Sr. Linux/Windows Systems Administrator
Company: Lockheed Martin
Location: King of Prussia
Posted on: January 19, 2026
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Job Description:
At Lockheed Martin, a leader in global security and aerospace,
we are seeking a seasoned Sr. Linux/Windows Systems Administrator
to join our dynamic Information Technology (IT) & Cybersecurity
team. In this vital role, you will be responsible for managing,
maintaining, and optimizing Linux and Windows environments that
support our mission-critical systems. This position involves a
blend of technical prowess, strategic planning, and a proactive
approach to systems administration, ensuring operational excellence
and security compliance in our IT infrastructures. Our inclusive
culture and focus on teamwork make Lockheed Martin the ideal place
for professionals who are passionate about technology and
innovation, while holding strong ethical standards at the forefront
of their work. Install, configure, and maintain Linux and
Windows-based systems within the organization's network
environments. Ensure systems security through proactive updates and
patch management. Monitor system performance and troubleshoot
issues to ensure reliability and accessibility. Automate tasks and
deploy scripts to enhance system efficiency and reduce human error.
Collaborate with IT security teams to execute vulnerability audits
and compliance assessments. Provide technical guidance and support
to other IT team members. Participate in the development and
testing of disaster recovery plans. Maintain documentation related
to system configuration, mapping, processes, and service records.
Proficiency in managing both Linux and Windows server environments.
Strong understanding of network configurations, including firewall
protocols, VPNs, and DNS. Experience with automation software
(e.g., Puppet, Chef, Ansible). Familiarity with database management
and associated software. Ability to script in various languages
(e.g., Bash, Python, PowerShell). Knowledge of IT security best
practices and strategies. Medical Insurance Dental Insurance Vision
Insurance Life Insurance 401k Certified Information Systems
Security Professional (CISSP) - Optional but beneficial Microsoft
Certified Systems Administrator (MCSA) - Windows Server Red Hat
Certified System Administrator (RHCSA) or higher CompTIA Security -
Preferred
Keywords: Lockheed Martin, East Orange , Sr. Linux/Windows Systems Administrator, IT / Software / Systems , King of Prussia, New Jersey
