• Endpoint Security as a Service (ESS)…

    Leidos (Washington, DC)
    …is seeking a skilled and driven **Endpoint Security as a Service (ESS) Engineer and Systems Administrator** to join our team at the Washington Navy Yard ... innovation meets mission. **What You'll Do** As an ESS Engineer and Systems Administrator, you won't just...a highly sensitive environment. You will ensure that our systems comply with the latest security patches… more
    Leidos (12/24/25)
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  • Engineer Systems - Level 1…

    Northrop Grumman (Chandler, AZ)
    …they're making history. Northrop Grumman Space Systems is seeking an Associate Systems Engineer for the Sentinel Systems Engineer position(s) ... located in Chandler, AZ. The Associate Systems Engineer will join the Sentinel SEIT Team, and be...Must have ability to obtain Interim US DoD Secret security clearance, or higher is required at the time… more
    Northrop Grumman (01/13/26)
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  • Secret Systems Engineer I

    Insight Global (Suffolk, VA)
    Job Description Insight Global is seeking a Systems Engineer I to support a federal client in Suffolk, Va. The Systems Engineer will support the ... (eg, Security + CE) . AWS/Azure/GCP experience . Strong background in systems integration, cloud infrastructure, and zero trust security . . Hands-on… more
    Insight Global (01/07/26)
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  • Senior Systems Engineer

    CACI International (Columbia, MD)
    Senior Systems Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... * * * **The Opportunity:** Join our dynamic Network Security Implementation and Sustainment (NSIS) Services team as a... Implementation and Sustainment (NSIS) Services team as a Systems Engineer . In this role, you will… more
    CACI International (12/18/25)
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  • Senior Systems Engineer (Level 5)

    Kaizen Approach, Inc (Annapolis Junction, MD)
    Kaizen Approach is currently seeking a Senior Systems Engineer to participate in Information Assurance (IA) system, hardware, and software design activities ... and tracking throughout the system development lifecycle to ensure security certification supportability. You will collaborate with cross-functional engineering...of ten (10) years of relevant experience as a systems engineer on one or more IT… more
    Kaizen Approach, Inc (11/11/25)
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  • OPIR Systems Engineer

    KBR (Chantilly, VA)
    Title: OPIR Systems Engineer KBR is seeking a highly qualified OPIR Systems Engineer . GED delivers mission-critical capabilities that enable a plan and ... into useful information distributed to IC and DoD users. As a Senior OPIR Systems Engineer , you will be responsible for providing Joint Intelligence Community… more
    KBR (10/28/25)
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  • Software Engineer (Top Secret…

    KBR (Colorado Springs, CO)
    Title: Software Engineer (Top Secret Security Clearance Required) Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end ... protecting our national security . KBR, is seeking a highly motivated Software Engineer to join us in supporting our great nation, supporting the Air Force… more
    KBR (01/13/26)
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  • Cyber Security Engineer

    Lockheed Martin (King Of Prussia, PA)
    …the team * Experience with vulnerability scanning and/or patching * Certified Information Systems Security Professional \(CISSP\) * Active TS/SCI Security ... **What does this role look like?** The position is for a cybersecurity engineer working for Lockheed Martin Mission Solutions\. Mission Solutions line of business… more
    Lockheed Martin (12/20/25)
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  • Principal Cyber Security Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Principal Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role supports the ... work alongside cyber experts to develop solutions that enhance network compliance and security posture across DoD systems . **Responsibilities include but are not… more
    ManTech (12/13/25)
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  • Sr. Network Security Engineer

    CACI International (Columbia, MD)
    Sr. Network Security Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... None * * * **The Opportunity:** The Sr. Network Engineer will work within the Network Security ...equipment and network simulators. + Designs, implements, and evaluates security systems + Contributes to security more
    CACI International (11/25/25)
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