• Senior Systems Administrator

    TekSynap (Dahlgren, VA)
    …is seeking a **S** **enior S** **ystem** ** Administrator ( Unix /Linux).** The Senior Systems Administrator ( Unix /Linux) serves as Key Personnel ... for Unix /Linux environments within the Navy enterprise. The Senior Systems Administratoris responsible forconfiguration, optimization, and sustainment of… more
    TekSynap (10/31/25)
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  • Senior Unix System

    SMX (Patuxent River, MD)
    Senior Unix System Administrator (4608)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is seeking a driven and ... systems across Department of Defense (DoD) networks. The Senior UNIX Administrator will ensure...of Defense (DoD) enclaves + Mentor and support junior UNIX /Linux System Administrators by providing technical guidance… more
    SMX (10/18/25)
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  • Senior Linux/ Unix Systems

    SMX (Dahlgren, VA)
    Senior Linux/ Unix Systems Administrator (4419)at SMX(View all jobs) (https://www.smxtech.com/careers/) Dahlgren, VA SMX is looking for a highly motivated ... Senior Linux/ Unix Administrator to join...Warfare Center Dahlgren Division (NSWCDD) in Dahlgren, VA. The Senior Systems Administrator will work… more
    SMX (10/18/25)
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  • Unix /Linux Administrator

    Link Solutions Inc (Sierra Vista, AZ)
    …for CMMI ML3 for Services and Development. Link Solutions Inc. is seeking a Unix /Linux Administrator ( Senior -Level) to join our team in Sierra Vista, ... Citizen + Active DoD Security Clearance + Non-remote (relocation incentive available) The Unix /Linux Administrator will provide services in support of the US… more
    Link Solutions Inc (10/28/25)
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  • Sr. Linux/ Unix Administrator

    S4 Inc. (Omaha, NE)
    …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. (10/08/25)
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  • UNIX Administrator

    ASM Research, An Accenture Federal Services Company (Hartford, CT)
    Designs, configures, implements, and maintains UNIX hardware and operating system environments including Red Hat Enterprise Linux (RHEL), HP-UX, and Solaris. ... or a related field + Seven (7) years of systems administration experience on UNIX operating ...technical authority. DLA CE Cert IA Role/Function: Server Admin UNIX /Linux Operating System **Other Job Specific Skills**… more
    ASM Research, An Accenture Federal Services Company (10/18/25)
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  • Linux Engineer

    Arena Technical Resources, LLC (Chantilly, VA)
    …current CI Polygraph required The Systems Engineering team is seeking a driven Senior Linux/ UNIX Systems Administrator that is highly technical and ... NEED TO SUCCEED Basic Qualifications: - Ten (10) years' experience as aLinux/ UNIX Systems Administrator supporting complex, multi-site enterprise-scale… more
    Arena Technical Resources, LLC (10/25/25)
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  • Senior UNIX System Engineer

    TekSynap (Radford, VA)
    …protocols via SOPs. **REQUIRED QUALIFICATIONS** **Experience** + Five (5) years as a UNIX Systems Administrator or IT Engineer, including task automation. ... degree in computer science or equivalent experience. **Overview** We are seeking a Senior UNIX System Engineerto join our team supporting an ITES task order.… more
    TekSynap (10/25/25)
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  • Sr. UNIX Systems Engineer

    CGI Technologies and Solutions, Inc. (Radford, VA)
    …located in Radford, VA. **Your future duties and responsibilities:** This position is for a Senior UNIX System Engineer for a mixed and growing environment ... Time **Position Description:** CGI Federal is looking for a UNIX system engineer to help support a...Clearance. e) Five or more years' experience as a Unix Systems Administrator or IT… more
    CGI Technologies and Solutions, Inc. (10/29/25)
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  • Senior High Performance Computing…

    BAE Systems (Saratoga Springs, UT)
    …who serve our nation. We are seeking High Performance Computing Systems Administrator with demonstrated experience in system administration in support of a ... Other incentives may be available based on position level and/or job specifics. ** Senior High Performance Computing Systems Administrator ** **116451BR** EEO… more
    BAE Systems (09/19/25)
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  • UNIX Systems Engineer

