> Markdown version of [/jobs/ext/547213-linux-infrastructure-system-administrator](https://www.wearedevelopers.com/jobs/ext/547213-linux-infrastructure-system-administrator). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Linux Infrastructure System Administrator - **Company:** Lockheed Martin - **Location:** Moorestown, NJ, United States (Remote available) - **Experience:** Expert - **Salary:** $91,000.0 - $181,113.0 - **Contract:** Permanent contract - **Skills:** Systems Engineering, Bash Shell, Unix, Cloud Engineering, Computer Networks, Linux, Perl (Programming Language), Python (Programming Language), Linux System Administration, Linux Distribution, Linux Servers, Network Configuration and Change Management, Red Hat Enterprise Linux, Ansible, Software Engineering, Solaris (Operating System), Scripting, SC Clearance, Information Technology, Terraform, Legacy Systems, Jenkins - **Published:** June 5, 2026 - **Apply:** https://dejobs.org/x/x/C6A41225185649C39CE5E8D65A1418CD/job/ ## About the Role You are a dynamic and results-oriented professional with a passion for driving operational excellence and optimizing production processes. You thrive in a fast-paced environment and are adept at managing complex projects while maintaining a high level of accuracy and attention to detail. Your strong analytical skills, coupled with your ability to communicate effectively and collaborate across departments, make you an invaluable asset to our team., Bachelor's degree in Computer Science, Engineering, IT or a related STEM field (or equivalent experience); Master's degree acceptable in lieu of experience. Minimum 5 years of hands-on Linux administration in complex, regulated (DoD/DISA) environments. Deep expertise with Red Hat Enterprise Linux (or equivalent), kernel-level troubleshooting, and imaging/provisioning tools such as Kickstart or Ansible. Strong scripting/automation skills (Bash, Python, Perl) for system management and security hardening. Proven experience implementing and maintaining DISA/STIG security policies on Linux servers. Ability to obtain and maintain a Secret clearance (and/or hold Security+ certification). Solid understanding of storage solutions and data-intensive pipeline support. Excellent problem-solving, communication, and interpersonal skills; able to work collaboratively across teams and manage multiple tasks simultaneously. Desired Skills: * Active Secret or TS/SCI clearance (preferred) * Experience with Air gapped or classified networks * Hands on with legacy UNIX (Solaris) or vendor customized Linux distributions * Automation frameworks: Ansible, Terraform, Jenkins * Exposure to HPC, distributed compute clusters, or cloud native workloads * Security+ or equivalent certification Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration. Clearance Level: Top Secret ## Description We are seeking a highly skilled Classified Systems Engineer to configure, manage, and maintain Unix and Linux operating environments for secure, classified software development. In this role you will install and load OS software, build and image workstations and laptops using Red Hat Kickstart, Ansible Playbooks, or comparable provisioning tools, and ensure strict STIG compliance across mixed-generation, vendor-customized platforms. You will troubleshoot and resolve network component issues, monitor day-to-day operations of classified development infrastructure, and provide rapid problem identification, diagnosis, and resolution. The position also involves assisting users in accessing and utilizing our classified development resources, supporting distributed compute and HPC-style analysis clusters, and managing data-intensive pipelines that underpin engineering programs. Collaboration with cross-functional teams is essential to support multiple program configurations, conduct periodic inventory and classification of classified assets, and handle the secure disposition of legacy systems. 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