• Northrop Grumman (Morrisville, NC)
    …CompTIA Security+ (Sec+) certification within 6 months of start date Experience with Linux administration or related operating systems Experience in an Agile ... experience PhD with 1 year of software development experience Level 4: ( Senior Principal level) Bachelor's degree with 8 years of software development experience… more
    JobLookup XML (01/01/26)
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  • Senior Linux Systems Administrator

    General Dynamics Information Technology (Macdill AFB, FL)
    …how our customers operate while you advance your career. Join GDIT as a ** Senior Linux Systems Administrator** and build an impactful career in enterprise IT, ... who are driven and resourceful like you. MEANINGFUL WORK AND PERSONAL IMPACT As a ** Senior Linux Systems Administrator** , the work you'll do at GDIT will be… more
    General Dynamics Information Technology (12/18/25)
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  • Senior Linux /Unix Administrator

    S4 Inc. (Omaha, NE)
    …Experience | Full Time | Comprehensive and competitive benefits Job Title: Senior Linux /Unix Administrator Work Location: USSTRATCOM Offutt AFB Clearance: TS/SCI ... Network and Computer Systems Administrator Overview: S4 is seeking an experienced Senior Unix/ Linux OS Administrator to support the USSTRATCOM IT Enterprise at… more
    S4 Inc. (10/08/25)
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  • Senior Linux Architect

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    **Overview** ** SENIOR LINUX ARCHITECT (CORPIT)** Bowhead seeks aSenior Linux Architect to lead the engineering and architecture of our enterprise RDT&E ... our Comply to Connect (C2C) initiative inDahlgren, VA. The Senior Linux Architect will design and implement...Engineers on the following:** + Utilize Red Hat Enterprise Linux system administration experience to provide technical… more
    UIC Government Services and the Bowhead Family of Companies (12/03/25)
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  • Senior Linux Systems Administrator

    Leidos (Camp Springs, MD)
    …Join our dynamic team and take ownership of our critical Red Hat Enterprise Linux environment. As a Senior System Administrator, you'll be instrumental in ... **Description** The Leidos Digital Modernization Sector is seeking a **_Senior Linux Systems Administrator_** in support of the Air Force National Capital (AFNCR) IT… more
    Leidos (12/20/25)
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  • Senior Linux Administrator

    Leidos (Fort Belvoir, VA)
    **Description** The DTRA program at Leidos is seeking a ** Senior Linux Administrator** in Fort Belvoir, VA to support the DTRA I3TS Infrastructure Services team ... to maintain and optimize the Linux production environment.The candidate will be...work well as a part of the DTRA Systems Administration team using ITIL best practices as well as… more
    Leidos (12/30/25)
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  • Senior Linux Engineer

    CACI International (Chantilly, VA)
    Senior Linux Engineer Job Category: Engineering...experience. * At least 5 years of experience in Linux system administration , with a focus on ... is seeking a highly skilled and experienced Tier 3 Linux Engineer to join our team in support of...across the Enterprise supporting all Mission environments. As a Linux Engineer, you will be responsible for designing, implementing,… more
    CACI International (11/01/25)
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  • Senior Linux /Unix Systems…

    SMX (Dahlgren, VA)
    Senior Linux /Unix Systems Administrator (4411)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 our team...in Dahlgren, VA. Essential Duties & Responsibilities include thedaily administration of Linux /Unix systems and software including… more
    SMX (12/04/25)
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  • Senior Linux Systems Administrator

    The Boeing Company (Hazelwood, MO)
    …Boeing Company's Specialized United States Infrastructure organization is currently seeking a ** Senior Linux Systems Administrator** to join the team in ... systems, connectivity diagrams, and create standard operating procedures for system administration tasks + Mentor junior team members and provide leadership, while… more
    The Boeing Company (12/25/25)
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  • Senior Linux System Administrator