    GovCIO (Concord, NH)
    …in Radford, VA and will be a remote position. **Responsibilities** This position is for a Senior UNIX System Engineer for a mixed and growing environment of ... environment. This position will plan, execute and implement new system HW and SW and create and maintain team...project join date. + 5+ yrs experience as a Unix Systems Administrator or IT… more
    GovCIO (09/24/25)
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  • IT Systems Administrator - I, II,…

    Southwest Power Pool (Little Rock, AR)
    …Science, or related field, or combined equivalent experience **Experience & Technical Requirements:** ** Senior System Administrator :** + Six (6) years of ... will all be considered during the hiring process. Sr. Systems Administrator | Pay Range: $85,800 -...Demonstrated leadership, mentoring ability, and effective written/oral communication skills ** System Administrator II** + Three (3) years… more
    Southwest Power Pool (10/04/25)
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  • Senior Systems Administrator

    BAE Systems (Washington, DC)
    …BAE Systems is seeking a Senior ** Systems Administrator ** to join the Machine-assisted Analytic Rapid-repository System (MARS) Advanced Development ... and maintain the infrastructure that powers networks and operating systems such as UNIX , Linux, and Windows....be available based on position level and/or job specifics. ** Senior Systems Administrator ** **117757BR** EEO… more
    BAE Systems (10/29/25)
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  • Senior HPC Systems

    BAE Systems (Saratoga Springs, UT)
    …Other incentives may be available based on position level and/or job specifics. ** Senior HPC Systems Administrator ** **115107BR** EEO Career Site Equal ... process. Configures and manages Linux, Unix , and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity… more
    BAE Systems (09/09/25)
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  • Senior System Administrator

    CACI International (Annapolis Junction, MD)
    Senior System Administrator Job...operational oversight across a range of IT platforms including UNIX , Linux, and Windows systems . The ideal ... IT systems . We are seeking an accomplished System Administrator - Level 4 to lead...complex enterprise IT environments, with a focus on high-assurance systems . This senior -level position involves architecture support,… more
    CACI International (10/30/25)
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  • Senior Systems Administrator

    CACI International (Fort Meade, MD)
    Senior Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... any processes related to these systems . The Senior Systems Administrator will Configure...manage primarily Windows and some UNIX operating systems and installs/loads operating system software, troubleshoots,… more
    CACI International (10/30/25)
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  • Senior Linux Systems

    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 & ... will involve configuring and managing UNIX and Windows operating systems , troubleshooting, maintaining network integrity, and enhancing system performance.… more
    Leidos (10/09/25)
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  • Mid-Level HPC Systems Administrator

    BAE Systems (Saratoga Springs, UT)
    …cutting-edge technologies that make a meaningful impact. We are seeking an experienced Senior System Administrator to join our team. The successful ... the interoperability of UNIX and NT based systems + Troubleshoot and resolve complex system ...based on position level and/or job specifics. **Mid-Level HPC Systems Administrator ** **116038BR** EEO Career Site Equal… more
    BAE Systems (09/09/25)
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  • Mid- Senior Linux Systems

    KBR (Sioux Falls, SD)
    …makers and protects Earth. KBR has an immediate need for an energetic and dynamic Mid- Senior Systems Administrator in support of the United States Geological ... EROS Information Technology Services Division (ITSD) is seeking a Mid- Senior Systems Administrator to join...This role leads technical operations across both Windows and Unix /Linux environments (with a primary focus on Linux). The… more
    KBR (09/23/25)
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  • Senior ServiceNow Systems

    SAIC (Annapolis Junction, MD)
    …process + Configure and manage UNIX , Linux and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and ... + Minimum of 14 years of experience as a Systems Administrator in programs and contracts of...ServiceNow with other applications is required Desired: + ServiceNow System Administrator certification + DoD 8570 compliance… more
    SAIC (11/06/25)
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