NewLead, Information Security Systems Engineering L3Harris TechnologiesLead, Information Security Systems EngineeringChantilly, VA$127,500–$236,500 / yearAssist in systems/software engineering functions, to include creation of data flow diagrams, interface control documents, perform trade studies, and Static Application Security Testing (SAST) for Application Security and Development Secure Technical Implementation Guide (STIG) compliance using tools such as Fortify/Coverity and Gitlab as part of a DevSecOps Continuous Integration/Continuous Deployment (CI/CD) Pipeline, and generation of summary reports. Perform skills in implementing/assessing security controls, to include writing system security categorization memorandum, recommending appropriate security control overlays, define security control baseline based on defined system security categorization and approved security overlays, and apply security controls to computing/network nodes and verify implementation of security controls.
NewSenior Specialist, Information Security Systems Engineering L3Harris TechnologiesSenior Specialist, Information Security Systems EngineeringChantilly, VA$106,500–$197,500 / yearAssist in systems/software engineering functions, to include creation of data flow diagrams, interface control documents, perform trade studies, and Static Application Security Testing (SAST) for Application Security and Development Secure Technical Implementation Guide (STIG) compliance using tools such as Fortify/Coverity and Gitlab as part of a DevSecOps Continuous Integration/Continuous Deployment (CI/CD) Pipeline, and generation of summary reports. Perform skills in implementing/assessing security controls, to include writing system security categorization memorandum, recommending appropriate security control overlays, define security control baseline based on defined system security categorization and approved security overlays, and apply security controls to computing/network nodes and verify implementation of security controls.
Information Systems Security Officer (ISSO) CredenceInformation Systems Security Officer (ISSO)Arlington, VA$120,000–$170,000The ISSO support will include developing and maintaining an IT System Security Compliance Schedule covering 12-month intervals that capture POA&M Action Items, required ITSS reports/updates, Change Control Board Meetings, Scheduled Vulnerability Scans, and Updates to System IT Security Documentation. Experience working within DOJ Offices, Boards, and Divisions (OBDs), with an understanding of unique organizational security policies and security controls implementations within specific IT environments is desired.
Information Systems Security Officer System OneInformation Systems Security OfficerClarksburg, MD$150,000 / yearIn this role, you’ll help ensure information systems stay compliant throughout the Risk Management Framework (RMF) lifecycle—supporting ATO packages, continuous monitoring, assessments, and audit readiness . System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
Information Systems Security Engineer System OneInformation Systems Security EngineerClarksburg, MD$180,000 / yearYou’ll be hands-on with the Risk Management Framework (RMF), Assessment & Authorization (A&A), ATO sustainment, control validation, continuous monitoring, and vulnerability/stig compliance efforts—partnering closely with security and technical teams. In this role, you’ll help build, secure, and maintain systems by applying cybersecurity engineering best practices across design, implementation, authorization, and ongoing compliance.
Systems Engineer/Administrator Kaiva CorpSystems Engineer/AdministratorArlington, VAFull timeManage and maintain Microsoft 365 services such as Microsoft Intune, Entra admin center with Entra Connect for cloud synchronization, Exchange admin center for mail and mailbox administration, Microsoft Defender, and Microsoft Purview. As a Systems Engineer/Administrator, you will be responsible for ensuring the secure and efficient operation of servers and systems in a variety of environments, including on-premises and cloud-based Microsoft products within our Federal Government Customer's environment.
NewSoftware Systems Integration Engineer - RHEL/Windows - Secret Clearance Required JobotSoftware Systems Integration Engineer - RHEL/Windows - Secret Clearance RequiredManassas, VA$90,000–$115,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Integrating and testing software deliveries, verifying bug fixes, and performing regression testing across multiple hardware and operating system configurations.
NewInformation System Security Officer PlanIT GroupInformation System Security OfficerReston, VAConducts assessments of threats and vulnerabilities, determines deviations from acceptable configurations or enterprise or local policy, assesses the level of risk, and develops and/or recommends appropriate mitigation countermeasures in operational and non-operational situations. Task description and/or any specific requirements: • Ability to manage responsibility for security assessments of a variety of applications or domains, to include cloud computing, and to manage several project/initiatives of large size, complexity, and risk.
Budget Systems & Automation Analyst Kaiva CorpBudget Systems & Automation AnalystNorth Bethesda, MDFull timeBy combining budget execution expertise with advanced technical capabilities, the incumbent enhances operational efficiency, reduces manual workload, strengthens data integrity, and improves reporting accuracy across the Office of Budget. The incumbent supports budget execution operations by developing automated solutions, enhancing financial systems workflows, maintaining reporting tools, and administering collaboration platforms.
Technical Security Specialist U.S. Department of StateTechnical Security SpecialistMclean, VA$143,913–$187,093Full timeIn this position you will serve as a Technical Security Specialist for the Next Generation Unmanned Systems (NEXUS) and Counter-Unmanned System (C-UAS) Programs , managing operations and ensuring compliance with Federal Aviation Administration (FAA), International Civil Aviation Organization (ICAO) and host-nation laws. Open and Close Dates: Jun 29, 2026 - Jul 14, 2026 Marketing Statement: Summary: This position is located in the Bureau of Diplomatic Security, Countermeasures Directorate, Office of Security Technology, Security Systems Integration Division (DS/ST/SSI).
