• Machine Learning Engineer - Senior

    SOS International LLC (Chantilly, VA)
    **Overview** SOSi is seeking a skilled Machine Learning Engineer to support a US government customer in Chantilly, VA. In this job you will work with other talented ... for new clearances. + Minimum 5 years of experience in a data science/ engineer role. + Experience developing and using agentic AI frameworks including Autogen. +… more
    SOS International LLC (07/25/25)
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  • Senior Mechanical Engineer

    Leidos (Reston, VA)
    …The Mission Solutions Business Area at Leidos is looking for a Mechanical Engineer to join our Reston, VA based team. The successful candidate will work ... on R&D findings to both fellow team members and government customers + Support field surveys in a variety of locations/environments to collect ground truth as part… more
    Leidos (09/26/25)
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  • Senior Software Engineer 4

    Huntington Ingalls Industries (Roanoke, VA)
    …- $140,000.00 Security Clearance: Ability to Obtain Level of Experience: Senior Employee Referral Amount: $3,000.00 Meet HII's Mission Technologies Division Our ... for this position will be responsible for leading reverse engineering efforts into systems of interest and mentoring junior engineers in the reverse engineering and… more
    Huntington Ingalls Industries (09/03/25)
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  • Senior Software Engineer…

    ICF (Reston, VA)
    …an integrated solution. **The work:** We are looking for a **Backend Software Engineer ** with solid fundamentals in backend development and expertise in the Node.js ... degree in computer science, Information Technology, or a related field . + 5+ years of experience in backend development...like .NET or Java. + Proficient with version control systems like Git and deployment tools. + Experience with… more
    ICF (09/26/25)
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  • Project Engineer , Senior

    M. C. Dean (Ashburn, VA)
    …telecommunications, life safety, automation and controls, audiovisual, and IT systems . Headquarters in Tysons, Virginia, MC Dean delivers resilient, secure, ... innovative power and technology solutions through engineering expertise and smart systems integration. **Why Join Us?** Our people are passionate about engineering… more
    M. C. Dean (09/20/25)
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  • Principal /Sr. Principal Cyber Systems…

    Northrop Grumman (Fairfax, VA)
    …instruction, demos, and training to individuals and groups. **Basic Qualifications for a Senior Principal Cyber Systems Engineer :** + A security clearance ... and developing skills, whether you are new to the field , or an industry thought leader. At Northrop Grumman,...you to join our team as a Principal Cyber Systems Engineer or Sr. Principal Cyber … more
    Northrop Grumman (08/22/25)
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  • Senior Software Engineer (S)

    SimIS Inc. (Dahlgren, VA)
    …listed position and is contingent upon award. Job Description: SimIS, Inc. seeks Senior Software Engineers to lead software development for simulation systems , ... This position involves developing and maintaining software for training simulation systems including scenario development tools and system interfaces. The candidate… more
    SimIS Inc. (09/22/25)
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  • OPIR Systems Engineer

    KBR (Chantilly, VA)
    …resulting collected data into useful information distributed to IC and DoD users. As a Senior OPIR Systems Engineer , you will be responsible for providing ... Title: OPIR Systems Engineer Belong. Connect. Grow. with...communications and operational interfaces, specifications, CONOPS. + Assets: Operational field experience with deployed OPIR assets, field … more
    KBR (09/30/25)
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  • Senior Staff Software Engineer

    Leidos (Newport News, VA)
    …Leidos' National Security Sector has current job opportunities for talented ** Senior Staff Software Engineers** . The successful candidate will work collaboratively ... software developers and engineers to continue to produce and field software on behalf of the US Air Force....architect, design, build, and enhance highly available and scalable systems used by Air Force customers worldwide. You will… more
    Leidos (09/22/25)
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  • Senior Software Engineer

    Leidos (Charlottesville, VA)
    …Leidos' National Security Sector has current job opportunities for talented ** Senior Software Engineers** . The successful candidate will work collaboratively with ... software developers and engineers to continue to produce and field software on behalf of the US Air Force....architect, design, build, and enhance highly available and scalable systems used by Air Force customers worldwide. You will… more
    Leidos (09/22/25)
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