivering presentationsConstantly positions self to maintain equipment, including under desks and in network closets.

MANTECH seeks a motivated, career and customer-oriented Cybersecurity Analyst - Nights to join our team in Tysons, VA The Cybersecurity Analyst will monitor Air Gapped Security Fabrics through managed SECOPs Tools.Responsibilities include but are not limited to:Monitoring Operations Center IT an infrastructure for a 24x7 mission critical SECOPs function.Performing event analysis within SIEM, leveraging systems to develop response tickets within case management tooling.Troubleshoot and coordinate with TIER 2 Analysts for event escalation and follow defined security playbooks for environments.Drive enhanced Security Posture through detections & response compliance.A customer first attitude is a mustWork Shift: Tuesday-Saturday 11pm-7am. Schedules are subject to change based on business needs.Minimum Qualifications:High School Diploma with 3+ years of experience in Security Operations, Cyber Security, and/or Systems Administration.Experience with SIEM, IDS, EDR, and Case Management Tools.Experience with supporting operating systems, networking, scripting and automation, and Security Application troubleshooting.An active 8140 Certification, such as Comptia Security +Preferred Qualifications:Bachelor's degree in Information Technology/Computer Science field or equivalent practical experience.Experience in working with SOC systems/networks and supporting Security Detections DevelopmentExperience with security alert tuning, in partnership with TIER 2 and TIER 3 (Engineering) TeamsExperience with creating scripts to automate common tasks.Experience in developing Threat Reports, translating IOCs and alerts into narrative overviews.Understanding of local and wide area networks (LAN/WAN) and mobile computing environments.Understanding of STIG and hardening practicesClearance Requirements:An active TS/SCI with Polygraph clearancePhysical Requirements:Frequently moves Audio/Visual or Computer equipment weighing up to 50 pounds across and/or around a business campus or large facility.The person in this position needs to occasionally move about inside the office to access filing cabinets, office machinery, etc.Frequently communicates with co-workers, management, and customers, which may involve delivering presentationsConstantly positions self to maintain equipment, including under desks and in network closets.

MANTECH seeks a motivated, career- and customer-oriented Python Software Engineer in Herndon, VA. In this role, you will be responsible for making cyber-relevant data accessible, usable, and secure for analysts and mission stakeholders. You will support efforts to build and maintain data pipelines that convert raw cybersecurity data into structured formats optimized for analysis and support the development, transformation, and availability of large-scale datasets.Responsibilities include, but are not limited to:Developing, testing, and maintaining high-quality production-level software using Python and bash scriptingAnalyzing datasets, generating data dictionaries, and defining field transformationsParticipating in code reviews, identifying areas for improvement, and implementing practical solutionsIngesting, querying, and reviewing data using Elasticsearch and KibanaCollaborating with cross-functional teams to diagnose, debug and resolve data parsing and production issuesCreating large-scale data pipelines with high throughputStaying up to date with emerging trends and technologies, especially those pertaining to Python developmentMinimum Qualifications:Bachelor's degree in Computer Science or a related field and 3+ years of programming experience or High School Diploma and 7+ years of experienceExperience using Python to build command line applications, maintain shared code libraries, and manipulate data formats like JSON, JSONLines, CSV, XML or similarExperience in Git and GitHub workflows, including branching, pull requests, code reviews, merges, and conflict resolutionExperience with Bash and working with compressed filesExperience ingesting data for Elasticsearch, Lucene, Solr, or similar search enginesAbility to perform software installation, configuration, shell scripting, and troubleshooting in LinuxAbility to interface programmatically with AWS services like S3 or EC2 using PythonClearance Requirements: Must have an active/Current TS/SCI with polygraphPhysical Requirements:Must be able to remain in a stationary position 50%

