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Linux Systems Administrator with Security Clearance

ALKUAurora, CO🇺🇸United StatesPosted Sep 23, 2026

Why This Role Stands Out

This hybrid role offers significant career growth as you'll be instrumental in supporting a mission-critical national security program, gaining invaluable experience in Tier 2 Linux system administration and cloud migrations. You'll thrive here if you're a proactive Linux Systems Administrator with a TS SCI w/ Poly clearance and a Sec+ certification, eager to collaborate and contribute to a vital team. Don't miss this chance to advance your skills and make a real impact!

Quick Overview

Seniority
Mid Senior
Work mode
Hybrid
Location
Aurora, CO, United States
Posted
6 days ago
C++JavaPython

Job Description

Linux Systems Administrator TS SCI w/ Poly with a Sec + Located in Aurora, CO Program Background:
ALKU's Client is prime on a mission-critical effort that provides Tier 2 software sustainment and maintenance for across a multitude of operating systems and applications that span over five main domains. This program is seeking candidates at all levels who are willing to learn, grow, lead and teach while working collaboratively with their team to support the Nation's security. They will troubleshoot unique issues as a Tier 2 team.

Day to Day Provide Tier 2 Linux system maintenance team for a specific mission-critical systems domain
Troubleshooting network software issues
Backup, restore, and recovery procedures of Linux Operating systems
Perform permissions and user/ problem management
Support configuration management and change management activities
Support service transitions including migrations to cloud infrastructure
Create, update, and enhance maintenance and operations documentation

Required Skills

Sec + certification (IAT II) Enterprise management tools
Unix, Linux, or Windows operating systems, RedHat, RHEL
Linux-based software languages (C, C++, Python, Java, Pearl, etc.)
Tier 2 Linux system administration experience knowledge of the Linux filesystem command line usage and syntax
Experience supporting configuration management, change management, and service transition.

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