• Senior SETA Engineer SME

    IronMountain Solutions, Inc. (Falls Church, VA)
    …Operations. + Demonstration and Experimentation. Clearance Requirements: Must have anActive Top Secret Security Clearance with SCI and SAP Experienceis ... 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)
    …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 - $116,400 ... 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 (01/09/26)
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  • Senior Lead Engineer - Public Sector

    Lumen (Richmond, VA)
    …Candidate must be a US Citizen with an active Department of Defense TOP SECRET clearance **Compensation** This information reflects the anticipated base salary ... trust and transparency. People power progress. We're looking for top -tier talent and offer the flexibility you need to...will be able to rapidly identify and resolve problems, engineer , identify, and become proficient in the latest technology… more
    Lumen (01/09/26)
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  • AI Engineer

    Sciolex Corporation (Chantilly, VA)
    …AI trends and technologies to drive innovation. Qualifications & Physical Requirements + Active Top Secret /SCI with Poly + Bachelors and five (5) years or more ... 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 (01/07/26)
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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 (5) ... 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 (01/07/26)
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  • AWS Systems Engineer and Mission…

    Leidos (Chantilly, VA)
    …relevant experience; OR 4 additional years of experience in lieu of degree. + Active Top Secret Security Clearance with ability to obtain SCI post-hire. + DoD ... skilled and versatile professional to serve as both an AWS Systems Engineer and Mission Owner/Project Manager. This dual-role position involves systems engineering… more
    Leidos (01/03/26)
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  • Senior Information System Security Engineer

    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 also ... seek a motivated, career and customer-oriented **Senior Information System Security Engineer ** to join our team in **Washington, DC, Quantico, Chantilly, Huntsville,… more
    ManTech (01/01/26)
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  • Ground Systems Engineer

    Noblis (Chantilly, VA)
    …in software design and architecture. Required Qualifications + Active Top Secret /SCI clearance with Counterintelligence (CI) Polygraph. + US Citizenship ... 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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  • Senior Service Engineer - CTJ - Poly

    Microsoft Corporation (Reston, VA)
    …screenings: + The successful candidate **must have an active** US Government Top Secret Clearance with access to Sensitive Compartmented Information (SCI) ... **Overview** Microsoft has an exciting opportunity for a Senior Service Engineer to join the Azure Silver and Sovereign Team as part of the Cloud Transfer Service… more
    Microsoft Corporation (12/11/25)
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  • SIGINT Systems Engineer

    SAIC (Chantilly, VA)
    …experience. Relevant experience to be substituted in lieu of degree. + Active Top Secret /SCI clearance with Poly. + Experience with space/ground aerospace ... **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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