Linux Systems Administrator

General information

Requisition # R64323 Locations USA-MD-Laurel Posting Date 11/25/2025 Security Clearance Required TS/SCI w/ Poly Remote Type Onsite Time Type Full time

Description & Requirements

Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we’ve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now—unleash your potential with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Linux System Administrator to join our team in Laurel, MD at Emerson 8.

Responsibilities include, but are not limited to:

• Ability to analyze user’s requirements and high-level system architectures to develop system requirements
• Provide Tier 1(Help Desk) and Tier 2/3 (Escalation) problem identification, diagnosis, and resolution of problems
• Provide support to IT systems including day-to-day operations, monitoring, and problem resolution for all the clients/servers/network devices.
• Provide support for the patching systems and hardware problems and remains involved in the resolution process.
• Ability to support the planning and test analysis of the DoD Certification/ Accreditation process
• Ability to install Windows software and hardware applications; upgrade systems with new releases and models
• Must be able to create accounts, reset passwords, and provide desktop support to customers via phone, tickets, or in-person
• Must be willing to work a flexible schedule between 6:00am-6:00pm and may be assigned to an evening patching schedule

 Minimum Qualifications:

• Bachelor’s degree in a technical discipline from an accredited college or university; an additional 5 years of SA experience might be substituted for a degree
• 15+ years’ experience as a SA in programs and contracts of similar scope, type and complexity is required.
• Must be proficient with troubleshooting in a Linux Red Hat environment
• IAT II certification (DOD 8140 required within 60 days of starting employment.  Acceptable certifications include CCNA-Security, Security+)

Preferred Qualifications:

• Experience with SCANBOY or LatteArt
• Experience with RHEL 8 or 9
• Familiarity with JIRA ticketing system

Clearance Requirements:

• Must have a current active Top Secret/SCI with Polygraph

Physical Requirements:

• The candidate must be able to move, carry and deliver workstations from inside the office to customer’s desk.  The person in this position must be able to remain in a stationary position 50% of the time. Must communicate with co-workers, management, and customers, via email, phone, and or virtual communicati