Senior Linux Systems Administrator – Enterprise IT

Praxis Engineering; Maryland; On-site; USD 202,000 - 274,000; Full time

Benefits offered by this job

Medical plan options

401(k) with company match

Paid time off

Disability benefits

Life insurance

Job summary

GDIT is seeking a Systems Administrator to advance customer operations and your career in enterprise IT. You will install, configure, monitor, and support a large-scale Linux cluster with COTS/GOTS/FOSS software, ensuring security and reliability across compute, network, memory, and storage components.

The role requires TS/SCI with polygraph, 15+ years of related experience, and strong Bash/Python scripting, Red Hat Satellite, VMware ESXi, and container tech like Docker; it offers a path to

Qualifications

• 15+ years of related experience.
• Experience with Linux cluster environments and scripting in Bash/Python.
• Security clearance TS/SCI w/ Polygraph required.
• Experience with COTS/GOTS/FOSS software and system administration.

Responsibilities

• Install, configure, and support large-scale Linux systems.
• Monitor performance and resolve complex technical issues.
• Maintain system security integrity and apply OS enhancements.
• Operate and troubleshoot virtualization and containerization (Docker).
• Utilize infrastructure as code concepts and automation tools.

Skills

Bash (Scripting Language)

Education

Technical Training / Certification(s) / Degree

Tools

Linux Command

Red Hat Satellite

VMware ESXi

Job description

GDIT is seeking a Systems Administrator to advance customer operations and your career in enterprise IT. You will install, configure, monitor, and support a large-scale Linux cluster with COTS/GOTS/FOSS software, ensuring security and reliability across compute, network, memory, and storage components.

The role requires TS/SCI with polygraph, 15+ years of related experience, and strong Bash/Python scripting, Red Hat Satellite, VMware ESXi, and container tech like Docker; it offers a path to