System Administrator

System One

Full-time other-general
Apply Now
Location
Annapolis Junction, MD, United States
Posted
July 23, 2026

Job Description

System Administrator – TS/SCI w/ Polygraph
Location: Annapolis Junction, MD
Work Model: 100% Onsite
Type: Direct Hire (W2)
Compensation: Up to $150,000/year
Schedule: 40 hours/week
Clearance Required: Active TS/SCI with Polygraph (required)

About the Role
We’re hiring System Administrators at multiple experience levels to support mission-critical operations in Linux-based, high-performance environments. This role is ideal for someone who enjoys hands-on troubleshooting, optimizing system performance, and working closely with engineering and operations teams to keep essential infrastructure reliable and available.

This team includes professionals who specialize in platform, network, and storage engineering—but everyone is expected to contribute to core Linux system administration and operational sustainment work.
What You’ll Do

+ Monitor, maintain, and troubleshoot systems and infrastructure supporting mission operations
...