• Senior Systems Engineer (S)

    SimIS Inc. (Dahlgren, VA)
    …This position provides technical leadership for complex simulation and training systems including requirements analysis, system integration, verification and ... activities from requirements through deployment + Experience with Distributed Interface System (DIS) and High-Level Architecture (HLA) compliant systems +… more
    SimIS Inc. (12/22/25)
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  • Systems Engineer - Expert

    TRIAEM, LLC (Springfield, VA)
    …Process, PPBES Process or system engineering of large complex System of Systems or Service Oriented Architecture/Cloud environments. . Experience ... Systems Engineer (Expert) with TS/SCI Overall Assignment Description:...test and evaluation, maintainability and analysis across the National System of Geospatial-intelligence (NSG), Allied System of… more
    TRIAEM, LLC (12/05/25)
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  • Systems Engineering Lead

    SAIC (Chantilly, VA)
    system deployments, operations , and maintenance. + Collaborate with system developers to enhance, troubleshoot, and maintain systems . + Ensure mission ... connected environment. **Qualifications** **Required Qualifications:** + Extensive experience in systems engineering, specifically with SIGINT system design. +… more
    SAIC (11/06/25)
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  • OPIR Systems Engineer

    KBR (Chantilly, VA)
    Operations Acceptance Review (OAR) + Function as the interface between the system users, the program office, and the systems developers to ensure that ... IC principles, procedures Desired Qualifications: + Experience with existing OPIR systems + Space-Based Infra-Red Satellite/ System (SBIRS) Defense Support… more
    KBR (10/28/25)
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  • System Admin Engineer

    RGP (Glen Allen, VA)
    The System Administrator Engineer is a hands-on platform operations and systems engineering role responsible for the reliability, security, performance, and ... (with Data Hydration), and partnering with Release & Compliance to keep systems auditready and Veteran-focused. Platform Operations & Environment Management +… more
    RGP (01/01/26)
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  • Information System Security Officer ISSO

    TekSynap (Ashburn, VA)
    **Responsibilities & Qualifications** **R** **ESPONSIBILITIES** Information System Security Officer (ISSO) acts as the Designated Person(s) assigned to one or more ... existing FISMA Systems of Record as well as new IT ...an Authority to Operate (ATO) and follow-on Continuous Monitored system . As a Designated ISSO, they will sign a… more
    TekSynap (10/25/25)
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  • Unix System Engineer

    General Dynamics Information Technology (Fairfax, VA)
    … **Skills:** Backup and Recovery (Software),Disaster Recovery Planning,Information Systems **Certifications:** Project Management Professional (PMP) | Project ... **Qualifications** **:** **Required Qualifications:** + 5 Years Experience supporting RHEL/CentOS Systems + Red Hat Certified System Administrator (RHCSA6/7/8)… more
    General Dynamics Information Technology (01/13/26)
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  • ISSE

    System One (Reston, VA)
    …- 100% ONSITE Compensation: $200,000/year Join our dynamic team as an Information System Security Engineer (ISSE) and make a direct impact on our customer's mission. ... cybersecurity solutions to ensure the availability and security of critical defense systems . You'll be a vital part of the Risk Management Framework (RMF)… more
    System One (12/26/25)
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  • Information Systems Security Manager

    M. C. Dean (Vienna, VA)
    …Managers. + Ensure alignment and effective collaboration among cybersecurity, information systems infrastructure, and software development and operations teams ... concepts, platforms, and technologies, including Microsoft Windows and/or Linux operating systems , and system virtualization (multiple hypervisors) in a secure… more
    M. C. Dean (12/13/25)
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  • Senior Systems Engineer Tier III

    UIC Government Services and the Bowhead Family of Companies (Quantico, VA)
    **Overview** SENIOR SYSTEMS ENGINEER | TIER III (MIELS): Bowhead is seeking Senior Systems Engineers to support a customer in Stafford, VA. Support for the ... financial management; information assurance; cybersecurity; and 24X7 enterprise services operations and sustainment. **Responsibilities** + Provide advanced technical support… more
    UIC Government Services and the Bowhead Family of Companies (01/09/26)
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