• Software Engineer (508 Compliance SME)

    Saliense Consulting (Arlington, VA)
    Secret clearance to be considered and must be eligible to obtain a Top Secret clearance. Position Description: Technical 508 Compliance SME to join our team ... of Naval Research (ONR) in Arlington, VA. Candidates must possess an active Secret Clearance to be considered. The Technical 508 Compliance SME will assist the… more
    Saliense Consulting (12/19/25)
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  • Sr Specialist, Systems Engineer (Cloud…

    L3Harris (Chantilly, VA)
    …the space, air, land, sea and cyber domains in the interest of national security . Job Title: Sr Specialist, Systems Engineer (Cloud Systems) Job Code: 32135 ... minimum of 10 years of prior related experience + Ability to obtain a TS /SCI security clearance + 4+ years experience decomposing complex requirements into… more
    L3Harris (12/21/25)
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  • Java Developer

    Koniag Government Services (Vienna, VA)
    …testing, deployment, and support for new or existing IT application software on Unclassified, Secret and Top Secret enclaves. Development currently uses the ... Services company, is seeking a Java Developer with a TS /SCI security clearance to support Kadiak and...charts. + Translate detailed designs into computer software. + Test , fix, and refine the computer software to produce… more
    Koniag Government Services (12/10/25)
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  • Software Engineer - SME

    KBR (Chantilly, VA)
    …and managing a backlog of requirements) + Experience with Neural Networks/Machine Learning Security Requirements: Must have an active TS -SCI with a current ... Title: Software Engineer - SME Belong. Connect. Grow. with KBR!...- SME Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology… more
    KBR (10/21/25)
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  • Terrestrial COMSEC Network Engineer

    CACI International (Springfield, VA)
    …an exciting and challenging opportunity available for a COMSEC (communications security ) Network Engineer supporting an Intelligence Community customer's ... test plans and supporting documentation of all communications security configuration upgrades, additions or revisions for customer approval before… more
    CACI International (10/25/25)
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  • Senior Systems Engineer (Onsite)

    RTX Corporation (Springfield, VA)
    …start date.​ US citizenship is required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** TS /SCI with CI Poly - Current At ... Experience in enterprise level planning and implementation. + **An active and transferable TS /SCI CI Poly US government issued security clearance is required… more
    RTX Corporation (12/24/25)
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  • Intel Cyber Engineer

    TekSynap (Virginia Beach, VA)
    security postures. + Support the development and testing of Assessment Test Plans (ATPs) for evaluating security controls and system readiness. **REQUIRED ... QUALIFICATIONS** + Active TS /SCI security clearance + Bachelor of Science...technical and non-technical stakeholders. + Developing and executing Assessment Test Plans (ATPs). **Overview** We are seeking an Intel… more
    TekSynap (10/01/25)
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  • Data/Cloud Engineer

    KBR (Chantilly, VA)
    …Data/Cloud Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to ... space defense. KBR is seeking a highly qualified Data/Cloud Engineer to provide support for our customers in Chantilly,...effectively with all levels of internal and external leadership Security Requirements: Must have an active TS -SCI… more
    KBR (10/08/25)
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  • Senior DevOps Software Engineer

    CACI International (Sterling, VA)
    …Software Engineer to join our Team. We enable national security missions through creation and delivery of innovative, technology-centric solutions that provide ... Senior DevOps Software Engineer Job Category: Engineering Time Type: Full time...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel… more
    CACI International (12/11/25)
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  • Associate Modeling and Simulation Engineer

    The MITRE Corporation (Mclean, VA)
    …obtain, within one year from the date of hire, the following clearance(s): Top Secret Work Location Type: Onsite Commitment to Non-Discrimination All qualified ... domain experts, and human factors engineers to help demonstrate and test concepts for sponsors in an iterative rapid-prototyping environment. Basic Qualifications:… more
    The MITRE Corporation (12/13/25)
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