• Oak Leaf Solutions (Fort Meade, MD)
    …with Full Scope Polygraph is required to be considered for this position. The Software Engineer develops, maintains, and enhances complex and diverse software ... processes may be substituted for a bachelor’s degree. The Level 3 Software Engineer (SWE) shall possess the following capabilities: Analyze user requirements to… more
    ZipRecruiter (01/14/26)
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  • TRINITY GLOBAL CONSULTING (Springfield, VA)
    Job Description Job Description Software Engineer (Level 3 – Senior) Location: St. Louis, MO or Springfield, VA Clearance: TS /SCI with CI Poly eligibility ... software design recommendations to the program manager and Chief Software Engineer . Coordinate software development activities within product lines.… more
    ZipRecruiter (01/09/26)
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  • CNF Technologies Corp (San Antonio, TX)
    Job Description Job Description Senior Software Engineer /Developer – San Antonio Position Description As a Senior Software Engineer /Developer you will ... support stealthy tool deployment, system interaction, and evasion techniques. Reverse engineer Windows internals and third-party software to identify… more
    ZipRecruiter (01/09/26)
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  • GCR Technical Staffing (Burlington, MA)
    …applications US Citizen, with Active Secret Clearance. With the ability to obtain Top Secret . Hybrid work environment but must be able to commute to office ... operations enabled by multi-function, multi-modal capabilities. As a Senior Software Engineer in SDD, you will design,...Are: This position requires the ability to obtain a Top Secret Security clearance, for which US… more
    ZipRecruiter (01/13/26)
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  • AeroVironment (Annapolis Junction, MD)
    **Worker Type** Regular **Job Description** **Job Summary** The primary role of the Software Engineer is to design, develop, and maintain secure, misison ... critical software solutions. The ideal candidate will collaborate with cross-functional...as well as alignment with the market. **Clearance Level** Top Secret with Poly **ITAR Requirement:** _T_… more
    DirectEmployers Association (01/07/26)
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  • Applied Research Solutions (Bedford, MA)
    **Description** Applied Research Solutions is seeking a full-time Principal Software Engineer for Hanscom AFB. This role will support the Command, Control, ... Qualifications_** **Clearance:** Must have and be able to maintain a Top - Secret Level Clearance with current SCI eligibility **_Preferred Qualifications_**… more
    DirectEmployers Association (01/08/26)
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  • Akima (Livermore, CA)
    …critical challenges to enhance our nation's security! We are seeking an experienced Software Engineer (R&D S&E Computer Science) to design and implement ... research and development. Active DOE Q/SCI security clearance or equivalent DOD Top Secret /SCI security clearance, and willingness to take a polygraph… more
    ZipRecruiter (01/06/26)
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  • AeroVironment (Arlington, VA)
    **Worker Type** Regular **Job Description** **Job Summary** The primary role of the Software Engineer is to design, develop, and maintain web-based software ... and integrate external data sources + Debug and correct software defects while optimizing performance + Contribute to DevOps...as well as alignment with market data. **Clearance Level** Top Secret with Poly **ITAR Requirement:** _T_… more
    DirectEmployers Association (01/10/26)
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  • APOGEE RESEARCH LLC (Arlington, VA)
    Job Description Job Description Embedded Software Engineer Apogee Research is at the forefront of a revolution in how the DoD operates: a turn towards ... (much less decades). Apogee Research is looking for Embedded Software Engineers to lead the creation of capabilities addressing...VA office ( full-time in person ). Existing DoD Top Secret clearance is extremely desirable, otherwise… more
    ZipRecruiter (01/07/26)
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  • Castellum, Inc. (Alexandria, VA)
    Job Description Job Description JOB SUMMARY We are seeking a CSD Back End Software Engineer to support secure software development efforts for a government ... code, and technical processes QUALIFICATIONS: Minimum Qualifications include: Active TS /SCI security clearance (required) Certified Secure Software ...or GED with 7+ years of experience as a Software Engineer , or Bachelor’s degree with 3+… more
    ZipRecruiter (12/17/25)
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