Systems Administrator

General information Requisition # R68143 Locations USA-MD-Laurel Posting Date 05/28/2026 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 seeks a motivated, career and customer-oriented Systems Administrator to join our team in Laurel, MD. You will be part of a dedicated team delivering enterprise infrastructure capabilities for a global workforce that supports a wide range of national defense missions. This role directly supports the Enterprise Infrastructure Services (EIS) organization—the foundation of all Enterprise Information Technology (EIT) for MPO. Responsibilities include but are not limited to: Configure, manage and troubleshoot Windows and Linux operating systems. Installs/loads operating system software, troubleshoot and maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance. Provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manage IT system infrastructure and any processes related to these systems. Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all the client/server/storage/network devices, mobile devices, etc. 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 system capacity analysis and planning. Analyze and resolve complex problems associated with server hardware, applications and software integration.

Minimum Qualifications:

Bachelor's degree in technical discipline from an accredited college or university. 10 years' experience as a Systems Administrator in programs and contracts of similar scope, type and complexity is required. Must be proficient with troubleshooting in a Windows/Linux environment. 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)

Preferred Qualifications:

Experience/familiarization with full lifecycle management of Linux systems, to include provisioning, configuration management and patching. Experience with VMware Experience with NetAPP (backing up for VMs, Linux and Windows).

Clearance Requirements:

Must have a current/active Top Secret/SCI with

Polygraph Physical Requirements:

The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to collaborate with other leaders/teams, use standard office automation equipment, and virtual communication. The projected compensation range for this position is $107,900.00-$179,400.00. 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.