• Cleared Jobs (Tampa, FL)
    GDIT has an immediate opening for a Senior Systems Administrator /Task Lead/Manager to fill a Core Services management position on the CITS contract for ... accurate records and documentation for the tasks. Prepare regular reports for senior management and clients outlining the status, progress, and performance of core… more
    Talent (07/14/25)
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  • grabjobs (Fort Meade, MD)
    …Advanced Penetration Tester (GXPN), GIAC Python Coder (GPYC), GIAC Certified Unix Security Administrator (GCWN), Offensive Security Exploitation Expert (OSEE), ... Advanced Penetration Tester (GXPN), GIAC Python Coder (GPYC), GIAC Certified Unix Security Administrator (GCWN), Offensive Security Exploitation Expert (OSEE),… more
    Talent (07/11/25)
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  • Senior Systems Administrator

    First Division Consulting (Dahlgren, VA)
    …contingent on contract award** Position Overview: First Division Consulting is seeking a Senior Unix /Linux Systems Administrator to support a Department of ... Evaluation) environments, ensuring the functionality, security, and efficiency of Unix /Linux-based systems, networks, and software infrastructure. The ideal candidate… more
    First Division Consulting (06/19/25)
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  • Sr. Linux/ Unix Administrator

    S4 Inc. (Omaha, NE)
    …experience Job Listing Number: NE25002 LCAT: Senior Network and Computer Systems Administrator Overview: S4 Inc. has a Sr. Linux/ Unix System Administrator ... | Full Time | Comprehensive and competitive benefits Job Title: Sr. Linux/ Unix Administrator Work Location: USSTRATCOM Offutt AFB Clearance: TS/SCI Education:… more
    S4 Inc. (07/09/25)
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  • Systems Administrator (Trillium,…

    SAIC (Ashburn, VA)
    …**Position Summary** We are currently seeking a motivated, career and customer-oriented Systems Administrator ( Senior ) to join our team in Ashburn, VA to begin ... an exciting and challenging career. **Candidates must be proficient in Unix , Linux, and Tomcat. Candidates must also have Trillium experience** **Job… more
    SAIC (07/08/25)
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  • Senior Engineer, UNIX

    WM (Houston, TX)
    …and administration of complex networks and computer systems pertaining to UNIX and/or Linux operating systems. **II. Essential Duties and Responsibilities** + ... technical support and resolves complicated or ambiguous problems regarding UNIX /Linux-based networks, hardware and software. + Develops strategies for complex… more
    WM (07/11/25)
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  • Database Administrator - II, Senior

    Southwest Power Pool (Little Rock, AR)
    …location will all be considered during the hiring process. Lead Database Administrator Pay Range: $109,500.00 - $142,250.00 Senior Database Administrator ... standards and procedures + Collaborate across departments and with external stakeholders ** Senior Database Administrator - Remote Eligible** As a Sr. DBA,… more
    Southwest Power Pool (07/18/25)
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  • Systems Administrator - Senior

    General Dynamics Information Technology (Fort Shafter, HI)
    …of related experience **US Citizenship Required:** Yes **Job Description:** **Systems Administrator Senior - TS/SCI required** Transform technology into ... opportunity as a **Systems Administrator Senior ** with GDIT. A career in...involved in the resolution process + Configure and manage UNIX and Windows operating systems + Install/load operating system… more
    General Dynamics Information Technology (07/16/25)
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  • Senior System Administrator

    CACI International (Annapolis Junction, MD)
    Senior System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... highest standards of service and reliability. We're looking for a skilled System Administrator to join our team and help maintain, troubleshoot, and optimize a wide… more
    CACI International (05/02/25)
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  • Senior System Administrator (Linux)

    TISTA Science and Technology (Austin, TX)
    Overview TISTA is looking for a Senior Systems Administrator to manage teams, prioritize work, and handle critical problems. You'll provide patching support, ... + Serves as part of the technical team of Linux/ Unix System Administrators (SA) who oversees, manage and assists...and performs proper incident handoff to the next shifts Senior Linux SA team lead, and facilitates discussion with… more
    TISTA Science and Technology (05/29/25)
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  • Senior Systems Administrator

