• Hypersonic Senior Systems Engineer

    Leidos (Arlington, VA)
    …is looking for experienced engineers with a Hypersonics Aerospace background to lead Systems development and Modeling and Simulation (M&S) efforts based in the ... Candidates are expected to generate solutions for technical issues in hypersonic weapons system development . Candidates will also be expected to support … more
    Leidos (12/20/25)
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  • OPIR Systems Engineer

    KBR (Chantilly, VA)
    …overseeing delivery activities from RFC review through Operations Acceptance Review (OAR) + Systems : Function as the interface between the system users, the ... Desired Qualifications: + Systems : Experience with existing OPIR systems + Satellite: Space-Based Infra-Red Satellite/ System (SBIRS) Defense Support… more
    KBR (12/29/25)
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  • Specialist, Software Architect Systems

    L3Harris (Ashburn, VA)
    …for performing software system troubleshooting and characterizing the software's system performance. The Agile Development Group (ADG) specializes in ... software-hardware integration requirements for unmanned vehicles. + Embrace agile software development and model-based systems engineering (MBSE) processes to… more
    L3Harris (12/05/25)
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  • SolarWinds Engineer

    System One (Alexandria, VA)
    …federal enterprise environment. The ideal candidate will work closely with system administrators and network teams to ensure optimal performance, security, and ... needed + Document and provide Lessons Learned if applicable Application Growth and Development + Create custom dashboards for remote and domestic users and groups,… more
    System One (12/26/25)
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  • Brand and Product Marketing Specialist

    System One (Ashburn, VA)
    …with team members to deliver holistic marketing campaigns from strategy development through execution. * Collaborate with business stakeholders, marketing leaders, ... and referral behavior across paid, owned, and earned channels. * Support the development of campaign briefs and for a range of marketing campaigns and channels… more
    System One (12/26/25)
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  • Information Systems Security Manager

    M. C. Dean (Vienna, VA)
    …operations teams to design, implement, and maintain cybersecurity controls and secure system development practices consistent with the established policies and ... System Security Manager (ISSM) is responsible for the development , implementation, and continuous improvement of cybersecurity functions for multiple critical… more
    M. C. Dean (12/13/25)
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  • Senior Security Systems Engineer

    Imagine One Technology & Management (Dahlgren, VA)
    …military system specifications, DoD Cybersecurity policies for both land-based, afloat/tactical systems , or System Security Plan (SSP) CSSE, and the ability ... & Management, Ltd. is seeking two (2) **Senior Security Systems Engineers** . These positions are contingent upon award... Engineering (MBSE), cyber testing, cyber test analysis, or development of secure computing system architectures. +… more
    Imagine One Technology & Management (12/24/25)
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  • Systems Administrator

    CACI International (Norfolk, VA)
    …operation of business systems + Support mainframe, mini, or client/server based systems + Optimize system operation and resource utilization + Conduct basic ... Provide assistance to users in accessing and using business systems + Perform system maintenance and updates...: + Hands-on technical experience + Exposure to enterprise systems + Security awareness development + Process… more
    CACI International (12/05/25)
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  • Senior Systems Engineer (MBSE) (Onsite)

    RTX Corporation (Dulles, VA)
    …traceability of requirements to technical solutions. This role involves developing and maintaining system models using tools such as Cameo Systems Modeler, as ... Cameo Systems /Architecture Modeler to create, analyze, and maintain detailed system models, utilizing SysML, UML, and other relevant modeling languages to… more
    RTX Corporation (10/13/25)
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  • Entry Level - Associate Systems Engineer

    The MITRE Corporation (Mclean, VA)
    …support the development , deployment, and lifecycle management of complex systems . + Contribute to requirements engineering, system architecture and design, ... Collaborate with multidisciplinary teams to solve problems across the system lifecycle, from concept development to ...and model-based testing. + Agile and DevSecOps practices for systems development and delivery. + Systems more
    The MITRE Corporation (01/09/26)
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