Senior Linux Systems Admin – QA & Automation Focus

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

Job summary

Leidos in Aberdeen, MD is seeking a Senior Linux Systems Administrator – Quality Assurance to support Linux environments that enable mission-critical testing, validation, and operational readiness for top-priority programs. You will join a multidisciplinary operations team responsible for reliability, scalability, and security of enterprise systems used across national security initiatives.

The role emphasizes hands-on Linux administration, incident response, automation, and performance tuning.

Qualifications

• Bachelor's degree in a technical discipline; four additional years of relevant system administration may substitute for degree.
• Minimum nine years of experience supporting programs or contracts of similar scope and complexity.
• TS/SCI with Polygraph clearance required at time of application.
• Experience in Intelligence Community or national security missions preferred.

Responsibilities

• Configure, administer, and maintain Linux operating systems in enterprise IT environments.
• Provide incident diagnosis and resolution for Tier 1/2 Linux incidents.
• Develop Bash scripts and automation to improve reliability and repeatability.
• Monitor performance, capacity, and optimize Linux operations.
• Communicate status and escalation information to management and customers.

Skills

Linux administration

Bash scripting

Incident response

Automation

System monitoring

Performance tuning

Education

Bachelor's degree in a technical discipline

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

Tools

Bash

Linux OS

TS/SCI with Polygraph

Job description

Leidos in Aberdeen, MD is seeking a Senior Linux Systems Administrator – Quality Assurance to support Linux environments that enable mission-critical testing, validation, and operational readiness for top-priority programs. You will join a multidisciplinary operations team responsible for reliability, scalability, and security of enterprise systems used across national security initiatives.

The role emphasizes hands-on Linux administration, incident response, automation, and performance tuning.