MANTECH seeks a motivated, career and customer-oriented Data Engineer to join our Data and AI Practice onsite in Chantilly and/or Herndon, VA. You will be a part of a dynamic, cross-functional team focused on transforming how Government clients extract insights from data to achieve critical mission objectives. You will be providing support in the analysis, design, implementation, and optimization of complex, enterprise-wide, cloud-based data management solutions that align with mission goals and requirements.Responsibilities include but are not limited to:Designing, deploying, and maintaining cloud-based databasesProviding support for database management tasksWork closely with cloud infrastructure teams to ensure seamless integration of cloud base databases with applications and servicesImplement robust security measures to protect sensitive data and ensure compliance with relevant data security policies and practices.Minimum Qualifications:Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field and at least 5 years of experience in data engineering, database administration, or related rolesExperience with data architecture, engineering, and data modelingExperience with managing structured and unstructured data, and knowledge of binary file types like Parquet, Hudi, Iceberg, Delta LakeExperience with Schema on readExperience integrating Oracle databases with big data platforms such as Hadoop, Spark, or cloud-based data lakesFamiliarity with Oracle SQL, MySQL, PostgreSQL, MongoDB, or Oracle Database Engineering.Preferred Qualifications:Master’s degree in Computer Science, Information Technology, Engineering, or a related field.Experience with PL/SQL and/or Exadata Exposure to cloud platforms such as Oracle Cloud Infrastructure (OCI), AWS, or Azure Experience with streaming data architectures such as Apache Kafka, Oracle Stream Analytics Experience with semantic layer/integrated data layer Knowledge of data security best practices and regulatory compliance Experience with DevOps and CI/CD pipelines in a data engineering context Oracle certifications such as Oracle Certified Professional or Oracle Big Data certification are a plusClearance Requirements:Must possess a current and active TS/SCI with polygraphPhysical Requirements:Must be able to be in a stationary position more than 50% of the timeMust be able to communicate, converse, and exchange information with peers and senior personnelConstantly operates a computer and other office productivity machinery, such as a computerThe person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situationsThe person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

ManTech seeks a motivated, career and customer-oriented LeadData Engineer to join our Data and AI Practice onsite in Chantilly and/or Herndon, VA. You will be a part of a dynamic, cross-functional team focused on transforming how Government clients extract insights from data to achieve critical mission objectives.This leadership role involves guiding a team and collaborating with others to implement this transformative process. You will be responsible for providing expert guidance and support in the analysis, design, implementation, and optimization of complex, enterprise-wide, cloud-based data migration solutions that align with mission goals and requirements.Responsibilities include but are not limited to:Lead the design, development, and deployment of robust data pipelines to ingest, transform, and integrate data from various systems and networks, ensuring seamless data flow.Collaborate with cloud and system architects to establish secure and efficient data transfer protocols among different networks and systems.Work with data consumers to develop data requirements to support analytics and machine learning tasks.Implement data pipelines and data storage solutions to support analytic workflows.Optimize data pipelines and storage solutions for performance, ensuring low latency and high throughput for real-time and batch data processing.Implement robust security measures to protect sensitive data and ensure compliance with relevant data security policies and practices.Minimum Qualifications:Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related field and at least 10 years of experience in data engineering, data architecture, or related rolesExperience with data replication and change data capture tools such as Oracle GoldenGateExperience with cloud services from providers such as Oracle and their data storage and database servicesDemonstrated ability to lead and manage a team of engineersDirect line management experience, including project, people, customer, and financial managementExperience with data warehousing, data lakes, and big data technologiesProficiency in programming languages such as Python, Java, or SQL. Experience with SQL and NoSQL databasesPreferred Qualifications:Master’s degree in Computer Science, Information Technology, Engineering, or a related field.Familiarity with data security and compliance frameworks (e.g., NIST framework).Cloud certifications such as AWS Certified Developer, Oracle Cloud Infrastructure.Familiarity with records management policies and procedure.Familiarity with big data technologies like Hadoop, Spark, and Kafka.Knowledge of data governance and metadata management.Clearance Requirements:Must possess a current and active TS/SCI with polygraphPhysical Requirements:Must be able to be in a stationary position more than 50% of the timeMust be able to communicate, converse, and exchange information with peers and senior personnelConstantly operates a computer and other office productivity machinery, such as a computerThe person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situationsThe person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

