• Top Secret Clearance Jobs (Columbia, MD)
    …change requests, system hardening, and troubleshooting high level issues Assist Systems Administrator with configuring or troubleshooting Server group policy ... About the job Information Systems Security Manager Top Secret Clearance...Desired Qualifications/Skills: Router/Firewall/IDPS experience (Palo Alto / Cisco) Windows, Linux , and/or Cisco Certifications Familiarity with RADIUS Server and… more
    Upward (07/07/25)
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  • IT Linux Systems

    SpaceX (Hawthorne, CA)
    IT Linux Systems Administrator - Top Secret Clearance Hawthorne, CA Apply SpaceX was founded under the belief that a future where humanity is out ... with the ultimate goal of enabling human life on Mars. IT LINUX SYSTEMS ADMINISTRATOR - TOP SECRET CLEARANCE SpaceX is looking for an experienced … more
    SpaceX (05/06/25)
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  • Linux Systems Administrator

    TEKsystems (Cedar Rapids, IA)
    Linux Systems Administrator Location:...Requirement - Must Have: ⚠️ An active US Government Secret or Top- Secret Security Clearance is required ... Position Overview: TEKsystems is seeking a skilled and proactive Linux Systems Administrator to support...DHCP) + Excellent troubleshooting and problem-solving skills + Active Secret or Top- Secret Clearance (required) + CompTIA… more
    TEKsystems (07/17/25)
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  • Principal Linux Systems

    Northrop Grumman (Melbourne, FL)
    …We Want You!** The Northrop Grumman Classified Solutions team is seeking an experienced ** Linux Systems Administrator ** to join its dynamic team of technical ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description** At...be limited to the following: + Perform as primary Linux Systems Administrator for a… more
    Northrop Grumman (07/08/25)
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  • Linux Systems Administrator

    Northrop Grumman (Melbourne, FL)
    …Professionals, We Want You!** The Northrop Grumman Classified Solutions team is seeking a ** Linux Systems Administrator ** to join its dynamic team of ... be limited to the following: + Perform as primary Linux Systems Administrator for a...+ Bachelor's degree in Information Technology + Active Top Secret clearance + A Linux + or RHCSA… more
    Northrop Grumman (05/08/25)
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  • Linux Systems Administrator

    Lockheed Martin (Sunnyvale, CA)
    …more than 570 facilities that span more than 70 countries\. We are hiring a Linux System Administrator , Sr to support daily IT operations\. **What You Will Be ... In this role, you will perform a variety of activities in information systems design, development, and analysis encompassing one or more of the following areas… more
    Lockheed Martin (07/12/25)
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  • Linux Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …3 + years of related experience **US Citizenship Required:** Yes **Job Description:** ** Systems Administrator ** **- Active Top Secret Required** Seize your ... Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** Systems...opportunity to make a personal impact as a ** Systems Administrator ** with GDIT. A career in… more
    General Dynamics Information Technology (07/22/25)
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  • Linux Systems Administrator

    RTX Corporation (Cedar Rapids, IA)
    …career growth opportunity with our DT - Information Workplace Services team for a talented Linux Systems Administrator / Analyst. You will collaborate with a ... security, and compliance. **Qualifications You Must Have:** + DoD SECRET security clearance. + US citizenship is required, as...servers and workstations. + Proven experience as a System Administrator with expertise in Windows, Red Hat Linux more
    RTX Corporation (07/09/25)
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  • Linux System Administrator

    CACI International (Sarasota, FL)
    …* * * **The Opportunity:** CACI has an immediate opening for a Linux Systems Administrator , with a Top Secret Clearance (TS/SCI) with polygraph for our ... network and fielded systems . CACI is seeking a development Systems Administrator with Linux experience for our Sarasota (FL) location. In… more
    CACI International (07/05/25)
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  • Linux System Administrator (Onsite)…

    RTX Corporation (St. Petersburg, FL)
    …career growth opportunity with our Information Workplace Services team for a talented Linuz Systems Administrator . This is an opportunity to work in a highly ... collaborative, multi-platform, multi-disciplined, classified systems environment resolving support issues for the engineering community...onsite in St. Petersburg, FL and requires a DoD Secret Clearance. **_** **What YOU will do:** + Administer,… more
    RTX Corporation (07/11/25)
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  • Linux System Administrator

