• Network Systems Engineer - TS/SCI w/Poly

    Parsons Corporation (Mclean, VA)
    …as Wireshark and system monitoring tools. + Familiarity with secure communications systems , system security principles, and network security ... + Support the configuration, management, and troubleshooting of encryptors, secure communication systems , and system -level security protocols. + Perform… more
    Parsons Corporation (09/09/25)
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  • Mid-Senior Network Engineer

    Infinity Systems Engineering (Alexandria, VA)
    …and Cisco switches. + Perform systems administration on Windows and Linux platforms (updates, security , troubleshooting, management). + Maintain secure high ... with us! Job Summary: We are seeking a skilled Systems Administrator /Network Engineer to join our mission-driven...plus) + Proficient in Linux and Windows system administration + Active CompTIA Security + CE… more
    Infinity Systems Engineering (09/30/25)
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  • Senior UNIX System Engineer

    TekSynap (Radford, VA)
    …via SOPs. **REQUIRED QUALIFICATIONS** **Experience** + Five (5) years as a UNIX Systems Administrator or IT Engineer, including task automation. + Three (3) ... maintain, and improve technical instructions, operating procedures, and policies. + Perform system hardening and report on security and operational status. +… more
    TekSynap (07/26/25)
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  • UNIX Systems Engineer

    GovCIO (Richmond, VA)
    …waived for 30 days after project join date. + 5+ yrs experience as a Unix Systems Administrator or IT Engineer with experience in automating assigned tasks. + 3+ ... position. **Responsibilities** This position is for a Senior UNIX System Engineer for a mixed and growing environment of...yrs experience in patch management with understanding how toapply security updates to systems via YUM and… more
    GovCIO (09/24/25)
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  • Principal Cyber Systems Engineer

    Northrop Grumman (Mclean, VA)
    …analyzing and implementing security changes to maintain and improve the overall system security posture. + Develop and maintain security auditing ... dashboards as directed by the Information Systems Security Manager (ISSM). + Experience with encryption and hashing algorithms, including implementing, and… more
    Northrop Grumman (09/17/25)
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  • TS/SCI Low Band System Software Support…

    Insight Global (Hampton, VA)
    …to user systems , servers, storage, and network connectivity. Additionally, this Systems Administrator will provide system administration for assigned ... infrastructure, establish and maintain system security , apply security patches, and perform...(Distributed Common Ground Systems ) experience - 3+ years of Airforce SIGINT (Signals Intelligence) experience - Linux /Unix… more
    Insight Global (09/24/25)
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  • Classified Lab Manager

    The MITRE Corporation (Mclean, VA)
    …a difference with us. Department Summary: The team seeks a full-time Senior Systems Administrator to support the deployment, operation, and maintenance of IT ... who has prior experience working as a classified IT Systems Administrator . This is an on-premises position...campus. Roles & Responsibilities: + Building and hardening Windows, Linux , Hypervisor systems , such as VMware +… more
    The MITRE Corporation (09/04/25)
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  • United States Postal Service (USPS) Incumbent…

    General Dynamics Information Technology (Fairfax, VA)
    …ISE Engineer + DNS/DHCP Network Engineer + Microsoft Power BI Developer + Principal Unix/ Linux Systems Administrator + VPN Network Engineer + Wi-Fi Engineer ... + IT Administrators + IT Administrative Analyst + IT System Administrator + IT Engineers + Mechanical...Client Support Administrator + Mail Processing Equipment Systems Administrator + Multi-Factor Authentication (MFA) Engineer… more
    General Dynamics Information Technology (09/19/25)
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  • Lab Manager II

    ARSIEM (Arlington, VA)
    …is looking for a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and ... acceptable performance and user accessibility, establish back-ups, and monitor systems security . + Troubleshoot and resolve complex...+ 2+ years of directly relevant experience as a Linux System Administrator . + 2+… more
    ARSIEM (09/16/25)
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  • Manager, System Development, WWPS Solutions…

    Amazon (Herndon, VA)
    …distributed teams. - Experience in Systems and Network Administration, System Reliability Engineering, or Application Security - Excellence in technical ... force in government? Do you have technology experience across infrastructure, security , applications, and compliance requirements such as National Institute of… more
    Amazon (09/16/25)
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