Senior Linux Systems Administrator - QA & Automation (TS/SCI)

Leidos; Laurel (MD); On-site; USD 92,000 - 167,000; Full time

Job summary

Leidos is seeking a Senior Linux Systems Administrator – Quality Assurance to support Linux environments for testing, validation, and operational readiness. You will resolve complex issues, support automation, and ensure systems remain ready for mission execution.

The role emphasizes Linux administration, incident resolution, and reliability improvements within an enterprise IT context, with a focus on performance and operational efficiency.

Qualifications

• Bachelor's degree in a technical discipline or equivalent
• Nine years of relevant experience in Linux environment operations
• Active TS/SCI with Polygraph clearance at time of application

Responsibilities

• Configure, administer, and maintain Linux operating systems across enterprise IT environments.
• Install and maintain OS software while ensuring integrity, reliability, and availability.
• Configure and maintain network components supporting Linux environments.
• Manage daily Linux system configuration and operational activities.
• Provide implementation, troubleshooting, and maintenance support for enterprise IT systems.
• Diagnose and resolve Tier 1 and Tier 2 Linux incidents and related hardware.
• Troubleshoot complex hardware and OS issues and communicate status to management and customers.
• Develop Bash scripts to improve stability and deployment repeatability and support automation initiatives.
• Analyze escalated issues and contribute to improving Linux operational processes.

Skills

TS/SCI with Polygraph

Education

Bachelor's degree in a technical discipline

Four additional years of relevant system administration experience may be substituted for the required bachelor's degree

Job description

Leidos is seeking a Senior Linux Systems Administrator – Quality Assurance to support Linux environments for testing, validation, and operational readiness. You will resolve complex issues, support automation, and ensure systems remain ready for mission execution.

The role emphasizes Linux administration, incident resolution, and reliability improvements within an enterprise IT context, with a focus on performance and operational efficiency.