Senior System Administrator (TS/SCI) — Flexible 4x10

Lockheed Martin; Littleton (CO); On-site; USD 96,000 - 178,000; Full time

Benefits offered by this job

Medical, Dental, Vision

Flexible work arrangements

401(k) match

Paid time off & holidays

Parental Leave

Job summary

Lockheed Martin is seeking an IT professional to support the Space division in Denver, CO. The role focuses on system administration, security compliance, and operations across servers, workstations, containers, networking, and storage.

Qualified candidates have TS/SCI clearance with CI Poly, 3+ years of Linux/Windows experience, and familiarity with DISA STIGs, vulnerability management, and security hardening. Occasional off-shift hours may be required.

Qualifications

• Active TS/SCI clearance with ability to obtain CI Poly.
• U.S. Citizenship required for access to the work facility
• 3+ years of experience administering Linux and Windows server environments
• Experience with DISA STIGs and Security Hardening of OS and applications
• Experience performing diagnostics and troubleshooting network issues
• Experience with Operating Systems life cycle management and configuration management
• Experience with vulnerability remediation and security management

Responsibilities

• Provide IT support for Lockheed Martin Space division in Denver, CO.
• Ensure IT systems are managed, controlled, and compliant with CIPM.
• Perform upgrades, operations and maintenance for servers, workstations, containers, networking, and storage.
• Conduct design, development, and analysis of computer systems based on user requirements.
• Manage backups and proven restore capabilities and system imaging.

Skills

Linux admin

Windows admin

Security compliance

Network troubleshooting

Team communication

Off-shift availability

Tools

NetApp storage

Nessus

Splunk

ACAS

PowerShell

Job description

Lockheed Martin is seeking an IT professional to support the Space division in Denver, CO. The role focuses on system administration, security compliance, and operations across servers, workstations, containers, networking, and storage.

Qualified candidates have TS/SCI clearance with CI Poly, 3+ years of Linux/Windows experience, and familiarity with DISA STIGs, vulnerability management, and security hardening. Occasional off-shift hours may be required.