Linux Infrastructure System Administrator

Lockheed Martin • Moorestown, NJ

2d • Onsite

About The Position

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. This role demands a strong background in Unix/Linux administration, network configuration, and secure, classified environments.

Requirements

• 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.

Nice To Haves

• 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

Responsibilities

• Configure, manage, and maintain Unix and Linux operating environments for secure, classified software development.
• Install and load OS software.
• Build and image workstations and laptops using Red Hat Kickstart, Ansible Playbooks, or comparable provisioning tools.
• Ensure strict STIG compliance across mixed‑generation, vendor‑customized platforms.
• Troubleshoot and resolve network component issues.
• Monitor day‑to‑day operations of classified development infrastructure.
• Provide rapid problem identification, diagnosis, and resolution.
• Assist users in accessing and utilizing our classified development resources.
• Support distributed compute and HPC‑style analysis clusters.
• Manage data‑intensive pipelines that underpin engineering programs.
• Collaborate with cross‑functional teams to support multiple program configurations.
• Conduct periodic inventory and classification of classified assets.
• Handle the secure disposition of legacy systems.

Benefits

• Opportunity for Impact: Join a team that is at the forefront of innovation in the aerospace and defense industry and make a significant impact on the success of our organization.
• Professional Development: Take advantage of unparalleled opportunities for growth and advancement within Lockheed Martin, with access to world-class training and development programs.
• Collaborative Culture: Work alongside some of the brightest minds in the industry who share your passion for excellence and who are committed to supporting each other's success.
• Competitive Benefits: Enjoy a comprehensive benefits package, including health insurance, retirement plans, and paid time off, as well as competitive salary offerings.
• Cutting-Edge Technology: Be part of a dynamic and forward-thinking work environment where you will have the opportunity to work with the latest technology and contribute to groundbreaking projects that are shaping the future of aerospace and defense.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 5,001-10,000 employees