• Senior Systems Engineer , TS/SCI…

    The Metamorphosis Group (Chantilly, VA)
    Senior Systems Engineer , TS/SCI &FSP Chantilly, VA . Government/Military Apply Now Job Description The Metamorphosis Group, Inc, TMG, has an immediate opening ... for a Senior Systems Engineer , to act in a...supporting applications to support the variety of classified to unclassified internet facing missions. MUST BE US CITIZEN MUST… more
    The Metamorphosis Group (06/11/25)
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  • Senior Security Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated and customer-focused ** Senior Security Engineer ** to join our team in **Chantilly, VA** . In this role, you will help design, ... expertise in supporting Comply-to-Connect (C2C) systems across both classified and unclassified environments. **Responsibilities include but are not limited to:** +… more
    ManTech (08/08/25)
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  • Senior Apple Engineer

    Leidos (Odenton, MD)
    **Description** Leidos is seeking an experienced ** Senior ** **Apple Engineer ** to join our Defense Enclave Services (DES) team, who will support an extensive ... and Department of Defense (DoD) Fourth Estate Agencies. The Senior Apple Engineer provides Apple device and...maintain a secure macOS operating system on classified and unclassified networks. A thorough understanding of macOS, Jamf Pro,… more
    Leidos (08/26/25)
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  • Corporate Enterprise Network Engineer

    TekSynap (Fort Belvoir, VA)
    **Responsibilities & Qualifications** **RESPONSIBILITIES** The Senior Corporate Enterprise Network Engineer performs a variety of network engineering task ... of hardware and software for both the classified and unclassified DISN Services to ensure proper connectivity and operations...& SIPR) and DISN **Overview** We are seeking a Senior Corporate Enterprise Network Engineer to join… more
    TekSynap (09/05/25)
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  • SSN(X) Senior Engineer

    KMS Solutions, LLC (Washington, DC)
    SSN(X) Senior Engineer Company Overview: KMS Solutions, LLC is a technical management / solutions company that specializes in engineering, analysis, and cyber ... Purpose & Values and Work-Life Flexibility Position Summary / Objective: This Senior Engineer provides engineering and programmatic support to PMS 351.… more
    KMS Solutions, LLC (08/29/25)
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  • SSN(X) Senior Engineer

    Serco (Washington, DC)
    …build on your current level of expertise, Serco has an immediate opening for a Senior Engineer that is a great opportunity for you! Team Submarine's Submarine ... other legally protected characteristics. Click here to apply now (https://careers-sercous.icims.com/jobs/69877/ssn%28x%29- senior - engineer /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834477830) **New to Serco?** Join our Talent… more
    Serco (06/17/25)
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  • Senior DevOps Engineer

    Noblis (Chantilly, VA)
    Responsibilities As a Senior DevOps Engineer , you will be responsible for the design, deployment, testing, certification, operations, patching, and addressing ... and Agile Release Train (ART) activities + Support the multi-enclave environment ( Unclassified , Secret, and Top Secret) + Respond to and resolve critical incidents… more
    Noblis (09/03/25)
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  • Senior Network Engineer

    Noblis (Chantilly, VA)
    Responsibilities As a Senior Network Engineer , you will design, install, maintain, and evaluate network systems and communications. You will gather user network ... and provide necessary technical documentation while supporting the multi-enclave environment ( Unclassified , Secret, and Top Secret) that enables users to access data… more
    Noblis (09/03/25)
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  • Senior Mobile Software Engineer

    BigBear.ai (Annapolis Junction, MD)
    Overview BigBear.ai is seeking a Software Engineer and Exploitation Capability Integrator to architect, implement and deploy cutting-edge solutions that drive ... while building scalable, automated solutions that operate across classified and unclassified networks. This role offers the unique opportunity to drive end-to-end… more
    BigBear.ai (08/16/25)
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  • Senior Software Engineer

    Noblis (Chantilly, VA)
    Responsibilities As a Software Engineer , you will be responsible for the design, development, testing, and management of application development projects in support ... and Agile Release Train (ART) activities + Support the multi-enclave environment ( Unclassified , Secret, and Top Secret) + Collaborate with cross-functional teams to… more
    Noblis (09/06/25)
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