ManTech seeks a motivated, career and customer-oriented Lead Data Scientist to join our Data and AI Practice onsite in Chantilly and/or Herndon, VA. You will be a key member 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 science and analytics solutions that align with mission goals and requirements.Responsibilities include but are not limited to:Lead the design, development, and deployment of cloud-based analytics and data science solutions.Develop models and solutions applied to problem sets in a broad range of data science and data analytics areas, including but not limited to, graph analytics, anomaly detection, geo-spatial analysis, and data visualization.Perform knowledge elicitation from client of business problem details and incorporate that knowledge into algorithms, models, analytics and approaches in client solutions.Contribute data science expertise to solution development through whiteboarding sessions with clients, partners, and coworkers.Address data science technical challenges in the development of solutions, including algorithms, models, data manipulation, or other technical challenges related to data science and data analytics.Collaborate with clients to understand their business needs and translate them into technical requirements.Ensure the quality and performance of analytics solutions through rigorous testing and validation. Adhere to security and compliance standards, ensuring the protection of sensitive government data.Minimum Qualifications:Bachelor’s degree in Computer Science, Engineering, or Mathematics, Applied Mathematics, Statistics, Applied Statistics, Machine Learning, Data Science, or related field and 10 years of experience OR a Master's degree and 8 years of experience.Proven experience in Oracle Analytics Cloud or similar analytics platforms.Demonstrated ability to lead and manage a team of engineers.Management experience, including project, people, customer, and financial management.Understanding of security and compliance standards related to handling sensitive Government data.Preferred Qualifications:Master’s degree in Computer Science, Engineering, or Mathematics, Applied Mathematics, Statistics, Applied Statistics, Machine Learning, Data Science, or a related field.Advanced certifications in Oracle Analytics Cloud or related technologies.Experience in developing and implementing machine learning models.Strong communication and interpersonal skills to effectively collaborate with clients and team members.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 Engineer to join our team onsite in Herndon, VA or Reston, VA to support the development and subsequent sustainment of our Cloud environments and Modern Data Platform.You will be part of a greater team to manage, maintain, and optimize our Cloud infrastructure in support of a high-priority mission at one of our National Intelligence Customers. In this role, you will focus on reliability, performance, and security as part of the day-to-day execution of tasks.Responsibilities include but are not limited to:Design & Deploy: Architect and deploy scalable and secure solutions onOracle Cloud Infrastructure (OCI)Automation & Optimization: ImplementInfrastructure as Codeusing Terraform or Ansible to automate Cloud provisioningNetworking & Security: ConfigureVCNs, subnets, load balancers, and security listsfor cloud applicationsMonitoring & Performance Tuning: Use monitoring tools to optimize Cloud resources and troubleshoot performance bottlenecksDisaster Recovery & High Availability: Designbackup, replication, and failoverstrategies for critical workloadsCloud Cost Optimization: Monitor resource utilization and implementcost-saving strategiesto optimize OCI spendingCompliance & Security: Ensure compliance with industry security standards (NIST 800-53) and implement best practices forIAM policies and access controlsMinimum Qualifications:1+ yearsof hands-on experience with a Cloud Service Provider (CSP) orOracle Cloud Infrastructure (OCI)Bachelor’s degree in a relevant field OR additional equivalent work experienceExperience with infrastructure as code (e.g. Terraform, chef, puppet, Ansible) and with Agile methodologyExperience with configuration management with code repositories, such as Github, and in administration within DevOps and CI/CD pipelinesExperience managing resources, tenancy limits, and quotasExperience with Cloud networking and troubleshooting performance technical issues across Cloud architectureFamiliar with data security protocols and monitoring tools such as CloudWatch and SplunkPreferred Qualifications:RedHat Linux Administration certificationOracle Cloud Certifications(e.g., Oracle Cloud Infrastructure Architect Associate/Professional)Experience with other Cloud environments (AWS, Azure, GCP, OCI) and hybrid Cloud solutionsClearance Requirements:Must have active TS/SCI with PolygraphPhysical Requirements:Must be able to remain in a stationary position 50% of the timeNeeds to occasionally move about inside the office to access file cabinets, officemachinery, etc.Frequently communicates with co-workers, management, and customers, which mayinvolve delivering presentations. Must be able to exchange accurate information inthese situations

MANTECH seeks a motivated, career and customer-oriented Cyber Security Analyst to join our team onsite in Herndon, VA or Reston, VA in support of a high-priority mission at one of our National Intelligence Customers.Responsibilities include but are not limited to:Responsible for supporting the acceptance of an Authorization to Operate (ATO) for the new Modern Data Platform (MDP) transformationSupport the documenting and navigating the customer’s accreditation process for ATOWork closely with Security Engineers to ensure security solutions are meeting customer accreditation requirements and following security controlsWill use RMF (Risk Management Framework) NIST 800-53, NISPOM, and ICDs for cybersecurity and information security protocols to drive tasking and ensure complianceISSE/ISSO tasking in support of documenting and navigating the customer’s accreditation process for ATOMinimum Qualifications:Bachelor’s degree in a related field OR additional equivalent work experience5+ years of experience relevant to this positionExperience with Software Development Lifecycle, application security, Cloud principles and engineeringExpert in System Accreditation process and protocols within the Intelligence CommunityExperience with NIST 800-53 and implementing