• COLSA Corporation (Huntsville, AL)
    Join our team as a Linux Systems Administrator , where...of 5 to 12 years of related experience + Active DoD Top Secret Clearance with SCI eligibility + ... We are looking for a skilled professional with a solid foundation in Linux administration and a collaborative approach to problem-solving. + Securely deploy and… more
    DirectEmployers Association (10/02/25)
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  • PSEG Long Island (Bethpage, NY)
    …overall health of a variety of cyber security tools within a Microsoft Windows, Linux and UNIX server environments. This role will manage and support M365 accounts ... and manage Microsoft 365 solutions, including migration from on-premises systems to the cloud. + Provide Tier 2 support...SharePoint. + Knowledge of Networking and Security - DNS, Active Directory, Entra ID (Azure AD) including conditional access… more
    DirectEmployers Association (11/06/25)
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  • Greene Tweed (Lansdale, PA)
    …OneDrive, Sharepoint, Exchange Online, Intune/Endpoint Manager, etc.) + Globally administer Active Directory, Group Policy, DNS, DHCP, DFS, Print and File Servers, ... core services and supporting infrastructure. + Administer and maintain Windows and Linux servers in a mixed hybrid (AWS, Azure) enterprise environment consisting of… more
    DirectEmployers Association (08/21/25)
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  • Ace Hardware (Oak Brook, IL)
    …Summary** We are seeking a highly skilled **Cloudera Hadoop Administrator (DBA)** with hands-on experience managing and administering **Databricks environments** ... and restore operations and supporting development, test, and production systems . **Key Responsibilities** **Cloudera Hadoop Administration** + Manage and support… more
    DirectEmployers Association (10/09/25)
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  • COLSA Corporation (Huntsville, AL)
    …technical lead for a diverse infrastructure environment. The role spans Windows systems , Nutanix virtualization, Linux (RHEL), and enterprise storage. The ... or equivalent professional experience. + Minimum of 8 years related experience + Active DoD Top Secret Clearance with SCI eligibility; US Citizenship required + Must… more
    DirectEmployers Association (09/21/25)
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  • Infinity Systems Engineering (Alexandria, VA)
    …- now, come be more with us! Job Summary: We are seeking a skilled Systems Administrator /Network Engineer to join our mission-driven team. This position offers a ... secure, and troubleshoot Juniper and Cisco switches. + Perform systems administration on Windows and Linux platforms...configuration (Cisco experience is a plus) + Proficient in Linux and Windows system administration + Active more
    DirectEmployers Association (09/30/25)
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  • Applied Research Associates, Inc. (Herndon, VA)
    …clusters + **Documentation** : Maintain thorough documentation of infrastructure, systems , and processes **Offer is contingent upon contract award.** **Senior ... Requirements:** + **Must be a US citizen with an active TS/SCI security clearance** + Bachelors degree in a...TS/SCI with CI Poly security clearance + OpenShift Certified Administrator (OCA) or Kubernetes certification + Experience with hybrid… more
    DirectEmployers Association (09/11/25)
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  • LINUX Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …of related experience **US Citizenship Required:** Yes **Job Description:** ** Linux Systems Administrator ** **- Active Top Secret Required** Seize your ... opportunity to make a personal impact as a ** Linux ** ** Systems Administrator ** with GDIT....DoD 8140 compliance required + **Security Clearance Level** : Active Top Secret + **Required Skills and Abilities:** Highly… more
    General Dynamics Information Technology (11/01/25)
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  • Linux Systems Administrator

    CACI International (Fort Meade, MD)
    …being assembled by CACI, Inc! We have an opening for a ** Linux Systems Administrator ** with an active TS/SCI w/Polygraph clearance. If you thrive ... Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee… more
    CACI International (10/29/25)
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  • Linux /UNIX Systems

    General Dynamics Information Technology (Springfield, VA)
    …Yes **Job Description:** Deliver innovative, simple solutions to complex problems as a Linux /UNIX Systems Administrator at GDIT. Here, you'll tailor ... ours. At GDIT, people are our differentiator. As a Linux /UNIX Systems Administrator - Geospatial...Experience writing detailed, technical documentation + 8570 Compliance + Active TS/SCI Clearance + Ability to respond to after… more
    General Dynamics Information Technology (10/11/25)
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  • Linux / AWS Systems

    Northrop Grumman (Morrisville, NC)
    …We Want You!** The Northrop Grumman Classified Solutions team is seeking an experienced ** Linux Systems Administrator ** to join its dynamic team of technical ... limited to the following:** + Serve as a senior Linux Systems Administrator within an...Cisco experience or certification is a plus. + Windows Active Directory (AD), Lightweight Directory Access Protocol (LDAP), and… more
    Northrop Grumman (11/15/25)
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  • Principal Linux Systems

    Northrop Grumman (Baltimore, MD)
    …of your career. Northrop Grumman Mission Systems is seeking a well-qualified ** Linux Systems Administrator ** to join its Classified Solutions team of ... be limited to the following: + Perform as primary Linux Systems Administrator for a...of a completed degree. + Applicants must have an active DoD Secret level security clearance (at a minimum),… more
    Northrop Grumman (10/15/25)
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  • Linux Systems Administrator

    CACI International (Hampton, VA)
    Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular ... Opportunity:** We are seeking a cleared, skilled and experienced Red Hat Enterprise Linux Administrator with expertise in Puppet configuration management to join… more
    CACI International (11/15/25)
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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 ... equipment (up to 40lbs) and work within controlled environments. **In this Principal Linux Administrator position you will make impacts in the following ways;**… more
    BAE Systems (10/07/25)
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  • Linux Systems Administrator

    BAE Systems (Annapolis Junction, MD)
    …in your life and keep you performing at your best. We are in search of a Linux Systems Administrator to: + Install, configure, and network UNIX and/or NT ... Other incentives may be available based on position level and/or job specifics. ** Linux Systems Administrator ** **115415BR** EEO Career Site Equal… more
    BAE Systems (09/09/25)
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  • Linux Systems Administrator

    CACI International (Linthicum, MD)
    Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... System Administrator !** Are you passionate about Linux systems and eager to make a...support and solutions. **Qualifications:** _Required:_ + **Security Clearance:** An active NSA TS/SCI with Polygraph. + **Proven Experience:** 3… more
    CACI International (10/18/25)
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  • Senior Linux System Administrator

    BAE Systems (San Diego, CA)
    …BAE Systems . BAE Systems is seeking a Senior Closed Area Linux Systems Administrator to provide comprehensive technical and operational support for ... OU structure, and GPOs. + Install, configure, and maintain Linux -based servers and systems . + Configure, deploy,...years of experience with a degree) as a system administrator in a Linux OS environment. Direct… more
    BAE Systems (09/18/25)
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  • Linux Systems Administrator

    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 ... limited to the following: + Maintain the virtual desktop infrastructure and Linux systems supporting Government programs in accordance with established… more
    Northrop Grumman (10/07/25)
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  • Linux Systems Administrator

    L3Harris (Greenville, TX)
    …29921 Job Location: Greenville, TX Schedule: 9/80 Job Description: L3Harris is seeking a Linux Systems Administrator to support Mission System integration in ... Essential Functions: + Integrate with a team of multidiscipline, multileveled Systems Administrators supporting Linux , Windows, and Network operations +… more
    L3Harris (10/17/25)
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  • Linux /Windows Systems

    Northrop Grumman (Palmdale, CA)
    …will include but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate ... You!** The Northrop Grumman Classified Solutions team is seeking a novice cross-platform ** Linux /Windows Systems Administrator ** to join its dynamic team of… more
    Northrop Grumman (11/15/25)
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