MANTECH seeks a motivated, career and customer-oriented Cloud Support Engineer to join our team in Tysons, VA. The Cloud Support Engineer will be part of a global team that provides 24x7 support to help customers seamlessly operate their hybrid on-premises Cloud infrastructure.In this role, you will troubleshoot technical problems for customers with a mix of debugging, networking, system administration, updating documentation, and when needed, coding/scripting.Responsibilities include but are not limited to:First contact for all Customer service requests - Answer phones, respond to chats and emails. A customer first attitude is a must.Maintain response and resolution speed as defined by SLOsKeep high customer satisfaction scores and follow quality standards in 90% of cases.Familiar with Product and can reference runbooks and playbooks to provide a meaningful resolution to CustomerProvide high-touch assistance to highest Tier customers, build in-depth understanding of most pressing customer issues and act as an advocate for such issues with engineers and Program Managers. Work Shift – this is for a evening shift 2pm-10pm position. Schedule to include but not limited to rotating weekends that may be required. Schedule subject to change based on business need.Minimum Qualifications:Associates degree in computer science or related field (2 years of relevant professional experience may be substituted for a degree) and 1+ year of relevant professional experience.In lieu of education/experience, each of the following certifications may substitute as follows:AWS Cloud Practitioner or Azure Fundamentals (AZ-900) can substitute 0.5 years’ experienceCompTIA Security+, ITIL Foundation, CompTIA Network+, or CompTIA A+ can substitute 1 year of experience.AWS Solutions Architect Associate, Azure Administrator, Google Cloud Engineer, Cisco CCNA, CompTIA Linux+ Professional, Azure Solutions Architect (AZ-305), Google Professional Cloud Architect, or Certified Information Systems Security Professional (CISSP) can substitute 2 years’ experienceBasic understanding of Networking and Cloud technologiesWorking knowledge of Systems: UNIX/Linux or WindowsWorking knowledge of any customer service ticketing systemAbility to read runbooks & playbooks & provide meaningful summaries to CustomersWorking knowledge of Google Workspace Tools (Doc, sheets and Slides)Preferred Qualifications:Great communication skills (written and verbal)Experience working with ServiceNowCCNA or equivalentClearance Requirements:An active TS/SCI with PolygraphPhysical 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.

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 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, career and customer-oriented Service Design and Engineering Director to join our team in Annapolis Junction, MD.Responsibilities include but are not limited to:Directs and leads a premiere organization of SMEs providing expert support to Field Service Operations charged with delivery of services in the customer’s extended enterprise within a strict SLA environment (Teams: Desktop Engineering, Networks, Cable, Unified Communications, Solution Architecture and Project Management)Collaborate with fellow Frame Leads to design, maintain and/or improve supported servicesWill oversee the production of Technical Insertion submission, SOWs and resource requirement documents for SME-level support as neededOversees selection and testing of hardware for new requirements and replacement of EOL hardware, and associated software as requiredParticipate in Opportunity for Improvement efforts to improve servicesConduct or direct interviews to maintain sufficient staffing levelsSupport refresh, Walkout, CSIR, engineering support/field testing, enterprise SLA support and other duties as assignedMay have the opportunity to travel as required to meet program objectivesMinimum Qualifications:Bachelor's Degree with 7+ years of technical leadership experienceAbility to convey very technical concepts to non-technical individuals in both verbal and written formatsPossesses an understanding of Information Assurance, desktop deployment, network and unified communication principles and conceptsPreferred Qualification: CompTIA Security+ CertificationCertified Scrum Master (CSM)IT ticket management system experience (ServiceNow).Experience with large scale enterprise IT contracts.Clearance Requirements:Must have a current/active TS/SCI with PolyPhysical 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, which may involve delivering presentations.

