Senior Linux Systems Engineer — TS/SCI Polygraph

Society of Defense Financial Management; Laurel (MD); On-site; USD 110,000 - 150,000; Full time

Job summary

ManTech seeks a motivated Linux System Administrator to join our Laurel, MD team, delivering enterprise infrastructure capabilities for a national defense mission. You will support the Enterprise Infrastructure Services (EIS) as the backbone of IT for MPO, focusing on Linux environments and modern automation tools.

The role emphasizes troubleshooting, system optimization, and ongoing maintenance of enterprise IT assets with a Top Secret/SCI with Polygraph clearance, and extensive hands-on Linux

Qualifications

• Bachelor's degree required; additional 5 years of related experience may substitute for a degree.
• 20+ years of experience as a System Administrator or in programs/contracts of similar scope.

Responsibilities

• Configure and manage Linux operating systems; install, load, troubleshoot, and optimize systems.
• Provide support for IT system implementation, troubleshooting, and maintenance.
• Manage IT infrastructure and day-to-day operations across client/server/storage/network devices.
• Support dispatch systems and hardware problem resolution.
• Analyze system capacity, optimize operations, and plan resource utilization.
• Resolve complex problems related to servers, applications, and software integration.

Skills

Linux

Troubleshooting

Enterprise IT support

Education

Bachelor's degree in a technical discipline

Tools

VMware

Splunk

Ansible

Job description

ManTech seeks a motivated Linux System Administrator to join our Laurel, MD team, delivering enterprise infrastructure capabilities for a national defense mission. You will support the Enterprise Infrastructure Services (EIS) as the backbone of IT for MPO, focusing on Linux environments and modern automation tools.

The role emphasizes troubleshooting, system optimization, and ongoing maintenance of enterprise IT assets with a Top Secret/SCI with Polygraph clearance, and extensive hands-on Linux