• Principal Cyber Security Systems Engineer

    ManTech (Chantilly, VA)
    MANTECH seeks a motivated, career-driven **Principal Cyber Security Systems Engineer** to join our team in **Chantilly, VA** . This role offers an exciting ... work closely with cross-functional teams to ensure secure, scalable, and high-performing systems . You will help design, implement, and maintain secure and scalable … more
    ManTech (08/29/25)
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  • Software Developer/SME

    Amentum (Chantilly, VA)
    …to reverse engineer legacy codebases and produce UML models using Enterprise Architect . + Support secure communications systems , ensuring compliance with ... with a strong background in multi-tiered C# .NET applications, information systems , and service-oriented architectures. The role requires proficiency in full-stack… more
    Amentum (07/28/25)
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  • Part-Time High Energy Laser Scientist

    Nou Systems, Inc. (Fort Belvoir, VA)
    …freeze as the Missile Defense Agency is performing a manpower assessment. nou Systems is continuing to accept applications and consider candidates so that we will ... staffing the contract when the freeze is lifted. nou Systems , Inc. (nSI) is here to solve diverse and...for a Senior Laser Scientist supporting the MDA Chief Architect , Chief Scientist Team, MDA/CA-E. The MDA/CA-E team performs… more
    Nou Systems, Inc. (09/04/25)
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  • Team Lead, Technical Collaboration Solutions…

    CoStar Realty Information, Inc. (Arlington, VA)
    …Information Systems , or similar. + Microsoft Certified: Azure Solutions Architect + Microsoft 365 Certified: Enterprise Administrator Expert. + AWS Certified ... in real estate. We are seeking a **Collaboration Solution Architect ** to lead the design and implementation of integrated...Solutions Architect + Agile/Scrum **What's in it for You** When… more
    CoStar Realty Information, Inc. (09/26/25)
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  • Senior Systems Engineer / Integrator

    Noblis (Chantilly, VA)
    Responsibilities Noblis ESI is seeking an experienced Senior Systems Engineer/Integrator to support our government client on-site in Chantilly, VA. The primary role ... basis. This includes overseeing and managing the integration of technical systems and ensuring alignment with NCIJTF's technical and analytical requirements.… more
    Noblis (10/01/25)
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  • Principal Network Systems Engineer

    Saliense Consulting (Arlington, VA)
    …full benefits package. Saliense is now hiring a Senior Technical Consultant (Principal Network Systems Engineer) to join our team in support of our team at the ... must be eligible to obtain a Top Secret clearance. The Principal Network Systems Engineer will be responsible for leading day-to-day operations management as well as… more
    Saliense Consulting (10/01/25)
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  • OPIR Systems Engineer, Senior

    BOOZ, ALLEN & HAMILTON, INC. (Chantilly, VA)
    OPIR Systems Engineer, Senior The Opportunity: At a certain point, experience -based system design can start to look like clairvoyance. When you've developed so many ... systems that you can not only orchestrate the best...also anticipate and preempt future issues, you're a solutions architect . You've evolved your skills into strategy through a… more
    BOOZ, ALLEN & HAMILTON, INC. (09/29/25)
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  • Principal Systems Engineer

    Shuvel Digital (Dulles, VA)
    Job Title: Principal Systems Engineer Location: Dulles, VA - Hybrid Duration: Contract Clearance: Active Secret. Must be able to obtain DHS Suitability. Must be able ... to address emerging threats. We are seeking a Principal Systems Engineer to assess, design, and develop automated cloud-based...or SPC) * AWS Cloud Practitioner * AWS Solutions Architect - Associate / Pro * DoD 8570.1 IAT… more
    Shuvel Digital (09/25/25)
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  • Mid-Level Systems Engineer

    TRIAEM, LLC (Chantilly, VA)
    GEOINT Systems Engineer Mid Location: Chantilly, VA or Springfield, VA Clearance Requirement: TS/SCI Overall Assignment Description: We are seeking a Mid-Level ... Systems Engineer with hands-on experience across the ...program, or equivalent Mid level experience as a Cloud Architect . . Understanding and demonstrated Mid-level working experience with… more
    TRIAEM, LLC (09/24/25)
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  • Sr. Systems Engineer

    Leidos (Fort Belvoir, VA)
    **Description** Leidos is seeking a **Sr. Systems Engineer** to support large-scale migration and operations on a large, high-profile DOD contract. The I3TS program ... internal and external mission partners operating in CONUS and OCONUS locations. The Sr Systems Engineer will deploy new Windows and Linux servers and systems and… more
    Leidos (09/23/25)
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