• MCL Systems Limited (Manassas, VA)
    System, Network, and Database Administrator Our Company MCL Systems Limited ( MCL ), is a Software development firm in the arena of telecom Billing and Operational ... infrastructure. Our infrastructure is a multi-site network cluster of Windows, Linux servers, SQL Server databases, and other supporting network hardware and… more
    job goal (12/13/25)
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  • Tyto Athene (Ashburn, VA)
    …+ Strong experience in enterprise IT environments as an applications or systems administrator . + Practical knowledge of Windows and Linux systems administration. ... + Administer and optimize enterprise IT applications and systems in Windows and Linux environments. + This role ensures that all systems, applications, and security… more
    DirectEmployers Association (11/01/25)
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  • Tyto Athene (Reston, VA)
    …both defensive and mission cyber considerations + Serve as Technical Lead and administrator for TALON Data Center and TALON lab IT infrastructure + Maintain data ... **Required:** 10+ years of experience with: **Core infrastructure operations:** Windows/ Linux , virtualization, storage, backups, and disaster recovery-standardized via infrastructure-as-code… more
    DirectEmployers Association (12/13/25)
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  • Linux Administrator

    CACI International (Chantilly, VA)
    Linux Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... Travel: None * * * We are seeking a highly skilled and motivated Linux Administrator to join our Federal IT Operations team. The successful candidate will manage… more
    CACI International (11/13/25)
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  • Linux Systems Administrator

    Nightwing (Sterling, VA)
    …intelligence community, defense, civil, and commercial markets. Nightwing is seeking a qualified Linux Systems Administrator to work with a close-nit team to ... a TS/SCI clearance + 3+ years of directly relevant experience in Linux System Administrator . + Proficiency in managing and maintaining Linux servers (eg,… more
    Nightwing (11/18/25)
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  • Senior Linux System Administrator

    General Dynamics Information Technology (Fairfax, VA)
    …,System Administration **Experience:** 8 + years of related experience **Job Description:** **Senior Linux System Administrator ** The position is for the Senior ... Linux System Administrator responsible for the servers that process data from...maintains its Authority to Operate (ATO). * Maintain all Linux -based servers and clients located on premises and in… more
    General Dynamics Information Technology (12/04/25)
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  • Linux Systems Administrator - TS/SCI…

    Parsons Corporation (Centreville, VA)
    …talent and redefine what's possible. **Job Description:** Parsons is seeking a mid-level Linux Systems Administrator . The candidate will support both Linux ... may be accepted in place of a degree + 15+ years experience with Linux operating systems, including installations, maintenance, and troubleshooting + Must be a US… more
    Parsons Corporation (12/06/25)
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  • Senior Linux System Administrator

    Leidos (Fairfax, VA)
    …well as IT Infrastructure Operations and Engineering support. Leidos is hiring a Senior Linux System Administrator to provide on-site support in Fairfax, VA at ... Qualifications** Bachelor's Degree with 12+ years' experience as a Unix System Administrator - Operational experience with RHEL8 and RHEL9. High school diploma with… more
    Leidos (12/12/25)
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  • System Administrator - Linux

    The Metamorphosis Group (Chantilly, VA)
    System Administrator - LINUX - TS/SCI FSP REQUIRED Chantilly, VA Apply Now Job Description The Metamorphosis Group, Inc, TMG, has an immediate opening for a ... Linux System Administrator , who shall be responsible for maintaining, scheduling, executing software and hardware upgrades, patches, and reconfigurations,… more
    The Metamorphosis Group (12/10/25)
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  • Linux Administrator - TS/SCI w/ Poly…

    V2X (Chantilly, VA)
    …versions of the relevant operating systems + Building and hardening Linux servers, and establishing configuration baselines + Applying all appropriate security ... configuration and all other areas of responsibility **Qualifications:** + Strong Linux administration experience + Experience working in an organization with… more
    V2X (11/08/25)
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  • Linux System Administrator with CI…

