Senior Systems Administrator
MantechUnited States
Posted April 30, 2026
105900 - 177300 USD
Full Time
About the Company
MANTECH is a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact.
Job Description
MANTECH seeks a motivated, career and customer-oriented Senior Systems Administrator to join their CASTLE-NET Program team. This is a remote position. Responsibilities include managing and maintaining the IT infrastructure, installing and configuring servers, and providing customer-focused IT support services.
Requirements
- Managing and maintaining the IT infrastructure to ensure reliability, performance, and security across Windows, Linux, and VMware environments
- Installing, configuring, and supporting servers and virtualized environments
- Maintaining comprehensive documentation of system configurations and procedures
- Planning and leading major technology assignments and evaluating performance results
- Functioning as a technical expert across multiple project assignments, providing world-class IT services and responsive customer support
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