• Raytheon (Aurora, CO)
    …join the Cyber Security Engineering team for a Senior Cyber Engineer-Information Systems Security Officer (ISSO) - P3 position supporting the operations and ... to include vulnerability management, compliance management, and enterprise information security infrastructure . This is an onsite position at Peterson Space Force… more
    JobGet (06/17/25)
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  • LINUX Sr Principal Systems Engineer…

    General Dynamics Information Technology (Washington, DC)
    …Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** Systems Engineering **Skills:** Computer Engineering, Linux ,Red Hat Enterprise Linux ... ENGINEER** with GDIT. Your work in the integration of Linux resources into a primary Windows Infrastructure ...ENGINEER WILL MAKE AN IMPACT:** + Enterprise Authorization: Integrate Linux Systems (currently, RHEL 7/8 and Ubuntu… more
    General Dynamics Information Technology (06/13/25)
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  • IT Systems Administrator, Sr ( Linux

    Lockheed Martin (Fort Worth, TX)
    …Clearance * Ability to obtain Top Secret Clearance * 3\+ years' Experience with Linux Operating Systems \(Red Hat Enterprise Linux 7, 8, 9\) * 3\+ ... will join the Classified IT support team, performing IT Systems Administration across multiple platforms including Linux ...in Ft Worth, TX, and US Citizenship / Active Secret Clearance \(with the ability to obtain Top … more
    Lockheed Martin (05/15/25)
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  • IT Linux Systems Administrator - Top…

    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 exploring ... ultimate goal of enabling human life on Mars. IT LINUX SYSTEMS ADMINISTRATOR - TOP SECRET...+ Experience with configuration management (Puppet, Chef, Ansible), provisioning, infrastructure as code, and other DevOps concepts and tools… more
    SpaceX (05/06/25)
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  • Linux Systems Administrator - Active…

    General Dynamics Information Technology (Washington, DC)
    …of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** Systems Administration ... + years of related experience **US Citizenship Required:** Yes **Job Description:** ** Systems Administrator** **- Active Top Secret Required** Seize your… more
    General Dynamics Information Technology (05/16/25)
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  • Linux Systems Administrator…

    Insight Global (Huntsville, AL)
    Job Description An employer is looking for a Secret Cleared Linux Systems Administrator in the Huntsville, AL area. This resource will work closely with the ... software factory and DevSecOps team to ensure various linux platforms are developed and operational. We are a company committed to creating inclusive environments… more
    Insight Global (06/17/25)
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  • Sr. Systems Administrator, Linux

    BAE Systems (Nashua, NH)
    …ensure secure and compliant operations. Administer patch management for RHEL-based Linux systems , including vulnerability scanning, patch deployment, and ... protection and ePO integration. Deploy and configure Splunk Universal Forwarders on Linux systems ; manage log ingestion and index routing. **Required Education,… more
    BAE Systems (05/21/25)
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  • Specialist, Cyber Infrastructure

    L3Harris (Colorado Springs, CO)
    …sea and cyber domains in the interest of national security. Job Title: Cyber Infrastructure Systems Engineer Job Code: 21703 Job Location: Colorado Springs, CO ... and validation, cost and risk and supportability and effectiveness analyses for total systems . Analyses are performed at all levels of total system product to… more
    L3Harris (06/11/25)
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  • Linux Systems Administrator (AHT)

    Northrop Grumman (Wright Patterson AFB, OH)
    …Grumman is seeking a Linux Systems Administrator to maintain and enhance Linux Systems and Infrastructure for the National Air and Space Intelligence ... to develop and maintain good working relationships with internal and external stakeholders. This Linux Systems Administrator will be an active part of a team of… more
    Northrop Grumman (05/02/25)
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  • Senior Specialist, Cyber Infrastructure

    L3Harris (Melbourne, FL)
    …sea and cyber domains in the interest of national security. Job Title: Systems Administrator ( Linux /Windows) Job Code: 23569 Job Location: Melbourne, FL Job ... and validation, cost and risk and supportability and effectiveness analyses for total systems . Analyses are performed at all levels of total system product to… more
    L3Harris (05/02/25)
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  • Principal Linux Systems