Mantech seeks a motivated, career-driven, and customer-focused Sr. UI Engineer to join our team in Annapolis Junction MD.This position will play a key part in building secure, scalable, and mission-enabling applications that support enterprise infrastructure capabilities for a global workforce. This role requires hands-on expertise in both front-end and back-end development, as well as knowledge of infrastructure and DevOps tools in a secure enterprise environment.Responsibilities include, but are not limited to:Act as a senior technical consultant delivering expert guidance on full-stack technologies and modern development practicesDesign and develop responsive user interfaces and rich browser applications using modern UI frameworks and design patternsPrototype, test, and iterate UI/UX solutions based on user research, journey mapping, and usability principlesBuild scalable backend services and APIs using Java and Spring BootSupport containerized deployments using Docker, and manage builds with MavenImplement and manage GitOps pipelines with Flux and Kustomize for Kubernetes-based environmentsIntegrate services using REST APIs and manage infrastructure using Helm, Kudectl, and RancherLeverage tools such as Git/GitLab, Jira, and Confluence for agile collaboration and trackingDevelop in Linux environments using scripting languages like Python and tools like IntelliJ IDEAMinimum Qualifications:Bachelor’s degree with 12+ years of relevant experience OR associate’s degree with 15 years of relevant experience OR high school diploma/GED with 20 years of relevant experienceExperience with Java, Spring Boot, and Maven for backend developmentExperience with React, TypeScript, Material UI (MUI), Cypress, Vitest, or Vite for UI developmentExperience with Docker, RESTful APIs, and GitOps workflowsExperience with maintaining and modernizing AWS platformsStrong scripting skills in Python and familiarity with Linux-based developmentIAT I certification (DoD 8140 required within 60 days of starting employment. Acceptable certifications include A+ CE/CCNA-Security/CND/Network+ CE /CySA+/GICSP/GSEC/Security+ CE/CND/SSCP)Preferred Qualifications:Experience with MongoDBExperience with Mattemost/HUSTLEExperience with Kubernetes, Helm, Rancher, Flux, and Kudectl in secure DevOps environmentsHands-on experience with JIRA, Confluence, IDEA IDE, and CI/CD pipeline tools such as Git/GitLabClearance 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 via email, phone, and virtual tools, which may include 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 Audio-Visual System Engineer (AVMM) to join our team in Annapolis Junction, MD. The AVMM SME is responsible for Kitting and deploying small, medium and large conference rooms, classrooms and small meeting areas with video/teleconferencing, other integrated pieces of AVMM hardware and data walls in support of the Government customer.Responsibilities include but are not limited to:With minimum to no supervision and guidance, evaluate, design, document, install, implement, test, and perform problem isolation and resolution, monitor, tune, and enforce standards for AVMM End User Devices and related networks.Maintain a complex range of AVMM and computer network components and systems.Support integration of a total AVMM network including the planning, design, installation, maintenance, management, and coordination of the AVMM network.Monitor, tune, and support basic existing AVMM devices (IPTV, Conference rooms of varying sizes and complexities) and network infrastructure to ensure stable, reliable, secure, and efficient AVMM operations.Support Identification, assessment, and development of detailed requirements for upgrading AVMM networks, such as supporting re-architecture of network segments in order to facilitate new requirements, technologies and growth.Analyze current products and recommends changes/upgrades to senior management.Assembles and updates documentation in the form of problem and change management tickets.Maintain timely and complete documentation of all daily and project work, using standard methods and procedures.Troubleshoot, and devise solutions to complex operational problems within the capacity and operational limitations of installed equipment.Follow technical standards set by senior level engineers.Communicate effectively with a wide variety of technical and non-technical audiences, including customers, team partners, and other staff members.May lead a small team to complete larger efforts (modernization, refresh, projects)Travel is required in support of service requirements ~20. This position also offers opportunities to support other bodies of work, at different locations, and to travel both CONUS and OCONUS (no hostile areas) for AVMM support.Minimum Qualifications:Bachelor’s degree and 4 years of relevant experience.Experience (basic knowledge) with Crestron programming, with the expectation of gaining greater competencyExperience with service management knowledge in key ITSM processes including incident management, problem management, change management, service level management and knowledge managementIATT Level 2 certification, such as Security+ CE is required, but will allow a Level 1 (Net+, A+, etc) to start but must attain Level 2 within 6 months of start date.Experience in a technical management role with an understanding of IT equipment and service life as well as planning and implementation of equipment replacementExperience with presentations with the ability to convey technical and business concepts to various audiences, ability to handle complex customer situations and interact with all levels of personnel to provide a quick and effective resolution.Experience with resource management with the ability to manage teams, personnel and customers’ needsExperience effectively managing and satisfying projects of a technical nature.Preferred Qualifications:Experience with customer ticketing systems such as ServiceNowExpert Crestron programming capability a major +Support to network devices (including servers) in support of AVMM/IPTV/Streaming servicesPMP Certification, and ITIL Foundations V3 certification desiredExperience with large scale enterprise IT contracts.Clearance Requirements:Must have a current/active TS/SCI w/ PolyPhysical Requirements:The person must be able to handle AVMM equipment to include up to 100” TVs with assistance. Occasionally move about inside the office to collaborate with other leaders/teams, use standard office automation equipment, and virtual communication, 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 Hanover, Maryland.As a CNO Software Engineer on our team, you will provide 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 met.