• Mid-Senior Network Engineer

    Infinity Systems Engineering (Alexandria, VA)
    …+ Configure, manage, secure, and troubleshoot Juniper and Cisco switches. + Perform systems administration on Windows and Linux platforms (updates, security, ... with us! Job Summary: We are seeking a skilled Systems Administrator /Network Engineer to join our mission-driven...configuration (Cisco experience is a plus) + Proficient in Linux and Windows system administration + Active… more
    Infinity Systems Engineering (10/29/25)
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  • System Admin - Advanced Electronic Systems

    Lockheed Martin (Virginia Beach, VA)
    …skills associated with computer based maintenance related to digital processing systems /subsystems utilizing Linux , Microsoft, and/or other operating systems ... Radar Operations in a military/civilian environment\. System Administration experience i\.e\., LINUX , Red Hat, Windows Active Directory\. Facility maintenance… more
    Lockheed Martin (09/20/25)
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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 ... configuration management and deployment across Windows , macOS, Linux /Unix, and other operating systems and virtual...+ 2+ years of directly relevant experience as a Linux System Administrator . + 2+ years of… more
    ARSIEM (11/12/25)
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  • Cyber Security Engineer

    BAE Systems (Herndon, VA)
    …Engineers with a minimum of eleven (11) years' experience. + Strong knowledge of Windows and Linux operating systems + Familiarity with system hardening, ... premise, and via remote Cloud services. As a mission-focused administrator that solves problems on the program, you will...Platforms: + Security Tools: Splunk, Rapid 7 + Operating Systems : Windows Server, RHEL/CentOS, Ubuntu + Compliance… more
    BAE Systems (09/09/25)
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  • Network Lead C4I Systems SURTASS Field…

    Serco (Virginia Beach, VA)
    …Marine Technician, Hydroacoustic Technician, Underwater Systems Technician, Network Systems Electrician, Network Systems Administrator , Network ... position that leverages your technical experience with integrated ship systems and high-profile problem solving? Join the Serco team...may be substituted in lieu of a degree. + LINUX , UNIX, Windows (or equivalent) unclassified and… more
    Serco (10/01/25)
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  • Information System Security Engineer (ISSE)

    Assertive Professionals (Chantilly, VA)
    … Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016. + Securing and monitoring Linux & Microsoft Windows desktops, ... VOIP, and VTC devices + Administering, securing and monitoring enterprise level Windows and Linux network infrastructures Desired Experience and Qualifications:… more
    Assertive Professionals (10/09/25)
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  • Security Software Engineer - Red Team Penetra

    Imagine One Technology & Management (Dahlgren, VA)
    …+ Operate and administrate computer systems running HP-UX, UNIX, Solaris, Linux and Microsoft Windows . + Identify security flaws in compiled and ... to: + Debug and reverse engineer software. + Analyze Windows Events and Linux syslog's, boot logs...systems . + Five (5) Years experience in: 1. Linux - firm grasp/demonstrated knowledge 2. Associated Training: COMPTIA… more
    Imagine One Technology & Management (09/24/25)
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  • Platform/Infrastructure Engineer

    Nightwing (Sterling, VA)
    …Tier 2/3 escalation. Required Skills: + Operating Systems : Strong understanding of Linux and/or Windows Server operating systems . + Networking: Knowledge ... Linux Certifications: Linux Professional Institute (LPI), Certified Linux System Administrator (CLSA). + Infrastructure-as-Code Certifications: Terraform… more
    Nightwing (09/26/25)
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  • System Support-US Citizens Only - TS/SCI FS Poly…

    The Metamorphosis Group (Chantilly, VA)
    …officer with security-controlled systems . + Demonstrated experience as an Oracle LINUX Systems Administrator . + Demonstrated experience in Oracle EXADATA ... administration. + Demonstrated experience with LINUX systems engineering and administration. + Demonstrated experience with Windows systems engineering… more
    The Metamorphosis Group (11/08/25)
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  • Sr Field Service Engineer

    Scientific Research Corporation (Norfolk, VA)
    …Operator/Maintainer + 745A: Information Systems Technician + 746A: Information Systems Administrator Clearance Information SRC IS A CONTRACTOR FOR THE ... onboard naval submarines + Performing software installations and system backups on all Windows and Red Hat Linux CSRR components + Performing corrective… more
    Scientific Research Corporation (11/12/25)
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