Risk Management FrameworkUnderstanding of vulnerability assessment tools like Rapid7 or NessusKnowledge of User Access Monitoring and Identity Access ManagementExperience creating and reviewing system design documents and workflowsPreferred Qualifications:Experience with Terraform, SIEM and AI/ML GovernanceKnowledge of cross-domain solutions, Zero Trust, and/or IDP (Identity Provider) integration skillsDoD 8570-compliant certification (e.g., Security+, CYSA+, CEH, or CISSP)Experience with security tools such as Splunk, CrowdStrike, or WiresharkFamiliarity with SCAP tools, STIGs, or automated compliance reportingKnowledge of incident response and digital forensics processesClearance Requirements:Must have active TS/SCI with PolygraphPhysical Requirements:Must be able to remain in a stationary position 50% of the timeNeeds 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 CyberSecurity Engineer to join our team onsite in Herndon, VA or Reston, VA to design, implement, and maintain secure environments that align with compliance standards in support of a high-priority mission at one of our National Intelligence Customers.Responsibilities include but are not limited to:Responsible for supporting the acceptance of an Authorization to Operate (ATO) for the new Modern Data Platform (MDP) transformationSupport ISSE/ISSO tasking, including the documentation and navigation of the customer’s accreditation process for ATOWork closely with Security Engineers to ensure security solutions are meeting customer accreditation requirements and following security controlsUse RMF (Risk Management Framework) NIST 800-53, NISPOM, and ICD for cybersecurity and information security protocols to drive tasking and ensure complianceMinimum Qualifications:Bachelor’s degree in a related field OR additional equivalent work experience8+ years of experience relevant to this position, including 4+ years of consulting experienceTeam lead or management experienceExpert in System Accreditation process and protocols within the Intelligence CommunityExperience with software development lifecycle, application security, Cloud principals and engineeringExperience with NIST 800-53 and implementing Risk Management FrameworkUnderstanding of vulnerability assessment tools like Rapid7 or NessusKnowledge of user access monitoring, identity access management and controls. Experience in creating and reviewing system design documents and workflowsPreferred Qualifications:Master’s degree in a technical fieldExperience with Terraform, SIEM and AI/ML GovernanceKnowledge of cross-domain solutions, Zero Trust, and/or IDP (Identity Provider) integration skillsHands-on experience with security tools such as Splunk or CrowdStrikeScripting or automation experience (Python, Bash, PowerShell) to support security operationsClearance Requirements:Must have active TS/SCI with PolygraphPhysical Requirements:Must be able to remain in a stationary position 50% of the timeNeeds 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 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 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 Enterprise Architect to join our team in McLean, VA.Responsibilities include but are not limited to:Oversee and manage the customer’s business, Information Technology (IT), application, and data architecturePlan, develop, and execute the customer’s Enterprise Architecture (EA) solution strategy, consistent with security guidelines and EA industry standardsProvide technical analysis and advice on application and operational environments, functional systems analysis, design, integration, documentation, and implementationFacilitate and participate in business and IT alignment through stakeholder collaboration, driving digital business strategiesAnalyze business and operating models, market trends and the technology industry to determine their potential impact on the customer’s enterprises business strategy, direction, and architectureValidate IT infrastructure and other reference architectures for adherence to security guidelines and procedures and recommend changes to enhance security and reduce risksBasic Qualifications:Bachelor’s Degree in a technical field (Science, Technology, Engineering, and Mathematics (STEM))7+ years serving as an Architect Lead or similar work leading platform-based technology strategy or solution deliveryExperience with delivery frameworks, such as Agile, DevSecOps, and integrated Human-Centered DesignExperience in end-to-end solution development lifecycle and agile methodologiesExpertise in cloud services supporting identity management, microservice and event-driven architectures and modern data architecturesPreferred Qualifications:Advanced degrees and certifications are desired (e.g., TOGAF, Open CA, Zachman Certified Architecture)Understanding of the Government program management and acquisition framework and System Engineering Life Cycle (SELC) highly preferred.Delivery experience in enterprise-scale software and data platforms for Government agenciesClearance Requirements:TS/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 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 and career-oriented WindowsSystems 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 able to create accounts, reset passwords, and provide help desk customer service via phone, tickets or in personMust 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 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 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 Windows operating systemsFamiliarity with ScanboyFamiliarity with JIRA ticketing systemFamiliarity using LatteARTFamiliarity with Enclave environmentsClearance 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 motivated and career-oriented LinuxSystems 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 Linux 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 able to create accounts, reset passwords, and provide help desk customer service via phone, tickets or in personMust 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 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 configuring, maintaining and modernizing a Linux OS environmentExperience with patching Linux 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, RHEL and Windows operating systemsFamiliarity with ScanboyFamiliarity with JIRA ticketing systemFamiliarity using LatteARTFamiliarity with Enclave environmentsClearance 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.