ManTech seeks a motivated, career and customer-oriented Cyber Network Defense Analyst in Herndon, VA.As a CND Analyst on our team, you will use your expertise in specialized network defense to provide innovative and creative solutions to challenging cyber security problems. You will utilize the latest cyber tools available and assist with creating new ones while allowing you to advance the nation's information security posture.Responsibilities include, but are not limited to:Provide malicious code detection, intrusion detection, and information security tool development and integration.Utilize forensic analysis to identify malware, misuse, and/or unauthorized activity.Investigate and report on virus and malware alerts or incidents to determine root cause, entry point of code and damage risk.Analyze all data sources, including Internet, Intelligence Community (IC) reporting, security events, firewall logs, and other data sources to identify malware, misuse, unauthorized activity or other cyber security related concerns.Track intelligence using open source and classified sources to identify malicious code threats and provide solutions to counteract that threat.Manage and administer the tuning of rules, signatures, and custom content for CND applications and systems and identify potential conflicts with implementation of any CND tools within the enterprise and develop recommendations to remediate these conflictsProvide logical use case development.Provide and track requirements to engineering partners.Identify gaps in visibility or coverage of cyber defense systems.Prepare data analytics and reporting.Minimum Qualifications:High School Diploma and 11+ years of experience in a cyber security or network security role, or Bachelor’s degree in a technical field with 7+ years of experienceExperience writing script in programming languages such as Python, JavaScript, Yara or SnortExperience using SIEM tools for case development and applicationExperience with network security applications, protocols, and associated hardwareExperience with one or more of the following classes of enterprise cyber defense technologies: SysMon, Network and Host based IDS and IPS, Network and host-based malware detection and prevention, Endpoint Detection & Response (EDR) and Network Detection & Response (NDR), Network and Host malware detection and prevention (EDR/NDR) tools, Web/Email gateway security technologies, Security Orchestration, Automation and Response (SOAR) or Cloud Based platforms such as Azure, AWS, or GooglePreferred Qualifications:Experience working with MITRE ATT&CKExperience with Splunk or Splunk Enterprise SecurityExperience with forensics tools and applicationsClearance Requirements: Must have an active/Current TS/SCI with polygraphPhysical Requirements:Must be able to remain in a stationary position 50%

Mantech seeks a highly technicaland mission focused Cyber Systems Engineer to join our team inHerndon, VA.This position can also be based in McLean, VA with weekly travel the Herndon, VA per customer requirements.This role is critical in enhancing our cyber defense capabilities through building and maintaining a cyber test range for the customer. Join an elite team of experts helping to defend critical national security assets.Responsibilities include, but are not limited to:Design, implement, and manage secure, scalable systems across Windows, Linux, and cloud environments.Manage system configurations, patches, and updates in Windows, Linux, or hybrid environments.Develop and maintain scripts and automation tools using Python or similar programming languagesOversee virtual infrastructure (VMware, Hyper-V or similar) and deploy systems in AWS or Azure.Implement and manage automation workflows using SOAR platforms. Develop automated incident response playbooks to streamline CSOC processes.Enhance the effectiveness ofEndpoint Detection and Response (EDR)solutions,Digital Forensicsplatforms, andSecurity Information and Event Management (SIEM)systems (Splunk, Elk or similar)Minimum Qualifications:High School Diploma and 11+ years of experience as a Cyber Engineer, Systems Engineer or similar role within a cybersecurity environment or Bachelor’s degree in a technical field and 7+ years of experienceExperience with Python, Javascript, Ruby, Perl or similar programming languages8+ years of experience with Operating Systems, Network Infrastructure, Security Principles, and System ArchitecturePreferred Qualifications:Relevant certifications such as CISSP, GIAC, CEH or similarExperience with automation and SOAR platformsStrong analytical, problem-solving, and communication skillsClearance Requirements:Must have a current/active TS/SCI w/Polygraph clearancePhysical Requirements:The person in this position must be able to remain in a stationary position 50% of the time.

Mantech seeks a ManTech seeks a motivated and mission-focused Software Tester to join our team in Herndon, VA.As a Software Tester on our team, you will play a key role in delivering automation and big data analytics solutions to the Intelligence Community. This role combines rigorous software testing with hands-on end-user support to ensure reliable, high-quality performance across critical applications.Responsibilities include, but are not limited to:Execute all aspects of software testing, including regression testingLearn the applications and develop test cases and result reporting to support software releasesTest application features and functionality for both expected and edge-case behaviorsEnhance testing capabilities and ensure robust and efficient quality assurance processesUnderstand the user experience by directly engaging with staff, customers, and end-usersTriage, troubleshoot, and respond to user support requests (approximately 20% of the time)Contribute as an active member of a fast-paced agile development teamMinimum Qualifications:High School Diploma and 5+ years of experience in software integration or software testing or Bachelor’s degree in a technical field and 1+ years of experienceExperience with testing and debugging COTS and/or GOTS softwareExperience adapting to new system interfacesPreferred Qualifications:Experience with Selenium or other testing automation toolsExperience testing in CentOS, RHEL, SE Linux, and Windows environmentsClearance Requirements:Active/current TS/SCI with Polygraph is required for this positionPhysical Requirements:Must be able to remain in a stationary position 50%

