• Sr Engineer - Federal

    Lumen (Herndon, VA)
    …division multiplexing + **Candidate must be a US Citizen with an active TOP SECRET / SCI Level clearance** Preferred Qualifications + Bachelor's degree ... trust and transparency. People power progress. We're looking for top -tier talent and offer the flexibility you need to...world and shape the future. **The Role** The Senior Engineer will participate in multiple team environments and provide… more
    Lumen (12/10/25)
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  • AI Cloud Engineer

    SAIC (Chantilly, VA)
    …years or more experience. Relevant experience to be substituted in lieu of degree. + Active Top Secret / SCI with Poly. + Experience in AI OR cloud computing; ... **Description** SAIC is seeking a **AI Cloud Engineer ** with expertise in Signal Intelligence (SIGINT) processing to support SAIC's Prime Program, Landmark AOS in… more
    SAIC (11/06/25)
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  • Solution Train Engineer

    SAIC (Chantilly, VA)
    …or more experience. Relevant experience to be substituted in lieu of degree. + Active Top Secret / SCI clearance with Polygraph. + Proven experience with Agile ... **Description** SAIC is seeking a **Solution Train Engineer ** to support SAIC's Prime Program, Landmark AOS in Chantilly, VA. Landmark AOS is a large SETA program,… more
    SAIC (11/06/25)
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  • Senior SETA Engineer SME

    IronMountain Solutions, Inc. (Falls Church, VA)
    Information Operations. + Demonstration and Experimentation. Clearance Requirements: Must have anActive Top Secret Security Clearance with SCI and SAP ... 501180 Senior SETA Engineer SME Work Location: Falls Church, Virginia Schedule:...Artificial Intelligence (AI)/Machine Learning to assess the performance of software which shall enable autonomous vehicle and control elements,… more
    IronMountain Solutions, Inc. (10/21/25)
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  • Associate Systems Engineer

    The MITRE Corporation (Mclean, VA)
    …have or obtain, within one year from the date of hire, the following clearance(s): Top Secret / SCI Salary compensation range and midpoint: $77,600 - $97,000 - ... domains. Job Description: This is an opportunity for an Associate Systems Engineer with an interest in advancing and applying innovative systems engineering… more
    The MITRE Corporation (01/02/26)
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  • Senior Information System Security…

    ManTech (Chantilly, VA)
    …discipline. **Clearance Requirements:** + Must be a US citizen and have a current/active Top Secret security clearance with SCI eligibility. + Applicant may ... **MANTECH** seek a motivated, career and customer-oriented **Senior Information System Security Engineer ** to join our team in **Washington, DC, Quantico,… more
    ManTech (01/01/26)
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  • Ground Systems Engineer

    Noblis (Chantilly, VA)
    …improvement in software design and architecture. Required Qualifications + Active Top Secret / SCI clearance with Counterintelligence (CI) Polygraph. + US ... Responsibilities Noblis ESI is seeking an experienced **Ground Systems Engineer ** to work on complex projects crucial to our national security objectives. The… more
    Noblis (12/24/25)
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  • SIGINT Systems Engineer

    SAIC (Chantilly, VA)
    …related experience. Relevant experience to be substituted in lieu of degree. + Active Top Secret / SCI clearance with Poly. + Experience with space/ground ... **Description** SAIC is seeking an **SIGINT Systems Engineer ** to support SAIC's Prime Program, Landmark AOS in Chantilly, VA. Landmark AOS is a large SETA program,… more
    SAIC (11/21/25)
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  • GEOINT Systems Engineer

    Sciolex Corporation (Chantilly, VA)
    …to strategic priorities and performance standards. Qualifications & Physical Requirements + Active Top Secret / SCI clearance with Poly. + Bachelors and five ... ensuring you receive the utmost employee care. Responsibilities As the GEOINT Systems Engineer you will interact daily with senior government and Program staff to… more
    Sciolex Corporation (10/09/25)
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  • AI Engineer

    Sciolex Corporation (Chantilly, VA)
    …on AI trends and technologies to drive innovation. Qualifications & Physical Requirements + Active Top Secret / SCI with Poly + Bachelors and five (5) years or ... utmost employee care. Responsibilities As a AI/ Artificial intelligence Engineer Subject Matter Expert, you will you will develop...You will also work closely with data scientists and software engineers to implement AI solutions that meet program… more
    Sciolex Corporation (10/09/25)
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