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 CNO deployment environment, performance criteria, and competitive issues.Design ideas for new capabilities or recommendations for improvements to existing capabilities.Determine computer user needs; analyzes system capabilities to resolve problems on program intent, output requirements, input data acquisition, programming.Debug and troubleshoot software, modifying existing software to correct errors, to adapt to new requirements, or to improve performance.Perform quality control on team products.Coordinate and perform software deployments for developed products.Minimum Qualifications:Bachelor’s degree in computer science or related technical field and 7+ years of programming experience or High School Diploma and 11+ years of programming experienceExperience with Python and JavaExperience with build environments such as Gradle or MavenExperience with Object Oriented Analysis and DesignKnowledge Software Version ControlKnowledge of CNO environmentKnowledge of XML or XSLTPreferred Qualifications:Experience with SQL and NoSQL databasesExperience with Subversion/GITKnowledge of agile software development methodologyKnowledge of Atlassian Tools, such as Confluence, Jira, Bamboo, Crucible or similarSecurity 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 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 is seeking a motivated, career and customer-oriented Information Systems Security Engineer to join our team in Linthicum, MD. The position is part of a team that provides security engineering in the Linthicum location and will provide implementation and/or integration of secure networking, computing and enclave environments.Responsibilities Included but are not limited to:Responsible for providing expertise in complying with Systems Security Certification & Accreditation (C&A) processes, to include discovery meetings, achieving Interim Approval to Test (IATT) and in obtaining final Approval to Operate (ATO) status for Systems Security Plans (SSP) associated with all mission systems to gain successful accreditation as well as manage all security relevant changes to the mission systems, assuring SSP documentation is up-to-date and ATO status is maintained.Perform/review technical security assessments of computing environments for non- complianceValidate and verify system security requirements definitions and analysis and establishes system security designsAssist architects and systems developers in the identification and implementation of appropriate information security functionalitySupport the building of security architectures and enforce the design and implementation of trusted relations among external systems and architecturesAssess and mitigate system security threats/risks throughout the program life cycleContribute to security planning, assessment, risk analysis, risk management, certification and awareness activities for system and networking operationsReview certification and accreditation documentation and provide feedback on completeness and compliance of its content.Minimum Qualifications:Bachelor's degree in Computer Science, Information Assurance, Information Security System Engineering, or related discipline from an accredited college or university7 years experience as an Information Systems Security Engineer on programs and contracts of similar scope, type, and complexity.In lieu of a degree four (4) years of additional Information Systems Security Engineer experience may be substituted for a bachelor's degree.IASAE Level 2 Certificate required.Clearance Requirements:Must have a current/active TS/SCI w/ Polygraph.Physical Requirements: 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 is seeking a motivated, career and customer-oriented Software Engineer to join our team in the Springfield, VA area.Responsibilities include, but are not limited to:Provide expert guidance on Enterprise Asset Management; Identify, recommend, and implement agreed upon leading industry practices, process methodologies, new technologies, and streamlined approaches that afford the client the ability to improve system performance.Provide support to maintain IBM's Maximo to ensure that all Maximo Users have a stable platform to perform daily operations; support reporting capabilities and requirements that streamline and reduce where possible, the manual input of existing data.Provide technical and business-level assistance, incident resolution, and daily support to the Maximo user community; maintain and enhance the functionality, reliability, availability, performance, stability, sustainability, and security of the Maximo application and its databases and tools.Implement best practices, create and improve existing Maximo workflows to manage work management, logistics, and property management processes; oversee the validation and testing of deliverable products in accordance with our customer's approved processes.Provide installations, customizations and design changes for software and hardware products; provide support to a wide array of customers as part of a complex team of multiple contractors and government personnel.Write SQL scripts to support various aspects of customer support and Maximo Development requirements; develop and manage queries, ad hoc reports, and KPI’s.Manage and observe data quality and health throughout front-end database; ability to handle pressure and manage multiple tasks in a fast-paced environment.Minimum Qualifications:Bachelor's degree in Computer Science, Information Technology and 9 years of relevant experience.Experience with JavaScript, Linux/Unix, Perl, Shell, Java, Ruby, PHP, Python, Hands-On SQL, Microsoft ASP.NET MVC, Web API, Node.js.DoD 8570.01-M compliant, IAT II. (CCNA Security, CySA+, GICSP, GSEC, Security+, or SSCP)Troubleshoot and resolve issues related to OpenShift, Kubernetes, and Linux environments.Red Hat Certified Specialist in OpenShift Administration or similar certification.Requires understanding of the RedHat OpenShift cluster to include basic operations of backup, restore and failover/redundancy of services.Preferred Qualifications:4+ years of Maximo Development experience.Maximo versions: at least Maximo 7.6. Able to work on upgrades and development on 7.6.1.2.Maximo modules: must be able to work on all Maximo modules and functionalities, including Work Order Management, Asset Management, Preventive and Corrective Maintenance, Configuration, Scripting, Report Development, Maximo Interfaces with other systems like ERP.Development and maintenance experience with Maximo including TRM rules, Maximo automation scripting, BIRT Reports Development, and work order reports.Provide service for GIS geodatabase editing, data creation and maintenance for applications and as needed.Experience of ArcGIS Server management tools to deploy and manage map and web servicesClearance Requirements:Must have current/active TS/SCI clearance.Physical Requirements:Must be able to remain in a stationary position 50%The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.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. Must be able to exchange accurate information in these situations.

