Window System Administrator

General Information

Requisition # R63629 Locations USA-MD-College Park Posting Date 10/14/2025 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 Windows Systems Administrator to join our team in College Park, Maryland.

The position is part of a team that provides Windows Systems Administration support for an organization that is tasked with researching challenging problems within the Intelligence Community.

Responsibilities include, but are not limited to:

• Will work with a small team to provide a full range of systems administration capability to a dynamic team of researchers at the Laboratory for Physical Sciences
• Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all client/server/storage/network devices and peripherals
• Provides Tier 1 through Tier 3 problem identification, diagnosis and resolution of problems.
• Provides support for the escalation and communication of status to the supported organization’s management and internal customers
• Manages and maintains Windows VMs and operating systems, including installation, configuration, integrity checks, network configuration, and performance enhancements.

Minimum Qualifications:

• 8+ years of System Administration experience
• Proficiency in Windows Server administration, including Active Directory, Group Policy, DNS, DHCP, Hyper-V, and File and Storage Services
• Experience with RDS-based VDI, including user provisioning and basic performance troubleshooting
• Experience with Microsoft Exchange Server administration, including mailbox management, database maintenance, and troubleshooting
• Experience with backup and recovery platforms (Data Protection Manager or equivalent enterprise solutions)
• Strong documentation and communication skills, including maintaining runbooks and checklists

Preferred Qualifications:

• Bachelor’s degree computer science or a related area

Security Clearance Requirements:

• TS/SCI w/ FSP

Physical Requirements:

• Must be able to remain in a stationary position for extended periods of time
• Needs to install various IT devices in racks and on desktops
• The person in this position frequently communicates with co-workers, management and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations

The projected compensation range for this position is $105,800.00-$175,900.00. 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 International Corporation 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.