• Sr or Lead zOS Mainframe Systems

    System One (Reston, VA)
    Job Title: Senior / Lead z/OS Mainframe Systems Engineer Location: Mostly Remote (Occasional Onsite is required in Reston/DC, and Onsite Interview Required) ... 12 + months Contract-to-Hire Overview We are seeking a Senior/Lead z/OS Mainframe Systems Engineer to support and modernize the client's mainframe platform. This… more
    System One (01/03/26)
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  • Systems Integration Engineer 4

    M. C. Dean (Vienna, VA)
    …client outcomes, improving lives, and changing the world for the better. As a Systems Integration Engineer 4, you will be working with a dynamic team ... at MC Dean, you will join forces with more than 5,800 professionals who engineer and deploy automated, secure and resilient power and technology systems ; and… more
    M. C. Dean (11/26/25)
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  • Electrical/Electronics Engineer (Pharos…

    Naval Sea Systems Command (Dahlgren, VA)
    …designs and materials/concepts, provide advice on specific technical aspects of the systems , and use innovative thinking to solve complex problems. You will ... of printed circuit boards, RF receivers and antennas, power conversion systems , and power generation/electro-mechanical interfaces on host platform systems .… more
    Naval Sea Systems Command (11/21/25)
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  • Lead Systems Engineer

    ManTech (Chantilly, VA)
    **MANTECH** is seeking a motivated, career and customer-oriented Lead Systems Engineer to join our team in Chantilly, VA. This is a position will be managing and ... or services. + Troubleshooting: Diagnose and resolve complex issues across hardware , firmware, OS, and application layers, often requiring deep-dive root cause… more
    ManTech (12/17/25)
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  • Systems Engineer - Structural and/or…

    Kapsch TrafficCom North America (Chantilly, VA)
    …on 130 years of experience with the future. We are seeking a highly skilled Systems Engineer with expertise in structural and/ or mechanical domains to lead ... global technology companies. With its comprehensive ITS (Intelligent Transportation Systems ) portfolio, Kapsch is actively addressing the challenges of the… more
    Kapsch TrafficCom North America (11/26/25)
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  • Systems Engineer

    Acclaim Technical Services (Reston, VA)
    …among DC area firms and continues to grow. We are actively hiring a Systems Engineer with TS/SCI clearance and polygraph supporting a new contract recently ... will have at least 7 years' experience using a holistic approach to systems engineering. Designs, develops, evaluates and modifies end-to-end systems and … more
    Acclaim Technical Services (11/18/25)
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  • Portfolio Systems Engineer , SR

    KBR (Chantilly, VA)
    Title: Portfolio Systems Engineer , SR Portfolio Systems Engineer , SR Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides ... Impactful Work: Your contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape the future of space defense.… more
    KBR (01/02/26)
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  • Senior Systems Engineer

    JHNA (Newport News, VA)
    Newport News, VA, USA | Full Time Senior Systems Engineer JHNA is currently seeking a talented Senior Systems Engineer to support our Army Aviation ... definition, analysis, requirement development, and implementation for complex aviation systems in support of mission objectives. + Assist Government personnel… more
    JHNA (12/23/25)
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  • CSfC Systems Engineer SME

    CACI International (VA)
    CSfC Systems Engineer SME Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage ... Up to 10% Type of Travel: Continental US * * * Seeking a Senior Systems Engineer to provide Subject Matter Expertise for Archon's Commercial Solutions for… more
    CACI International (11/19/25)
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  • SiteOps Data Center Production Operations…

    Meta (Ashburn, VA)
    …of technical IT experience within an infrastructure environment, in a role such as Systems Administrator, DevOps Engineer , or Site Reliability Engineer 19. ... **Summary:** Meta is seeking a forward thinking experienced engineer to join the Production Operations team within...IT professional with advanced, hands-on technical skills in server hardware and Linux - ideally in a Data Center… more
    Meta (12/20/25)
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