MANTECH seeks a motivated, career and customer-oriented Systems Engineer to join our team in Belcamp, MD. This is an onsite position.Responsibilities include but are not limited to:Focus on delivering high-quality DoD 5000.02 artifacts and documentation that support critical US Government programs.Apply comprehensive systems engineering principles across all phases of the systems lifecycle, ensuring successful project outcomes.Engage effectively with Government stakeholders, providing expert technical guidance on systems engineering matters and resolving issues proactively.Communicate clearly and concisely with project personnel, Government representatives, and senior executives.Maintain the technical integrity and quality of all work and deliverables in alignment with ISO/IEC15288 process areas, driving operational excellence.Develop and contribute to key systems engineering documentation, including System Engineering Plans, requirements specifications, and interface control documents, ensuring accurate project execution.Provide leadership and mentorship to subordinate project and ManTech team members, fostering a collaborative and high-performing team environment.Minimum Qualifications:Bachelor's degree in STEM field or Highschool and 13 years of experience; Associates and 11 years of experience in lieu of degree, a candidate holding a relevant master’s degree may be granted 2 years’ experience credit for that extra education, a candidate holding a relevant PhD degree may be granted 4 years’ experience credit for that extra education5 years of relevant work experience in systems engineering or a related field.DoD 8570.01-m IAT Level II certification.Proven experience with DoD 5000.02 documentation requirements.Experience with use case development, requirements derivation, and management.Demonstrated ability to develop high-quality technical project artifacts.Familiarity with Agile software development processes and methodologies.Experience with software engineering processes and best practices.Preferred Qualifications:Bachelor's degree in Systems Engineering.Professional Certifications: Certified Systems Engineering Professional (CSEP), Expert Systems Engineering Professional (ESEP), or DAWIA Systems Engineering Level III.Clearance Requirements:Top Secret Clearance with SCI eligibility.Must be a US Citizen and able to obtain and maintain a Top Secret Clearance with SCI eligibility.Physical 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.Ability to travel to various physical customer locations within APG as needed.

