• Principal Modeling & Simulation Operations…

    RTX Corporation (El Segundo, CA)
    …Modeling & Simulation experience in the defense industry **Qualifications We Prefer** + Active Top Secret clearance + Advanced degree in STEM (and can be ... required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** DoD Clearance: Secret At Raytheon, the foundation of everything… more
    RTX Corporation (08/14/25)
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  • Principal Resilient Systems Scientist

    Leidos (San Diego, CA)
    …possess a Secret clearance as well as the ability to obtain a Top Secret **Preferred Qualifications** + Ph.D. in Computer Science, Mathematics, or related ... knowledge of mission-focused systems? The Leidos Innovations Center's newly established Information and Data Science Division is seeking a Senior Resilient Systems… more
    Leidos (09/03/25)
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  • Linux Engineer

    ManTech (San Diego, CA)
    …an active Secret security clearance with the ability to obtain a Top Secret clearance **Physical Requirements:** + Must be able to remain in a stationary ... administration, with proficiency in both Linux and Windows environments + Must have Security + CE certification + Must have VMware, Windows, or Linux Operating System… more
    ManTech (08/26/25)
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  • System Integrator

    BOOZ, ALLEN & HAMILTON, INC. (El Segundo, CA)
    …investigation and may need to meet eligibility requirements for access to classified information ; Secret clearance is required. Compensation At Booz Allen, we ... big picture thinking to make an impact on national security space missions? You understand your customer's environment and...Allen Hamilton's team to work on the Space Force's top priority space programs. As a system integrator on… more
    BOOZ, ALLEN & HAMILTON, INC. (08/18/25)
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  • System Analyst

    Kratos Defense & Security Solutions, Inc. (San Diego, CA)
    …U. S. Citizen with minimum SECRET clearance with the ability to obtain TOP SECRET (TS)/SENSITIVE COMPARTMENTED INFORMATION (SCI) Desired: + Bachelor of ... of other program functional areas/disciplines (ie, Systems Engineering; Cyber Security ; Scheduling; etc.) and labs to ensure interdependencies are factored… more
    Kratos Defense & Security Solutions, Inc. (08/16/25)
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  • Document Control Support 1

    PDS Defense (Palmdale, CA)
    …to you, be sure to talk with your recruiter. Job Requirements Minimum Security Clearance: Secret **VEVRAA Federal Contractor / Request Priority Protected Veteran ... digital printing workload. Must be highly committed to delivering top notch customer service and precision quality document reproduction...* Must have a current and active DoD/SAP/SAR B-2 Secret Clearance to start. * Capable of lifting to… more
    PDS Defense (07/16/25)
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  • CNC Machinist I-III (Active Clearance Required)

    Kratos Defense & Security Solutions, Inc. (Sacramento, CA)
    Job Descriptions: Kratos Defense & Security Solutions, Inc., is a leading defense technology company focused on unmanned systems, satellite communications, cyber ... security /warfare, microwave electronics, missile defense, training, and combat systems....global allies and partners. Our track record of delivering top -notch jet-powered subscale targets has established us as a… more
    Kratos Defense & Security Solutions, Inc. (07/12/25)
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  • Administrative Coordinator II - Front Desk

    Sierra Nevada Company, LLC (Folsom, CA)
    …. **IMPORTANT NOTICE:** This position requires the ability to obtain and maintain a Secret US Security Clearance. US Citizenship status is required as this ... will support the front desk operations of our facilities while providing top -notch customer service to internal and external parties. Internally, you will coordinate… more
    Sierra Nevada Company, LLC (08/08/25)
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  • Master Scheduler (Starshield)

    SpaceX (Hawthorne, CA)
    …to develop and manage many levels of program plans and schedules simultaneously. + Active Top Secret or Top Secret SCI clearance preferred. ADDITIONAL ... SpaceX's Starlink technology and launch capability to support national security efforts. While Starlink is designed for consumer and...+ Highly skilled at taking in large quantities of information and presenting it in a clear and concise… more
    SpaceX (06/10/25)
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  • Systems Test and Evaluation Engineer

    BOOZ, ALLEN & HAMILTON, INC. (El Segundo, CA)
    … investigation and may need to meet eligibility requirements for access to classified information ; Secret clearance is required. Compensation At Booz Allen, we ... resilient solutions to ensure success of a critical national security mission? If this sounds like you, come join...Booz Allen's Strategic SATCOM team to work on a top -priority space program. On our team, you will work… more
    BOOZ, ALLEN & HAMILTON, INC. (08/24/25)
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