NewSpecialist, Systems Engineering (Mission Protection) (TS/SCI w Poly) L3Harris TechnologiesSpecialist, Systems Engineering (Mission Protection) (TS/SCI w Poly)Springfield, VA$92,500–$171,500 / yearWith customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. The ideal candidate will apply operational security (OPSEC), counterintelligence, cyber defense, and threat principles to protect sensitive capabilities to ensure the survivability of U.S. assets in contested environments.
NewSpecialist, EO/IR Systems Engineer (Top Secret Clearance) L3Harris TechnologiesSpecialist, EO/IR Systems Engineer (Top Secret Clearance)Herndon, VA$92,500–$171,500 / yearWith customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. The candidate will need to work independently to resolve a wide range of engineering problems, requiring collaboration with all required disciplines (mechanical, optical, electrical, software, etc.).
NewSenior Specialist, Systems Engineering - Space Intelligence Analyst L3Harris TechnologiesSenior Specialist, Systems Engineering - Space Intelligence AnalystSpringfield, VA$106,500–$197,500 / yearSupport intelligence collection and analysis requests through systems such as the Space Collection Working Group, SOCC Sensor Collection Request, National MASINT Requirements System (NMRS), COLISEUM, or other validated request mechanisms. • Generate and deliver a daily intelligence and Operations Summary briefing that includes situational updates, national security priorities, counterspace activity, foreign launch analysis, adversary weapons characterization, and geospatial intelligence insights.
NewRed Hat Enterprise Linux (RHEL) Systems Administrator System OneRed Hat Enterprise Linux (RHEL) Systems AdministratorWashington, DC$52.96 / hourUsing Red Hat Satellite for large-scale system management, including: configuring and managing software repositories, content views, and life cycle environments. Improve system administration workflows by automating routine administrative tasks, reducing manual interventions, and increasing operational efficiency.
NewSenior Specialist, Systems Engineering - Joint Exercise Planner L3Harris TechnologiesSenior Specialist, Systems Engineering - Joint Exercise PlannerSpringfield, VA$106,500–$197,500 / yearL3Harris Technologies has an opening for a Joint Exercise Planner that will support the National Reconnaissance Office (NRO) by developing and executing exercises that validate operational readiness, refine tactics, techniques, and procedures (TTPs), and integrate space and ground equities into joint, interagency, and coalition space events. The planner will work closely with space mission partners, the National Space Defense Center (NSDC), and various Combatant Commands to design realistic scenarios that stress capabilities and improve the resilience of national space systems.
NewSenior Specialist, Systems Engineer - User Acceptance Tester L3Harris TechnologiesSenior Specialist, Systems Engineer - User Acceptance TesterSpringfield, VA$106,500–$197,500 / yearThe successful candidate will support a high performing team of Government and Contractor professionals by testing software releases to ensure they function correctly, documenting failed test cases, and documenting any changes or updates needed to existing procedures. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.
NewSystems Architect Govcio LLCSystems ArchitectFort Meade, MD$161,900–$199,260The architect ensures cybersecurity, data governance, and user interaction requirements are embedded from the outset, enabling rapid IOC execution while positioning the capability for efficient authorization, scaling, and operationalization in the subsequent option year. Responsibilities: The System Architect designs the end-to-end technical architecture for an autonomous pentesting and data collection capability supporting rapid cyber terrain assessment and AI training objectives.
NewInformation System Security Manager (ISSM) LeidosInformation System Security Manager (ISSM)Lorton, VA$107,900–$195,050Facilitate approval process for Authorization to Operate (ATO), Authority to Extend (ATE), Authorization to Connect (ATC), and Interconnection Security Agreements (ISA), working with the customer and stakeholders to submit body of evidence artifacts and receive SCA/AO endorsement. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com .
NewSecurity Technician Securitas TechnologySecurity TechnicianLorton, VA$30–$40Securitas Technology Corporation (STC) Technology and Solutions groups are experiencing tremendous success, and we currently have an Embedded Technician opening for team-oriented individuals possessing vocational training in electronics or electromechanical engineering. Performs scheduled, routing preventive maintenance on a variety of equipment/systems under contract agreement by inspecting, adjusting, cleaning, and calibrating systems and checking out equipment to ensure it’s in satisfactory working order.
NewExperienced Embedded Security Technician Securitas TechnologyExperienced Embedded Security TechnicianLorton, VA$30–$40Securitas Technology Corporation (STC) Technology and Solutions groups are experiencing tremendous success, and we currently have an Embedded Technician opening for team-oriented individuals possessing vocational training in electronics or electromechanical engineering. Performs scheduled, routing preventive maintenance on a variety of equipment/systems under contract agreement by inspecting, adjusting, cleaning, and calibrating systems and checking out equipment to ensure it’s in satisfactory working order.