• Lead IT Systems Engineer

    ManTech (Chantilly, VA)
    …and an Associate's degree. **Clearance Requirements:** + Must have a current/active TS / SCI w/Polygraph. **Physical Requirements:** + Must be able to remain ... **MANTECH** seeks a motivated, career and customer-oriented **Lead IT Systems Engineer ** to join our team in **Chantilly, VA.** **Responsibilities include but are… more
    ManTech (12/03/25)
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  • Lead Data Engineer

    ManTech (Chantilly, VA)
    …and metadata management. **Clearance Requirements:** . Must possess a current and active TS / SCI with polygraph **Physical Requirements:** . Must be able to be ... **MANTECH** seeks a motivated, career and customer-oriented **Lead** **Data Engineer ** to join our Data and AI Practice onsite in **Chantilly and/or Herndon, VA** .… more
    ManTech (11/05/25)
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  • Software Engineer - Backend

    Jacobs (Chantilly, VA)
    …as Gitlab. . Self-starter with strong innovative and analytical ability . Possess TS / SCI with Full Scope Poly Jacobs is an Equal Opportunity/Affirmative Action ... security. We are in search of a backend software engineer passionate about formulating new solutions, to join our...in Python, Java or Go . Knowledge of relational database fundamentals . DevOps experience, to include version control,… more
    Jacobs (11/04/25)
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  • System Engineer

    Sciolex Corporation (Chantilly, VA)
    …of a model-Base Systems Engineering approach Qualifications & Physical Requirements Must hold TS / SCI W/ CI Poly Clearance Desired + Master's or PhD in ... utmost employee care. Responsibilities We are seeking a highly motivated system engineer . The expected and desired qualifications are the following: Expected +… more
    Sciolex Corporation (10/13/25)
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  • Network Engineer 4

    M. C. Dean (Springfield, VA)
    …may meet eligibility requirements, including US Citizenship, for access to classified information . **ACTIVE TS / SCI is REQUIRED** **Education:** + Bachelor's ... engineering, and cybersecurity industries. We are seeking a **Network Engineer 4** to join our **Security and Electronic Systems...degree in engineering, Computer Science, Information Technology (IT) or a related discipline 7+ years… more
    M. C. Dean (10/10/25)
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  • Lead Security Assessor

    Foxhole Technology, Inc (Alexandria, VA)
    **Overview** **Job Title: Lead Security Engineer - Reviewer** **Clearance: Top Secret with SCI eligibility** **Location: Alexandria, VA** **Start: Based ... you! **Job Locations** _US-VA-Alexandria_ **Job ID** _2025-2024_ **Category** _CyberSecurity_ **Type** _Regular Full-Time_ **Clearance Required** _Top Secret / SCI more
    Foxhole Technology, Inc (12/19/25)
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  • System Engineer

    Solvarus (Chantilly, VA)
    …BS/BA or 8 to 10 years with MS/MA or 5 to 7 years with PhD. + TS / SCI with Poly. + Experience with Intelligence Community (IC) customer or Department of Defense ... & Warning (I&W) systems. + Experience with DOORs requirements database management/repository. + Experience in Rhapsody and SysML applications, Confluence,… more
    Solvarus (12/14/25)
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  • Sr Software Engineer

    Nightwing (Sterling, VA)
    …DHS program suitability prior to starting employment + Must be able to obtain a TS / SCI Clearance + Knowledge of the principles, methods, and techniques used in ... Service Management + ServiceNow System Administration + Experience with gathering requirements, database design schemas, and data modeling + 8+ years of software… more
    Nightwing (11/25/25)
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  • Software Developer III

    General Atomics (Charlottesville, VA)
    …Required:** 0% - 25% **Full-Time/Part-Time:** Full-Time Salary **State:** Virginia **Clearance Level:** Top Secret ( SCI access eligible) **Pay Range Low:** ... to technical and non-technical audiences + Maintain the strict confidentiality of sensitive information + Observe all laws, regulations and other applicable… more
    General Atomics (12/11/25)
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  • National Security Sector Referrals

    Leidos (Reston, VA)
    …Java, Python, AI/ML + DevOps Engineer + Reverse Engineer /Embedded Engineer + Systems Administration - Linux + Information Security Systems Engineer ... Systems Engineer + TechSIGINT Analyst + Oracle Database Administration (DBA) + And many more technical positions...of a degree + Clearance Preferred (and commonly required): TS / SCI with Polygraph. At **Leidos** , we… more
    Leidos (10/18/25)
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