ManTech seeks a motivated, career and customer-oriented Python Software Developer join our team in Herndon, VA.Join an elite team of Software Developers, Data Engineers, and System Engineers who are developing and deploying unprecedented capabilities for the Intelligence Community. If you’re interested in directly changing the way new technology is used to protect our country, come join us! Responsibilities include but are not limited to:Develop, build, and optimize systems for data collection, storage, access, and analytics at enterprise scale; make data available, accessible, and secure to all stakeholdersDevelop robust and resilient data pipelines to connect data sources to analytics toolsAnalyze data sources for accuracy, data prioritization, and apply appropriate logic to developed solutionsWork with various team members to craft solutions to requirements and help refine the requirements for implementationEnumerate the necessary datasets and design the data model and schemas to support the requirementsProvide platform support, including problem solving and debugging, for production issuesFollow the deployment procedures and standard operating procedures utilized by the team, Coach junior team members through the Software Development Life Cycle processMinimum Qualifications:Bachelor’s degree in Computer Science or Information Technology and 7+ years’ experience in application development, software engineering or data engineering or High School Diploma and 11+ years of experience 2+ years of hands-on python development experience within the last 3 yearsExperience with ETL, data transformation and data pipelinesExperience taking data collection requirements and translating those requirements into implementable solutionsExperience in the full Software Development Life Cycle to include debugging, testing, and deployment to different environmentsPreferred Qualifications:Experience with Database Management, SQL and/or PostgreSQLExperience with LinuxClearance Requirement:Must have a current/active TS/SCI w/PolygraphPhysical Requirements:Must be able to remain in stationary position at least 50% of the time

ManTech seeks a motivated, career and customer-oriented Senior Oracle Database Administrator to join our team in Chantilly , VAThe Senior Oracle Database Administrator will work as part of the overall DBA team to determine, implement, and maintain the most efficient ways to ingest, organize and store petabytes of data from disparate system.Responsibilities include but are not limited to:Participating in leading the design, development, and administration of Oracle 19c databasesDesigning and developing database code for ETL of data from multiple sourcesConducting performance tuning and forecasting system scalabilityRecommending appropriate procedure, query, or package changes and optimizations to ensure and improve system performance and reliabilityInstalling and configuring database environmentsas well as performing database backups and restoresManaging, monitoring, and administering of Oracle database systemsParticipating in server and storage capacity management, planning and providing technical support in the evaluation of database systems and database designMinimum Qualifications:High School Diploma with 7+ years of experience in the Information Technology fieldExperience with Oracle 19c+ architecture and database design, and related Oracle technologies (Partitioning, Encryption, Pluggable Database, etc.) on Linux systemsExperience with Oracle Exadata and PL/SQL developerOracle Label Security (OLS) experience coupled with experience and knowledge in methodologies to improve database query performance.Experience in the optimization of database environmentsUnderstanding of high-availability solutions, architecture, backup methodologies and their implementation (RMAN, Data Guard)Experience managing and tuning very large databases (terabytes and petabytes) and with automating, scripting, and streamlining processes for efficiency and accuracy with strong documentation skills.Preferred Qualifications:Experience with PostgreSQL architecture, database design, administration, and related technologies.Knowledge of Oracle Cloud TechnologyOracle OCP or OCM certification(s)Linux experience as relevant to database O&MKnowledge of multiple data-storage technologiesAbility to work with multiple teams to enhance their code and improve performance.Clearance Requirements:An active TS/SCI with PolygraphPhysical Requirements:Use hands to operate a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.Constantly positions self to maintain computers in the lab, including under the desks and in the server closet