Linux System Administrator

General information

Requisition #

R69545

Locations

USA-MD-Laurel

Posting Date

07/28/2026

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 is seeking a motivated, career and customer-oriented Linux System Administrator in Laurel, MD.

Become an integral part of a diverse team that delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation. It is the contract vehicle for the Enterprise Infrastructure Services organization overseeing MPO's Enterprise Information Technology (EIT). EIT is MPO's backbone- platform for all Enterprise users. Data Center & Compute Services is the EIS enabling organization working with customers, Integrated Product Teams (IPT), and vendors to deliver select EIT.

Responsibilities: Include but are not limited to:

• Analyze and resolve complex problems associated with server hardware, applications, and software integration.
• Configure and manage Linux operating systems alongside Windows 10/11 and Windows Server with automated tools such as Ansible and Puppet
• Install/load operating systems software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance.
• 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.
• End-User Support: Help desk support across all levels (both in-person and via phone)
• Scripting & Development: Scripting proficiency in PowerShell, Python, and Bash
• Infrastructure: NetApp storage management and Network administration
• Must be able to work late during patching days and cover a 6am-6pm shift.
• Core work hours are 6am to 6pm, work with team to determine 8-hour shift in this window

Minimum Qualifications:

• 20 years of experience and Bachelor's degree or 25 years of relevant experience with a high school diploma
• Experience with Linux OS and software and hardware applications
• 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
• Strong command-line skills such as PowerShell, Python, or Bash

Preferred Qualifications:

• Experience with SCANBOY or LatteArt
• Familiarity with enclave support

Clearance Requirements:

• Must have a current/active TS/SCI w/ Polygraph

Physical Requirements:

• The candidate should 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 communication, which may involve delivering presentations.

The projected compensation range for this position is $128,000.00-$214,400.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.