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Systems Administrator​/Linux​/Secret​/Onsite

Job in Littleton, Arapahoe County, Colorado, 80161, USA
Listing for: Lockheed Martin
Full Time position
Listed on 2026-01-19
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Administrator, IT Support
Job Description & How to Apply Below
Position: Systems Administrator / Linux / Secret / Onsite: CO

Job Overview

Lockheed Martin Enterprise Operations (EO) position will support the Theater Strike Weapons System (TSWS) program. Work location is Littleton, CO. The Multi‑Function Information Systems Analyst assists users with resolving technical issues with applications, connectivity, and other IT related issues, and will assist with Information Assurance by performing environmental vulnerability scans, remediation of vulnerabilities, and system hardening. The selected candidate will ensure that all Lockheed Martin assets and software are properly accounted for, managed, and controlled.

Responsibilities
  • Assist users with resolving technical issues with applications, connectivity and other IT related issues.
  • Perform Information Assurance tasks, including environmental vulnerability scans, remediation and system hardening.
  • Ensure all Lockheed Martin assets and software are properly accounted for, managed, and controlled.
  • Perform root‑cause analysis for problem resolution in Linux environments.
  • Analyze and assess server performance, storage capacity and plan for future needs.
  • Perform routine server/workstation patching per guidelines.
  • Utilize scripting to support systems administration tasks.
  • Work non‑telecommuting hours, including off‑shift hours, weekends and occasional travel.
Required Qualifications
  • Active DOD Secret clearance.
  • Experience with Linux environments.
  • Proficiency in scripting.
  • Root‑cause analysis experience.
  • Knowledge of operating systems life‑cycle and configuration management.
Desired Skills
  • Experience with High Performance Compute (HPC) Environments.
  • Experience with Windows Server Operating Systems.
  • Experience with Active Directory (AD).
  • Knowledge of network support in a classified environment (encryption, etc.).
  • Current Security or CISSP certification.
  • Current working knowledge of NISPOM and RMF requirements.
  • SQL experience.
  • Familiarity with Virtualization (VMware or Hyper

    V).
  • Knowledge of Disaster Recovery.
Additional Information

By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified, you may be contacted for this and future openings.

Work Location & Policy

Onsite full‑time:
The work associated with this position will be performed onsite at a designated Lockheed Martin facility.

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