• C2 Software Test Engineer

    COLSA Corporation (Shalimar, FL)
    …within 3 weeks of job acceptance. Ability to obtain and maintain a DoD Top Secret (Single Scope Background Investigation clearance. + US Citizenship required. + ... unique technology areas. The team is searching for a software tester to support the 45th Test Squadron, the...Preferred Skills and Experience: + Current and active DoD Secret or Top Secret (Single… more
    COLSA Corporation (12/05/25)
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  • Software Engineer Staff, Level 4

    Lockheed Martin (Colorado Springs, CO)
    …tools * Must be a US Citizen; Must be able to obtain and maintain a Top Secret security clearance\. This position is located at a facility that requires special ... access\. **Desired Skills:** * Recent on\-program experience as a technical software lead \(e\.g\., architecture design, technical research, project management,… more
    Lockheed Martin (11/23/25)
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  • Software Engineer

    CACI International (Sarasota, FL)
    Software Engineer Job Category: Information Technology...+ Must be a US citizen with an active Top Secret /SCI DoD Security clearance with polygraph. ... * * * **The Opportunity:** Join us as a Software Engineer to design, build, and ship...management plans and stakeholder requirements. + Serve as team lead at the level appropriate to the software more
    CACI International (09/20/25)
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  • Software Engineer - Clearance…

    Lockheed Martin (Hanover, MD)
    …support our employees, so they can support our mission\. **The Work:** As a Java Software Engineer , you will: * Analyze user requirements to derive software ... be substituted for a bachelor's degree\. * Current DoD Top Secret SCI with Polygraph\. * Minimum...with Polygraph\. * Minimum Fifteen \(15\) years of experience Software Engineer \(SWE\) Required: Front End Developer… more
    Lockheed Martin (12/10/25)
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  • Software Engineer

    Parsons Corporation (Fort George G Meade, MD)
    …familiarity + TS /SCI w/ Polygraph **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required for this position.​ ... **Job Description:** Parsons is looking for an amazingly talented ** Software Engineer 3** to join our team!...software and system documentation + Serve as team lead at the level appropriate to the software more
    Parsons Corporation (10/24/25)
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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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  • 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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  • 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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  • 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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