    RTX Corporation (Tewksbury, MA)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** Secret - Current **Principal Linux Systems Administrator 50% on ... on site in Tewksbury, MA locations. Must have active secret clearance, we offer relocation!** **About US** : At... systems hardware and software related to a Linux /Windows infrastructure for classified programs. Duties include,… more
    RTX Corporation (05/22/25)
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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 Kirtland ... servers and workstations. + Install, harden, and patch Linux operating systems . + Develop presentations and...possess an active US Department of Defense (DoD) Top Secret security clearance and be able to maintain it.… more
    Serco (05/17/25)
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  • Cyber Systems Administrator ( Linux

    SOS International LLC (Pearl Harbor, HI)
    …you will assist in managing network operations, maintenance, and security of our Linux infrastructure , ensuring compliance with all DoD guidelines. The ideal ... candidate will have a strong understanding of cybersecurity principles, secure Linux systems administration, and data-centric network security best practices.… more
    SOS International LLC (04/12/25)
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  • Systems Administrator ( Linux )

    Nightwing (Sterling, VA)
    …new cyber capabilities to address emerging threats. Nightwing is seeking a Sr. Linux Systems Administrator to support the design, development, and deployment of ... Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers'… more
    Nightwing (05/17/25)
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  • Linux Systems Administrator

    Lockheed Martin (Fayetteville, NC)
    …System Administrator, you will be responsible for managing and maintaining our Linux infrastructure , including Debian and Ubuntu distributions\. You will ... Linux System Administrator who is passionate about managing and maintaining Linux infrastructure \. If you're a detail\-oriented and organized individual with… more
    Lockheed Martin (05/01/25)
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  • Linux Systems Engineer

    General Dynamics Information Technology (St. Louis, MO)
    …**Experience:** 5 + years of related experience **US Citizenship Required:** Yes **Job Description:** ** Linux Systems Engineer** A Linux Systems Engineer ... Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** Systems Administration **Skills:** Kubernetes, Linux , Systems Engineering… more
    General Dynamics Information Technology (04/28/25)
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  • Senior Systems Administrator (Unix/…

    First Division Consulting (Dahlgren, VA)
    …Test & Evaluation) environments, ensuring the functionality, security, and efficiency of Unix/ Linux -based systems , networks, and software infrastructure . The ... on contract award** Position Overview: First Division Consulting is seeking a Senior Unix/ Linux Systems Administrator to support a Department of the Navy (DoN)… more
    First Division Consulting (05/23/25)
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  • Intermediate Linux Systems

    Black Bear Technology Solutions, LLC (Aberdeen Proving Ground, MD)
    Intermediate Linux Systems Administrator Clearance Required: Top Secret or Secret Clearance Locations: Aberdeen Proving Grounds (Onsite) Position ... Overview: The Intermediate Linux Systems Administrator specializes in the installation,...system monitoring, and compliance management in a secure IT infrastructure . Key Responsibilities: + Install, configure, and maintain operating… more
    Black Bear Technology Solutions, LLC (05/24/25)
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  • Linux Systems Administrator

    Leidos (Beavercreek, OH)
    …Security team within the Digital Modernization sector is seeking an experienced ** Linux Systems Administrator** to work onsite in Beavercreek, Ohio. You ... skills to perform testing, deploying, maintaining, and administering cyber systems across networks along with their infrastructure ...you do in this role?** + Work primarily on Linux based systems to design, build, integrate,… more
    Leidos (04/23/25)
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  • Cyber Defense Systems Specialist…

    Black Bear Technology Solutions, LLC (Fort Belvoir, VA)
    …manage, and maintain advanced Linux and VMware based cyber defense systems . + Design and implement secure infrastructure with backup and restoration ... VA. This is a senior-level role requiring a deep understanding of Linux systems , automation, and cybersecurity operations in mission-critical environments. Role… more
    Black Bear Technology Solutions, LLC (05/19/25)
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