MANTECH seeks a motivated, career and customer-oriented Systems Engineer III to join our team in Annapolis Junction, Maryland.ManTech is currently seeking Systems Engineer III to join our team at Annapolis Junction, MD. We are seeking a Senior Systems Engineer who is a seasoned IT professional responsible for designing, implementing, and a top-level trouble shooter supporting a high-level architecture of an organization's backend infrastructure. You will communicate with other project personnel, Government stakeholders, and senior executives.Responsibilities include but are not limited to:Administer and maintain IT infrastructure by utilizing expert-level knowledge of the Linux operating system, along with deep expertise in server administration, virtualization, and cloud platforms like AWS or Azure, to manage the organization's backend systems.Develop and implement automation solutions through creating scalable automation services using strong scripting and orchestration skills, with proficiency in tools like Python, Bash, and Ansible.Design and manage system architecture by applying systems engineering principles to design, implement, and manage the high-level architecture of the organization's backend infrastructure.Ensure network and system security through a strong understanding of networking and security fundamentals, including TCP/IP, firewalls, and VPNs, to protect the organization's infrastructure.Communicate with stakeholders - Interact directly with government personnel, senior executives, and other project members to discuss technical issues and project status.Provide technical guidance and troubleshooting as a top-level troubleshooter, addressing technical considerations, problems, and issues for both internal teams and government stakeholders.Minimum Qualifications:Bachelor's degree in STEM field or Highschool and 13 years of experience; Associates and 11 years of experience in lieu of degree, a candidate holding a relevant master’s degree may be granted 2 years’ experience credit for that extra education, a candidate holding a relevant PhD degree may be granted 4 years’ experience credit for that extra education.5 years of position-relevant work experience.DoD 8570.01-m IAT Level II.Strong proficiency in scripting and automation, with hands-on experience in Python, Bash, and an infrastructure orchestration tool like Ansible.Experience in front-end web development to create internal tools and solutions.Proven background as an Orchestration Engineer or in a similar role focused on building scalable automation services.Solid grasp of TCP/IP networking, firewalls, VLANs, and VPNs.Expert-level knowledge of the Linux operating system.Preferred Qualifications: Experience with full-stack development, including creating and interacting with databases and APIs.Knowledge of Infrastructure as Code (IaC) principles, preferably with experience using Terraform.Familiarity with public cloud platforms (AWS, Azure, GCP) and container technologies (Docker, Kubernetes).Proficiency with virtualization platforms such as VMware vSphere or Microsoft Hyper-V.Exceptional troubleshooting and problem-solving skills, with a talent for systematically diagnosing and resolving complex technical issues.A foundational understanding of traditional Systems Administration principlesClearance Requirements:TS/SCIPhysical Requirements:The person in this position must have the ability to perform tasks while stationary 50% of the time at a computer, with specific emphasis on visual acuity for close-range work. 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 Model Based Systems Engineer (MBSE) to join our team in Stafford, VA.This is a full-time onsite position where you will provide subject matter expertise to perform MBSE activities using Cameo Systems Modeler in support of a critical Department of Defense (DoD) mission. The ideal candidate will bring significant expertise in systems modeling, operational architecture, and mission thread development in alignment with DoDAF and UAF frameworks.This role is pivotal in supporting mission engineering analysis, capability gap assessment, and architecture development within a highly dynamic and collaborative environment to enable and enhance our Nation's fighting forces.Responsibilities include but are not limited to:Support the development and maintenance of system models for DoD mission engineering projects using Cameo Systems Modeler.Design and update mission threads, operational views, and system architecture models in line with DoDAF/UAF standards.Integrate both existing and new capabilities into mission-level architectural models.Work with stakeholders to find capability gaps, define decision points, and assist with data-driven risk and performance assessments.Collaborate with various teams, including systems engineers and analysts, to ensure traceability between requirements and operational objectives.Contribute to a collaborative modeling environment, such as a Government-managed Teamwork Cloud.Prepare and deliver technical briefings and model walkthroughs to Government stakeholders and advise others on MBSE processes and best practices.Minimum Qualifications:Bachelor’s degree in Systems Engineering, Computer Science, or related technical field and 5+ years of related experience or High School Diploma and 9+ years of related experience, 3+ years of which should be in systems modeling using Cameo Systems Modeler (MagicDraw).Demonstrated knowledge of DoDAF, UAF, SysML, and model organization best practices.Hands-on experience with Teamwork Cloud and other simulation/analysis tool integrations.Strong understanding of systems engineering principles, including requirements management, system architecture, and verification and validation.Strong understanding of mission engineering, kill chains/kill webs, and joint all-domain operations concepts like CJADC2.Excellent communication skills with a proven ability to deliver briefings to senior leadership and work effectively with technical and operational teams.Preferred Qualifications:A Master's degree in Computer Science, Software Engineering, or a related field.Experience with international standards like ISO and IEEE.Experience working with a DoD Combatant Command or supporting Navy, Marine Corps, or Joint Staff missions.Familiarity with MBSE for advanced prototyping and digital engineering efforts, along with knowledge of government modeling environments like the Navy Integrated Modeling Environment (NIME).Relevant certifications, including OCSMP, INCOSE CSEP/ESEP, or DoDAF/UAF certifications.Clearance Requirements:This position requires an ACTIVE DoD TS/ SCI Security Clearance.Physical Requirements:Must be able to be in a stationary position more than 50% of the time.Must be able to communicate, converse, and exchange information with peers and senior personnel.Constantly operates a computer and other office productivity machinery, such as a computer.The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.