    General Dynamics Information Technology (Oakton, VA)
    Secret **Public Trust/Other Required:** None **Job Family:** Systems Administration **Skills:** Linux System Administration & ... challenging, impactful, and mission-critical. Join our team as a Linux System Administrator and make an impact....table:** + Experience with installation, configuration, and management of Linux systems (Red Hat experience preferred) +… more
    General Dynamics Information Technology (06/28/25)
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  • Linux Systems Administrator

    Northrop Grumman (Wright Patterson AFB, OH)
    …are not only part of history, they're making history. Northrop Grumman is seeking a Linux Systems Administrator /Principal Systems Administrator to ... Wright Patterson Air Force Base in Dayton, OH. This Linux Systems Administrator will be...listed below. **Basic Qualifications for a Systems Administrator :** + Active Department of Defense Top Secret more
    Northrop Grumman (07/03/25)
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  • M3 Systems Administrator (RHEL/…

    General Dynamics Information Technology (Charlottesville, VA)
    …years of related experience **US Citizenship Required:** Yes **Job Description:** **M3 Systems Administrator (RHEL/ Linux )** **- TS/SCI Required** Transform ... Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job...technology into opportunity as **a M3 Systems Administrator (RHEL/ Linux )** with GDIT.… more
    General Dynamics Information Technology (07/10/25)
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  • Linux Systems Administrator

    General Dynamics Information Technology (Wright Patterson AFB, OH)
    …**US Citizenship Required:** Yes **Job Description:** Transform technology into opportunity as a Linux Systems Administrator with GDIT. A career in ... Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job...operate. At GDIT, people are our differentiator. As a Linux Systems Administrator you will… more
    General Dynamics Information Technology (06/20/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Mary Esther, FL)
    …/SCI **Public Trust/Other Required:** None **Job Family:** Systems Administration **Skills:** Linux ,System Administration,Virtual ... Description:** Seize your opportunity to make a personal impact as a Senior Systems Administrator supporting Air Force Special Operations Command (AFSOC) and… more
    General Dynamics Information Technology (07/05/25)
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  • Linux Systems Administrator

    UIC Government Services and the Bowhead Family of Companies (Corona, CA)
    …desirable. This position is 100% onsite. **Responsibilities** * Systems Administrator administers and supports daily operational requirem* Linux Systems ... System Administrator with a strong focus on Linux systems . * Deep understanding of ...Must currently hold a security clearance at the minimum Secret level. Physical Demands: * Must be able to… more
    UIC Government Services and the Bowhead Family of Companies (07/03/25)
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  • Linux Principal Windows Systems

    Serco (Kirtland AFB, NM)
    **Position Description** Serco is seeking a Linux Principal Windows Systems Administrator to join our team supporting the Defense Systems sector at ... other legally protected characteristics. Click here to apply now (https://careers-sercous.icims.com/jobs/69556/ linux -principal-windows- systems - administrator /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834477830) **New to Serco?** Join… more
    Serco (05/17/25)
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  • Linux Systems Administrator

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    **Overview** LINUX ADMINISTRATOR (RDTE) Bowhead seeks a Linux Administrator to join our team in Dahlgren, VA. The Linux Administrator is ... and management of servers, end-user workstations, and potentially clustered systems operating in both unclassified and classified network environments. +… more
    UIC Government Services and the Bowhead Family of Companies (07/19/25)
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  • Principal Linux System Administrator

    BAE Systems (Manchester, NH)
    Systems is seeking a highly trained and motivated Principal Closed Area Systems Administrator to lead and manage classified IT infrastructure operations in ... **Key responsibilities include:** + Administer patch management for RHEL-based Linux systems , including vulnerability scanning, patch deployment, and… more
    BAE Systems (07/10/25)
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  • Linux Systems Administrator

    CACI International (Doral, FL)
    Linux Systems Administrator - Journeyman Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee ... of Travel: Local * * * **The Opportunity:** CACI is seeking an experienced Linux Systems Administrator Journeyman to support US Southern Command (USSOUTHCOM)… more
    CACI International (06/03/25)
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