    CACI International (Annapolis Junction, MD)
    Senior Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... * * * **The Opportunity:** CACI is seeking a Senior Linux Systems Administrator to provide support... will Configure and manage primarily Windows and some UNIX operating systems and installs/loads operating system software, troubleshoots,… more
    CACI International (07/10/25)
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  • Senior Tenable Nessus Administrator

    CACI International (Chantilly, VA)
    Senior Tenable Nessus Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular ... * * **The Opportunity:** CACI is looking for a Senior Tenable Administrator to support our DoD...Engine, Nessus Network Monitor, and Security Center on both Linux/ Unix and Windows based environments + Ensure compliance with… more
    CACI International (06/24/25)
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  • Senior Programmer/Analyst ( Senior

    SUNY College of Environmental Science and Forestry (Syracuse, NY)
    …2025 Job Description: Budget Title: Senior Programmer/Analyst Campus Title: Senior Network Administrator Unit: Computing and Network Services Professional ... the position of Senior System Developer. The Senior Network Administrator ( Senior Programmer/Analyst)...+ Working knowledge in the areas Windows Server and Unix /Linux use/administration. + Experience setting up and maintaining VMWare… more
    SUNY College of Environmental Science and Forestry (05/02/25)
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  • Senior Linux Systems Administrator

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... in National** **Security!** Join our team as a **Linux Systems Administrator ** , where you'll provide crucial support for the implementation, troubleshooting,… more
    Leidos (07/16/25)
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  • Systems Administrator , Senior

    BOOZ, ALLEN & HAMILTON, INC. (Arlington, VA)
    Systems Administrator , Senior The Opportunity: Your combination of people skills and te chn ical expertise makes you the team hero, solving one problem after ... Defense ( DoD ) ? We're looking for a senior systems administrator who spe cia lizes...SCCM, Hyperflex, or SolarWinds + Knowledge of Windows and Unix operating systems + Ability to author, interpret, and… more
    BOOZ, ALLEN & HAMILTON, INC. (07/19/25)
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  • Systems Administrator , Senior

    BOOZ, ALLEN & HAMILTON, INC. (Washington, DC)
    Systems Administrator , Senior The Opportunity: Your combination of people skills and technical expertise makes you the team hero, solving one problem after ... Defense ( DoD ) ? We're looking for a senior systems administrator who spe cia lizes...Directory, SCCM, Hyperflex, SolarWinds + Knowledge of Windows and Unix operating systems + Ability to author, interpret, and… more
    BOOZ, ALLEN & HAMILTON, INC. (06/30/25)
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  • Senior Systems Administrator

    Integration Innovation, Inc. (i3) (Washington, DC)
    Overview i3 is seeking a Senior Systems Administrator to support the Naval Research Laboratory, Tactical Electronic Warfare Division. The TEWD's mission is to ... instant clone virtual machines that are a mix of Unix based and Windows based systems. + Plan and...vCenter 7.X to 8.X) + Maintain both Windows and Unix systems in both virtual and physical capacities in… more
    Integration Innovation, Inc. (i3) (05/08/25)
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  • High Performance Computing (HPC) System…

    RTX Corporation (Tucson, AZ)
    …eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret **System Administrator , High Performance Computing (HPC) - P2** ** Senior Analyst ... problems that create a safer, more secure world. **Job Summary:** This Senior Analyst (P2) High-Performance Computing (HPC) candidate will provide Raytheon Digital… more
    RTX Corporation (07/13/25)
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  • Senior Network Administrator

    Cambridge International Systems Inc (Doral, FL)
    …and complex obstacles! Cambridge International Systems, Inc. has a full-time Senior Network Administrator opportunity available based in Panama. Qualified ... in the resolution process. + Configures and manages Windows, LINUX and UNIX operating systems. Installs/loads operating system software. + Trouble shoots, maintains… more
    Cambridge International Systems Inc (07/10/25)
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  • Senior Systems Administrator

    Amentum (Albuquerque, NM)
    …seven continents and is headquartered in Chantily, VA We are currently seeking a ** Senior System Administrator ** to support an IT Managed Services program in ... + 100% onsite + Windows Server System Administration & UNIX experience at least 1-3 years + Linux Server...least 1-3 years + Linux Server System Administration & UNIX experience at least 1-3 years + Familiarity with… more
    Amentum (07/02/25)
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