Senior Linux Systems Administrator
MantechLaurel, Maryland, United States
Posted March 31, 2026
128000 - 214400 USD
Full Time
About the Company
Mantech is a technology and services firm that partners with U.S. federal agencies, the military, and allied organizations to deliver secure, mission‑critical solutions. Leveraging more than 57 years of experience, the company specializes in cyber defense, intelligence and counter‑intelligence, systems engineering, enterprise IT, software development, data analytics, and C4ISR/C5ISR capabilities. With a workforce of nearly 9,800 employees—40 % veterans and many from intelligence and homeland‑security backgrounds—Mantech brings firsthand operational insight to every project. Its reputation for reliability, adaptability, and a deep commitment to public service makes it a trusted partner for complex, high‑stakes challenges across defense, healthcare, and environmental sectors.
Job Description
Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. As a Senior Linux Systems Administrator, you will be responsible for providing support to IT systems, analyzing user's requirements, and developing system requirements.
Requirements
- Ability to analyze user's requirements and high-level system architectures to develop system requirements
- Provide Tier 1-3 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
- 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 help desk customer service via phone, or tickets
- Must be able to work late during patching days and cover a 6am-6pm shift
Benefits
- Health Insurance
- Life Insurance
- Paid Time Off
- Holiday Pay
- short-term and long-term Disability
- Retirement and Savings
- Learning and Development opportunities
- wellness programs