• 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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  • 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 (01/09/26)
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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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  • Engineer Systems Test - System…

    Northrop Grumman (Colorado Springs, CO)
    …Space Systems -Missile Defense Integration offers an excellent opportunity for an ** Engineer Systems Test - System Operator (26-005)** to join our team ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...+ Another growth opportunity is with the System Test Engineer group + This team is responsible for the… more
    Northrop Grumman (01/10/26)
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  • Systems Test Engineer (Onsite)

    RTX Corporation (San Diego, CA)
    …(MANTA) group within the Mission Critical Products organization is currently hiring a ** Systems Test Engineer ** to join our San Diego, CA-based Maritime PNT ... ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as...with a reliable and accurate blended navigation solution. The Systems Test Engineer will perform a technical… more
    RTX Corporation (01/10/26)
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  • RF Systems Engineer

    KBR (Chantilly, VA)
    Title: RF Systems Engineer Title: Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape...KBR is seeking a highly qualified Radio Frequency (RF) Systems Engineer to join our team. The… more
    KBR (01/09/26)
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  • Sr. Manager, Systems Engineer

    L3Harris (Waco, TX)
    …Schedule: 1st Shift 9/80 Job Description: We are looking for a Sr. Manager, Systems Engineer with strong knowledge of Systems Engineering, Cybersecurity, and ... sea and cyber domains in the interest of national security . Job Title: Sr. Manager, System Engineer ...and procedures and make moderate to substantial improvements to systems and processes, as needed. The SE Senior Manager… more
    L3Harris (01/06/26)
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  • Air Proprietary Program Systems

    The Boeing Company (Berkeley, MO)
    …Defense, Space & Security (BDS)** is seeking an **Experience** or **Lead** ** Systems Engineer ** to join the Systems Engineering and Integration Team ... broad range of experience levels including Experienced and Lead Level Systems Engineer . **Position Responsibilities:** + Lead cross-functional engineering teams… more
    The Boeing Company (12/25/25)
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