    Parsons Corporation (Centreville, VA)
    …what's possible. **Job Description:** Our Special Programs and Systems team is hiring Linux System Administrators with a passion for mission excellence in our High ... This role includes system design, configuration, and debugging of Linux systems. Note: this is a full time in-office...role. **What You'll Be Doing:** + Configure and maintain Linux mission systems + Triage system alerts and initiate… more
    Parsons Corporation (11/21/25)
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  • Systems Administrator

    Leidos (Chantilly, VA)
    …Desk/Systems Administrator . Your job will be supporting as a Linux administrator to provide system maintenance, systems performance optimization along ... make configuration updates to ensure 99.999% system availability requirements. + Analyze Linux log data to effectively administer and maintain Oracle Identity and… more
    Leidos (12/11/25)
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  • Senior System Cloud Administrator

    Insight Global (Herndon, VA)
    Job Description We are seeking a highly skilled Senior Linux Systems Administrator to join our IT infrastructure team. The ideal candidate will have a strong ... background in Linux system administration, Azure cloud environments, and scripting. You...that are repeatable. - Maintain and enhance existing systems administrator tools, and develop new tools, using available programming… more
    Insight Global (12/04/25)
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  • Linux Engineer

    Arena Technical Resources, LLC (Chantilly, VA)
    …CI Polygraph required The Systems Engineering team is seeking a driven Senior Linux /UNIX Systems Administrator that is highly technical and mission focused. This ... ideal candidate is ready to operate as aTIER 3 level Linux /UNIX Administrator , experienced in managing large amounts of data and storage at sites all over the… more
    Arena Technical Resources, LLC (11/29/25)
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  • Platform/Infrastructure Engineer

    Nightwing (Sterling, VA)
    Linux Certifications: Linux Professional Institute (LPI), Certified Linux System Administrator (CLSA). + Infrastructure-as-Code Certifications: Terraform ... and development of metrics to drive IT improvements. + Deliver Linux (RHEL, Ubuntu, Debian) administration experience, including package management, security… more
    Nightwing (09/26/25)
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  • Dev Sec Ops Engineer

    Lockheed Martin (Herndon, VA)
    …environments and applications: \-\- Red Hat Linux \-\- AWS \- Prior Linux systems administrator experience \- Prior experience working within SAFe or other ... Experience with Chef, Ansible, Gitlab or Docker \- Windows systems administrator experience **Security Clearance Statement:** This position requires a government… more
    Lockheed Martin (12/06/25)
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  • System Development Engineer, STRADA - Service…

    Amazon (Herndon, VA)
    …to launch a project on a trajectory to success? Amazon is seeking a Linux /Unix Systems Administrator /Engineer with the ability to automate day to day tasks ... and/or services from the ground up. A good candidate must have strong Linux /Unix Systems Administration knowledge, including shell scripting, and a proficiency in at… more
    Amazon (12/05/25)
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  • System Administrator

    Gromelski & Associates, Inc. (Manassas, VA)
    Administrator Desired Skills:_** + Experience troubleshooting and/or configuring Linux servers to include scripting. + Familiarity with Risk Management Framework ... **System Administrator ** Location **Manassas, VA** Job Category **Engineering** ID...databases, thin-clients, and domain servers. Background working in a Linux and Microsoft Windows environment. Maintains smooth operation of… more
    Gromelski & Associates, Inc. (11/21/25)
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  • Fidelis Administrator - Active TS/SCI…

    ENS Solutions (Reston, VA)
    …configure and manage operating system and application software as necessary. Support Linux & Windows systems engineering efforts in system design and evaluation, ... administration. Requirements + 3+ years of experience as a system administrator + Experience with installing or configuring devices, applications, and security… more
    ENS Solutions (09/27/25)
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  • Systems Administrator - TS/SCI…

    General Dynamics Information Technology (Chantilly, VA)
    …Family:** IT Infrastructure and Operations **Skills:** Apache Tomcat,IBM Cognos Administration, Linux **Experience:** 8 + years of related experience **US Citizenship ... Required:** Yes **Job Description:** Transform technology into opportunity as a Systems Administrator with GDIT. A career in enterprise IT means connecting and… more
    General Dynamics Information Technology (09/17/25)
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