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Senior Linux​/Windows Systems Administrator

Job in King of Prussia, Montgomery County, Pennsylvania, 19406, USA
Listing for: Lockheed Martin
Full Time position
Listed on 2026-02-01
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Administrator
Job Description & How to Apply Below

Requirements

  • Bachelors degree in a relevant field with 4 years of professional experience, or equivalent education/experience
  • Proficient in both Linux and Windows system administration, including installation, patching, troubleshooting, and hardening of operating systems (both physical and virtual machines)
  • Knowledge of LAN and WAN networking structures, along with virtualization technologies
  • Must possess an active Top Secret Clearance
  • Familiarity with patching/security hardening for Windows and Linux OS in a classified setting
  • Experience managing offline RHEL/Ubuntu Repo servers
  • Background in virtualization environments (e.g., VMWare) and storage array networks (e.g., Net App, TrueNAS)
  • Scripting skills in languages such as Python, Bash, or Power Shell
  • Experience in creating boot images and configuring Cisco switches
  • Strong written and verbal communication skills
  • Ability to effectively collaborate in a fast-paced, team-driven environment
  • Current CompTIA Security certification, to be acquired within 6 months of employment
  • CompTIA Linux or Red Hat Certified Systems Administrator Certification
  • Capacity for in-depth monitoring and troubleshooting using various techniques
  • Experience with Agile Scrum development methodologies
Responsibilities
  • Engage in an agile scrum environment to support the implementation, troubleshooting, and maintenance of diverse IT systems
  • Oversee day-to-day operations of IT systems, including monitoring and resolving issues for all client/server/storage/network devices
  • Patch and secure Linux Red Hat operating systems and collaborate with security teams to mitigate cyber threats
Company

At Lockheed Martin, we are at the forefront of solving challenging problems and advancing technological boundaries to help our clients accomplish their missions. Our team offers flexible schedules, competitive compensation, and comprehensive benefits, ensuring you lead a healthy and satisfying life both at work and outside of it. Join us in an inclusive environment where your role is valued and you can make a significant impact.

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Position Requirements
10+ Years work experience
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