Senior System Administrator

Role Overview

The Senior System Administrator will support the DTRA I3TS Infrastructure Services team to maintain and optimize the Linux production environment. The candidate will be responsible for sustaining Linux servers and implementing new Linux capabilities. The candidate will work as part of the DTRA Systems Administration team using ITIL best practices and work independently on assigned tasks.

What You Will Do

Provision servers and environments, manage user access, perform security patching, upgrades, and hardening, monitor system performance, and respond to alerts. Establish and maintain NTP services, maintain satellite servers, and ensure compliance with security standards and practices.

Why It Might Be a Fit

The candidate should be familiar with system automation technologies, basic database administration, and tuning. The candidate must demonstrate a high degree of problem-solving ability in a complex environment and be able to communicate effectively.

Requirements

• BS with 6-8 years, or MS degree with 4-6 years of experience in IT operations working with Linux servers and Virtualization
• Active, DoD Top Secret/SCI security clearance
• DoD 8570 IAT Level II or III certification
• Hands-on experience administering Red Hat Enterprise Linux environments
• Direct experience supporting systems with Red Hat Satellite
• Understanding of virtualized infrastructure, server backup and restoral procedures, application of STIGs and cyber hardening approaches
• Basic experience with log file analysis
• Strong troubleshooting and problem-solving skills

Benefits

• Equal Opportunity Employer
• Paid holidays
• On-site work opportunity with remote work available