• Senior System Administrator (C)

    SimIS Inc. (Dahlgren, VA)
    …SimIS Inc seeks a Senior System Administrator to provide combat system simulation support to the Warfare Analysis and Digital Modeling (M) Combat System Simulations ... solutions that are within Government security guidelines and maintain network infrastructure and processes that ensure network architectures can be accredited for… more
    SimIS Inc. (11/06/25)
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  • Professional Services Consultant - Data Security

    Proofpoint (Reston, VA)
    …Management, Endpoint Security, and/or Cloud Security concepts. + Proficiency in Windows Server environment; experience with web infrastructure components like ... as third party DLP solutions (Microsoft + Symantec DLP offerings) to support migrating legacy solutions to the Proofpoint Data Security Posture Platform.… more
    Proofpoint (01/14/26)
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  • V2X Test and Development Engineer

    Leidos (Mclean, VA)
    …mobility, and environmental impacts. STOL provides a variety of services to support the advancement and adoption of emerging technologies, including automation and ... of a team developing and extending a variety of applications and components in support of transportation research. This person will play a role in developing and… more
    Leidos (01/04/26)
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  • Cyber Automation Engineer

    BOOZ, ALLEN & HAMILTON, INC. (Reston, VA)
    …Certification + Ability to obtain a DoD 8570.01-M Cybersecurity Service Provider - Infrastructure Support Certification such as CEH, CHFI, CFR, Cloud+, or CND ... ) platform within complex client environments. Leverage an understanding of IT infrastructure , networking, and security tools to ensure seamless data onboarding and… more
    BOOZ, ALLEN & HAMILTON, INC. (12/30/25)
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  • Engineer, Software & Information Platform

    Cardinal Health (Richmond, VA)
    …to less experienced colleagues **Responsibilities:** + Design, implement, and support BI platform administration including infrastructure builds, upgrades, ... manages the technical configuration, design, administration, development, implementation and support of application and information frameworks that the organization's… more
    Cardinal Health (12/19/25)
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  • Cses III - Firewall Engineer

    CACI International (Springfield, VA)
    …or related field + DOD 8570 IAT Level III certification. Must obtain a CSSP Infrastructure Support certification within 6 months of date of hire. + Ability to ... research, analyze, and implement enterprise-wide network security solutions/capabilities/enhancements to support customer business/mission goals and objectives. + Assists with… more
    CACI International (12/18/25)
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  • Lead Network Engineer

    The MITRE Corporation (Mclean, VA)
    …us. Department Summary: The team seeks a full-time Lead Network Engineer to support the deployment, operation, and maintenance of IT systems in Classified lab ... on our McLean Va campus. Roles and Responsibilities: + MITRE's Classified Infrastructure Services team (Special Programs) is looking for a Lead Network Engineer… more
    The MITRE Corporation (12/17/25)
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  • Regional Environmental Engineer, AWS Environmental

    Amazon (Herndon, VA)
    …in Virginia. You will develop standards, programs and policies to support regulatory compliance, complete environmental performance and gap analyses, prepare ... key stakeholders. You will have an opportunity to lead and/or actively support large-scale compliance projects, including those spanning several regions. *This role… more
    Amazon (11/25/25)
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  • Cloud Software Engineer

    Parsons Corporation (Charlottesville, VA)
    …a Senior Technical Officer develop, install, and manage new software in support of emerging requirements + Software configuration management using Git or similar ... tools + Support periodic design reviews + Support Agile...and troubleshoot issues on common Operating Systems (eg MacOS, Windows , Linux, yum/brew) + Great interpersonal and communications skills,… more
    Parsons Corporation (11/24/25)
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  • Cyber Host Forensic Analyst IV

    Nightwing (Sterling, VA)
    …advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our ... The DHS's Hunt and Incident Response Team (HIRT) secures the nation's infrastructure . HIRT provides DHS's front-line response for cyber incidents and proactive… more
    Nightwing (11/06/25)
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