• Principal Cybersecurity Engineer - ISSO…

    RTX Corporation (Vandenberg AFB, CA)
    …individual to join the Cyber Security Engineering team for a ** Principal Cyber Security Engineer ISSO (P4)** position supporting the operations and ... results and recommendations to the leadership. + Ensuring the security integrity of GPS OCX systems of...OCX systems of record by maintaining mission systems basic cyber hygiene, implementing cyber more
    RTX Corporation (09/23/25)
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  • Systems Engineer Principal

    SAIC (San Diego, CA)
    **Description** SAIC is seeking a ** Principal Systems Engineer** to support the Tactical Networks (TACNET) Capabilities Based in Service Engineering Agent ... and Sensitive Compartmented Information (SCI) Networks. TACNET Sustainment Team seeking a Systems Engineer who will assist and lead various efforts and initiatives… more
    SAIC (10/03/25)
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  • Principal Autonomy and Resilient…

    Leidos (San Diego, CA)
    **Description** Are you a motivated Principal Resilient Systems Scientist with a technical vision and hands-on knowledge of mission-focused systems ? The ... art while addressing long-term problems of importance to national security such as embedded systems . + Develop...sensors, or Internet of Things, fusing data collected from cyber and physical systems to develop novel… more
    Leidos (07/19/25)
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  • Principal Systems Engineer (Tactical…

    General Dynamics Information Technology (San Diego, CA)
    …None **Job Family:** IT Infrastructure and Operations **Skills:** DISA STIG, Systems Engineering,Virtual Environments **Certifications:** CompTIA Security + CE | ... Yes **Job Description:** Transform mission needs into deployed capability as a ** Principal ** ** Systems Engineer** with GDIT. You'll lead end-to-end systems more
    General Dynamics Information Technology (09/27/25)
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  • Principal / Senior Principal Network…

    Northrop Grumman (Los Angeles, CA)
    …innovative solutions for program needs + Assess, develop, implement, validate, and maintain Cyber security measures to comply with data/network security and ... or higher certification + CompTIA Network+ certification + Certified Information Systems Security Professional (CISSP) certification Primary Level Salary Range:… more
    Northrop Grumman (08/21/25)
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  • Principal Systems Analyst (Tactical…

    General Dynamics Information Technology (CA)
    …None **Job Family:** IT Infrastructure and Operations **Skills:** Installation Testing,Requirements, Systems Analysis **Certifications:** CompTIA Security + CE | ... Required:** Yes **Job Description:** Bring clarity to complexity as a ** Systems Analyst** with GDIT. You'll translate mission needs into actionable requirements… more
    General Dynamics Information Technology (09/29/25)
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  • RF Systems Engineer ( Principal

    Mission Support and Test Services (Santa Barbara, CA)
    …STL's core portfolios in Dynamic Experiments, Nonproliferation Research and Development, Cyber Physical Defense, and Strategic Systems and Intelligence in ... Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the US National Nuclear ...requirements. NNSS-STL is seeking outstanding candidates for an RF Systems Engineer position to work at STL located in… more
    Mission Support and Test Services (09/06/25)
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  • Principal Systems Engineer

    SAIC (El Segundo, CA)
    **Description** SAIC's Horizon program is seeking a Systems Engineer to support the US Space Force (USSF) Space Systems Command (SSC) mission of developing and ... develop, acquire, and field next generation ground segment and ground-to-satellite communication systems for the United States Space Force (USSF) and its partners.… more
    SAIC (08/15/25)
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  • Principal Systems Engineer

    SAIC (El Segundo, CA)
    …strategies and processes to successfully integrate satellite communication systems , segments (Ground, Space, Crypto, Terminals), subsystems, elements, and ... the technical baselines among different stakeholders. + Perform analysis of the systems requirements that define the technical baseline and verification of the… more
    SAIC (08/07/25)
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  • Principal , Contracts

    L3Harris (Anaheim, CA)
    …space, air, land, sea and cyber domains in the interest of national security . Job Title: Principal , Contracts Manager Job Code: 29367 Job Location: Anaheim, ... advanced defense and commercial technologies across space, air, land, sea and cyber domains. L3Harris has approximately $18 billion in annual revenue and 47,000… more
    L3Harris (09/28/25)
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