• Systems Engineer Principal

    SAIC (El Segundo, CA)
    **Description** **Job Description:** SAIC is seeking an experienced **Communications Systems Engineer ** with a strong background in RF systems for satellite, ... analyses, developing complex communication scenarios, and working with both MILSATCOM and COMSATCOM systems . You will play a crucial role in the full lifecycle of… more
    SAIC (12/12/25)
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  • Space-Based Infrared Systems (SBIRS)…

    INTECON (CA)
    …Range: $180k - $200k/year Role Summary INTECON is seeking a highly skilled Space Systems Engineer to support critical national security space programs. In this ... test and evaluation platforms. + Microsoft Office Suite. + Systems modeling and engineering tools. Security Clearance ...+ Systems modeling and engineering tools. Security Clearance + Clearance : Top Secret/SCI. Benefits +… more
    INTECON (11/09/25)
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  • Senior Principal Systems Engineer

    Northrop Grumman (Los Angeles, CA)
    …organization at Northrop Grumman Mission Systems (NGMS) is seeking a highly skilled Systems Engineer with expertise in Nuclear Surety to join our team based ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the...our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,… more
    Northrop Grumman (10/03/25)
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  • Systems Engineer , Integration…

    Lockheed Martin (Palmdale, CA)
    **Description:** You will be the Simulation & System Test \(SST\) Engineer for the Skunk Works - Advanced Development Programs team\. Our team is responsible for ... platforms **What You Will Be Doing:** As the SST Engineer you will support the team that integrates and...be able to maintain a US DoD TOP SECRET clearance , to support this government contract, as well as… more
    Lockheed Martin (10/31/25)
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  • Data / Dissemination Systems

    RTX Corporation (Beale AFB, CA)
    …or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is required, ... as only US citizens are eligible for a security clearance ​ **Security Clearance :** TS/SCI - Current Raytheon Company Managed by Collins Aerospace Collins… more
    RTX Corporation (12/02/25)
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  • Software Engineer - Level T02/T03 (Space…

    Northrop Grumman (Manhattan Beach, CA)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: SCI TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our employees have ... incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...start date._ _*_ **We are seeking either a Software Engineer (T02) or Principal Software Engineer (T03)… more
    Northrop Grumman (11/01/25)
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  • Software Engineer - Level T03/T04 (Space…

    Northrop Grumman (Redondo Beach, CA)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: SCI TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our employees ... have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...start date.*_ We are seeking either a Principal Software Engineer (T03) or a Senior Principal Software Engineer more
    Northrop Grumman (11/01/25)
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  • Sr Principal Systems Engineer

    Northrop Grumman (Mcclellan, CA)
    …they're making history. We are looking for you to join our team as a Systems Engineer based in Northern California, Sacramento (McClellan Park). As a Systems ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the...our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,… more
    Northrop Grumman (11/18/25)
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  • Systems Engineer , Senior

    BOOZ, ALLEN & HAMILTON, INC. (El Segundo, CA)
    Systems Engineer , Senior The Opportunity: Are...contribute to the DoD mission + TS / SCI clearance + Bachelor's degree in an Engineering, Mathematics, or ... your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world...part of delivering a customer-focused engineering solution. As an engineer on our team, you'll work with Booz Allen… more
    BOOZ, ALLEN & HAMILTON, INC. (11/17/25)
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  • Propulsion Systems Project Engineer

    ManTech (El Segundo, CA)
    **MANTECH seeks** a skilled and motivated **Propulsion Systems Project Engineer ** to support the US Space Force Space Systems Command (SSC), Launch ... include, but are not limited to:** As a Propulsion Systems Project Engineer , you will support launch...to senior stakeholders + Prior military or launch vehicle systems experience ** Clearance Requirements:** + Must be… more
    ManTech (11/26/25)
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