• Sr. Systems Admin

    Nightwing (Sterling, VA)
    Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' ... technical services to enable customer mission accomplishment. The ServiceNow System Administrator maintains the stability and usability of the ServiceNow platform by… more
    Nightwing (09/05/25)
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  • Technical Engagement Network (TEN) Lab…

    BCMC (Arlington, VA)
    …seeking a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and deployment of ... acceptable performance and user accessibility, establish back-ups, and monitor systems security . - Troubleshoot and resolve complex...years of directly relevant experience as a Linux System Administrator . - 2+ years MacOS and iOS experience. -… more
    BCMC (11/21/25)
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  • Systems Administrators (Nite)

    Huntington Ingalls Industries (Virginia Beach, VA)
    …We Are HII Mission Technologies is seeking a highly skilled and motivated Systems Administrator to support the Navy Integrated Training Environment (NITE) ... Type: Full Time/Salaried/Exempt Anticipated Salary Range: $60,770.00 - $115,003.20 Security Clearance: Secret Level of Experience: Mid This opportunity resides… more
    Huntington Ingalls Industries (10/01/25)
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  • Cyber Security Specialist 4

    M. C. Dean (Springfield, VA)
    …with 12+ years of experience with installation, troubleshooting and/or testing of electronic security systems or + Associates with 10+ years of experience or ... **Cyber Security Specialist 4** to join our ** Security and Electronic Systems (SES)** business Unit....+ Master's Degree with 5+ years experience + System administrator experience in performing triage on system problems, resolving… more
    M. C. Dean (11/15/25)
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  • Senior Information System Security Officer

    The MITRE Corporation (Mclean, VA)
    … Security Services Division (R300) is looking to fill a Senior Information Systems Security Officer position, with a focus on classified environments. The ... and other security documentation. + Serve as the Senior Information Systems Security Officer (ISSO), maintaining operational security posture and… more
    The MITRE Corporation (10/25/25)
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  • Security Control Assessor (SCA) (TS/SCI)

    Tau Six (Chantilly, VA)
    … to join a team of security professionals and help defend national security systems . Tau Six, an agile small company delivering cutting edge cybersecurity ... and systems integration services to the US National ...security relevant applications. + Experience as a System Administrator , Information System Security Manager, or Information… more
    Tau Six (10/22/25)
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  • Systems Engineer - Platform - active TS/SCI…

    V2X (Springfield, VA)
    …battlefield. We bring 120 years of successful mission support to improve security , streamline logistics, and enhance readiness. Aligned around a shared purpose, our ... challenges with integrity, respect, responsibility, and professionalism. We are hiring for a Systems Engineer - Platform - active TS/SCI clearance for our Systems… more
    V2X (09/12/25)
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  • Chief Engineer Cyber IT Program

    BAE Systems (Sterling, VA)
    …the challenge of applying cutting edge Information Technologies with challenging national security missions? The BAE Intelligence & Security Sector is seeking ... architecture, development, integration, operations, and sustainment of enterprise IT systems including both on-premises infrastructure (networks, computing, storage, desktops)… more
    BAE Systems (09/09/25)
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  • Principal Network Systems Engineer

    Saliense Consulting (Arlington, VA)
    …best practices and cutting technology. + Manages team responsible for systems engineering, security engineering, and workstation and server vulnerability ... is now hiring a Senior Technical Consultant (Principal Network Systems Engineer) to join our team in support of...VLAN/LAN/WAN environment + Experience in installation and testing of security patches and cyber security products. +… more
    Saliense Consulting (10/01/25)
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  • Cyber Security Analyst SME - TS/SCI w/…

    General Dynamics Information Technology (Mclean, VA)
    …solutions are developed. + Strong understanding of cloud environments and assessing systems within cloud environments focusing on security posture. + Experience ... Description:** Seize your opportunity to make a personal impact as a Cyber Security Analyst SME supporting customer activities. GDIT is your place to make meaningful… more
    General Dynamics Information Technology (10/01/25)
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