• Lead PNT Systems Engineer

    The MITRE Corporation (El Segundo, CA)
    …related education and work experience. + Demonstrated technical depth in the field of GPS systems engineering. + Active Top Secret Clearance with the ability ... In this role, you will serve as MITRE's PNT systems engineer support to Space Systems...candidate to have a minimum of the following clearance(s): Top Secret This requisition requires the hired candidate to… more
    The MITRE Corporation (12/04/25)
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  • Principal Systems Engineer (Onsite)

    RTX Corporation (Oxnard, CA)
    …Advanced Airborne Radio Frequency department has an immediate opening for a Principal Systems Engineer who is committed and passionate about creating innovative ... preferred) and a minimum of 8 years of EW/Radar systems design and requirements engineering experience + Active...eligible for a security clearance. **Qualifications We Prefer** + Active DoD Top Secret clearance with investigation… more
    RTX Corporation (01/12/26)
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  • Spacecraft Harness Engineer - Millennium…

    The Boeing Company (El Segundo, CA)
    …opportunity for professional growth. Find your future with us. Millennium Space Systems , A Boeing Company, delivers affordable, high-performance space systems ... us. **Job Summary** As a Lead Spacecraft Harness Design Engineer , you will work with a small team on...In this role, you will provide electrical wiring interconnect systems (EWIS) for our advanced research, development, and prototype… more
    The Boeing Company (01/07/26)
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  • Lead, Crypto-Communications Security…

    L3Harris (San Diego, CA)
    …domains in the interest of national security. Job Title: Lead, Crypto/Communications Security Systems Engineer Job Code: 30537 Job Location: San Diego, CA Job ... Develop and oversee the design and architecture of complex systems , ensuring they meet all technical requirements and specifications....budget analysis * Understanding of satellite CONOPS * An active Top Secret or TS/SCI clearance In… more
    L3Harris (11/08/25)
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  • Model Based Systems Engineer SME

    KBR (El Segundo, CA)
    Title: Model Based Systems Engineer SME KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers ... resolution, and assisting the Government in executing selected solutions. Required Qualifications: + Active DoD Top Secret clearance and ability to obtain a… more
    KBR (12/18/25)
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  • RF Communication Systems Engineer

    SAIC (El Segundo, CA)
    **Description** **Job Description:** SAIC is seeking an experienced **Communications Systems Engineer ** with a strong background in RF systems for satellite, ... communication scenarios, and working with both MILSATCOM and COMSATCOM systems . You will play a crucial role in the...or small teams on complex communications projects. + **Clearance:** Active Secret or Top Secret security clearance.… more
    SAIC (12/12/25)
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  • Senior Ground Segment Systems…

    SAIC (El Segundo, CA)
    **Description** SAIC is seeking you, our latest experienced Senior Ground Segment Systems Engineer to support to the US Space Force (USSF) in developing, ... sustaining a National Security Space system within the Space Systems Command Space Domain Awareness and Combat Power (SSC/SZ)...of experience in lieu of degree). + Requires an active Top Secret clearance with the ability… more
    SAIC (12/05/25)
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  • Systems Engineer - CONOPS & Mission…

    Lockheed Martin (Sunnyvale, CA)
    …the interdependencies e\) Satellite mission operations planning, testing or execution * Active or Current Top Secret security clearance with investigation ... trusted partner for critical national capabilities\. As a **CONOPS and Mission Operations Engineer ** , you will: * Define the concept of operations for a… more
    Lockheed Martin (12/25/25)
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  • Systems Engineer

    Robert Half Technology (San Diego County, CA)
    Description We are looking for a Systems Engineer with strong experience in MECM (Microsoft Endpoint Configuration Manager) and SCOM (System Center Operations ... Manager) to stand up a localized testing environment. The Systems Engineer will architect, deploy, and validate...Packs and author custom rules. + Windows Server & Active Directory: Deep knowledge of schema extensions, GPOs, DNS/DHCP.… more
    Robert Half Technology (01/10/26)
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  • Spacecraft Systems Engineer (2nd…

    The Boeing Company (El Segundo, CA)
    …to work second shift (3:30pm - 1:00am)** This position's internal job code is Systems Engineer . Our team is currently hiring for the Levels 3-4. **Position ... opportunity for professional growth. Find your future with us. Millennium Space Systems , A Boeing Company, delivers affordable, high-performance space systems … more
    The Boeing Company (01/09/26)
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