• Software Systems Engineer

    CACI International (Sterling, VA)
    … Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of Travel Required: Up to 10% ... US * * * **Job Description:** CACI is looking for a self-motivated Systems Engineer with a background in software development to support the fast-paced… more
    CACI International (12/09/25)
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  • Software Engineer Staff - Space…

    Lockheed Martin (Littleton, CO)
    …a career that's built for you\. Space Protection Programs is seeking an experienced Software Engineer who can guide a team through complex mission software ... Participate in embedded software development, integration, and/or software test activities\. * Lead in the...must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should… more
    Lockheed Martin (11/20/25)
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  • Electro-Optical Staff Engineer (Level IV)…

    Lockheed Martin (Littleton, CO)
    …or a closely related discipline * 5\+ years of work experience * Current Top Secret or TS /SCI security clearance **Security Clearance Statement:** This ... security clearance; must be able to obtain a Top Secret security clearance\. **Desired Skills:** *...Secret security clearance\. **Desired Skills:** * Ability to lead a cross\-discipline technical team of 6\-12 engineers to… more
    Lockheed Martin (11/20/25)
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  • Senior/Principal Cybersecurity Software

    Sandia National Laboratories (Livermore, CA)
    …critical challenges to enhance our nation's security! We are seeking an experienced Software Engineer (job title: R&D S&E Cybersecurity) to design and implement ... given day, you may be called on to: + Lead and collaborate with technical design teams and subject...+ Active DOE Q/SCI security clearance or equivalent DOD Top Secret /SCI security clearance. About Our Team:… more
    Sandia National Laboratories (11/20/25)
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  • Hits-U III Site Lead Engineer

    General Dynamics Information Technology (Vicksburg, MS)
    …ITIL Foundation v3 or v4, or obtain within 6 months of start date + Top Secret with the ability to obtain and TS /SCI \#HITS-U GDIT IS YOUR PLACE: * Full-flex ... **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT… more
    General Dynamics Information Technology (10/22/25)
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  • Lead , Communications Systems Algorithm…

    L3Harris (San Diego, CA)
    …Word, Excel, PowerPoint and Visio. * Understanding of satellite CONOPS * An active Top Secret or TS /SCI clearance * Experience with project planning ... domains in the interest of national security. Job Title: Lead , Communications Systems Algorithm Engineer (DSP) Job...logic analyzers, signal generators, and signal analyzers * Active SECRET clearance * Ability to obtain TS more
    L3Harris (11/05/25)
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  • Software Engineer 2 - 23338 (FS Poly…

    Huntington Ingalls Industries (Fort Meade, MD)
    …position. Minimum Qualifications * Are a United States citizen and have an active DoD Top Secret /SCI with Poly at the time of consideration * Have a bachelor's ... Physical Requirements Adequate visual acuity and manual dexterity for meeting the requirements Software Engineer family. The listed salary range for this role is… more
    Huntington Ingalls Industries (10/01/25)
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  • Senior Test Engineer / Lead

    Koniag Government Services (Vienna, VA)
    …to support Kadiak and our government customer in Vienna, VA. This position requires an active Top Secret clearance with the ability to obtain a SCI. This is a ... Koniag Government Services company, is seeking a Senior Test Engineer / Lead to join our dynamic team supporting...* 2+ years of team leadership experience * Active Top Secret clearance with ability to obtain… more
    Koniag Government Services (12/06/25)
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  • Lead Construction Engineer

    SpaceX (Hawthorne, CA)
    Lead Construction Engineer Hawthorne, CA Apply SpaceX was...and ability to work in a team environment. + Active Top Secret , Top Secret ... the ultimate goal of enabling human life on Mars. LEAD CONSTRUCTION ENGINEER The Lead ...SCI, OR ability and willingness to obtain a Top Secret clearance is desired but not… more
    SpaceX (09/18/25)
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  • Lead Systems Engineer (Level 5)

    Lockheed Martin (Littleton, CO)
    …considered, applicants must be U\.S\. citizens and hold an active Top Secret / Sensitive Compartmented Information \( TS /SCI\) clearance\. \- This position is ... - - **What does this role look like?** \- Lead a team of Systems Engineers in the development...\(TRL\) systems\. \- Hands\-on experience with integrated hardware and software verification and test at the subsystem or system… more
    Lockheed Martin (12/11/25)
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