Senior Linux Systems Engineer — TS/SCI Clearance

MANTECH; Laurel (MD); On-site; USD 90,000 - 130,000; Full time

Job summary

MANTECH is seeking a Linux System Administrator to join our team in Laurel, MD. You will administer Linux systems, support enterprise IT operations, and contribute to secure, scalable infrastructure for a global workforce.

Ideal candidates bring deep Linux troubleshooting skills, VMware experience, and DoD 8140 IAT certification readiness. A TS/SCI clearance is required to support mission-critical programs.

Qualifications

• Bachelor’s degree in a technical discipline is required; five (5) years of additional System Administration experience may substitute for a degree.
• 20+ years’ experience as a System Administrator in programs/contracts of similar scope, type, and complexity is required.
• Demonstrated experience leading Systems Administration/Engineering efforts is required.
• Must be proficient troubleshooting in a Linux environment.
• Experience with VMware.
• IAT I certification (DoD 8140) required within 60 days of starting employment; acceptable certifications include A+ CE, CCNA-Security, CND, Network+ CE, CySA+, GICSP, GSEC, Security+ CE, CND, SSCP

Responsibilities

• Administer, configure, and maintain Linux operating systems to ensure high performance and reliability.
• Provides support for implementation, troubleshooting and maintenance of IT systems.
• Manage IT system infrastructure and related processes.
• Provide day-to-day operations and problem resolution for client/server/storage/network devices.
• Provide support for the dispatch system and hardware problems and will remain involved in the resolution process.
• Optimize system operations and resource utilization and perform capacity analysis and planning.
• Analyze and resolve complex problems associated with server hardware, applications and software integration.

Skills

Linux admin

System administration leadership

Troubleshooting Linux

IT infrastructure support

Education

Bachelor’s degree in technical discipline

IAT I certification (DoD 8140) within 60 days

Tools

VMware

NetAPP

Job description

MANTECH is seeking a Linux System Administrator to join our team in Laurel, MD. You will administer Linux systems, support enterprise IT operations, and contribute to secure, scalable infrastructure for a global workforce.

Ideal candidates bring deep Linux troubleshooting skills, VMware experience, and DoD 8140 IAT certification readiness. A TS/SCI clearance is required to support mission-critical programs.