    Parsons Corporation (Aberdeen, MD)
    …**Job Description:** _Parsons is looking for an amazingly talented_ **_Senior Linux Systems Administrator_** _to join our team!_ **_What You'll Be Doing:_** ... + _Support the system administration for ARL high performance computers_ + _Support design...Required Skills You'll Bring:_** + _Extensive background in diverse Linux operating systems and high performance computing_ + _Extensive… more
    Parsons Corporation (11/15/25)
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  • Senior Linux Data Center Engineer

    Samsung SDS America (Plano, TX)
    …that empower businesses to operate smarter and faster. Samsung SDS America is seeking a Senior Linux Data Center Engineer to join our dynamic team in Plano, TX. ... experience in infrastructure engineering + Data center operations, server hardware, Linux , and Windows system administration . (must-have) + Virtualization… more
    Samsung SDS America (12/10/25)
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  • Senior Linux System Administrator

    ManTech (Fort Meade, MD)
    ManTech seeks a ** Senior Linux System Administrator** to join our team in **Ft. Meade, MD** . In this role, you will provide support for implementation, ... substituted for a degree. + 20+ years of related experience in systems administration or IT operations. + Experience with Linux , including installation,… more
    ManTech (12/24/25)
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  • TS Senior Linux Architect

    Insight Global (Dahlgren, VA)
    Job Description Insight Global is seeking a Senior Linux Architect based in Dahlgren, Virginia, to drive the architecture and implementation of enterprise ... IAT Level II certification. This position requires 8+ years' of Linux experience, including systems administration , configuration management, security… more
    Insight Global (12/03/25)
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  • Senior Linux System Administrator

    ManTech (Fort Meade, MD)
    Mantech seeks a motivated, career and customer-oriented ** Senior Linux System Administrator** to join our team in **Ft. Meade, MD** . In this role, you will ... perform system capacity analysis and planning. + Configure and manage Linux operating systems; install and maintain OS software; implement system enhancements… more
    ManTech (10/25/25)
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  • Senior Linux System Administrator

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Linux System Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD (Onsite) Position Overview: The Senior Linux ... to improve performance and reliability. Key Responsibilities: + Lead system administration activities across ARLEN and CARLEN networks. + Assign and manage… more
    Black Bear Technology Solutions, LLC (11/21/25)
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  • Senior Linux Systems Administrator…

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Linux Systems Administrator** in our **National Security Sector's (NSS) Cyber & ... this program "Delivers Mission Success!" Seeking a motivated and experienced Linux System Administrator for a small, diverseteam that provides end-to-end software,… more
    Leidos (10/09/25)
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  • Senior Systems Administrator ( Linux

    Alaka'ina Foundation Family of Companies (Kauai County, HI)
    …The Alaka`ina Foundation Family of Companies (FOCs) is looking for a Senior Linux Systems Administrator Range Network. The position will support ... Senior Systems Administrator ( Linux ) Location HI...(DoD) environment. This role requires deep technical expertise in Linux systems, leadership in secure system administration ,… more
    Alaka'ina Foundation Family of Companies (11/20/25)
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  • Senior Systems Administrator ( Linux

    Amentum (Waimea, HI)
    Amentum is seeking a highly experienced Senior Linux System Administrator to oversee and manage enterprise-level Linux infrastructure in support of US Navy ... Department of Defense (DoD) environment. This role requires deep technical expertise in Linux systems, leadership in secure system administration , and a strong… more
    Amentum (12/24/25)
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  • Senior Linux System Administrator

    GovCIO (Madison, WI)
    Linux administration duties will be included in this role. + Senior -level RedHat Linux server administration experience, experience with other ... Ruby, Python - appropriate use of built-in functions and libraries + Advanced Linux System Administration , Configuration, and System Security + Advanced systems… more
    GovCIO (11/07/25)
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  • Linux Administrator, Senior

    Amentum (Hanover, MD)
    …continuously trying to stay ahead of the next challenge. **Responsibilities:** This Senior Linux administrator position will provide candidates with a chance ... If so, look no further. Amentum is seeking a ** Linux Administrator, Senior ** to join our team...SCI and Poly * At least 9 years of Linux Administration experience * Bachelor's Degree in… more
    Amentum (11/21/25)
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