System Administrator

General information

Requisition # R62428 Locations USA-MD-Hanover Posting Date 08/07/2025 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-oriented System Administrator to join our team in Hanover, Maryland.
 

Responsibilities include, but are not limited to:

• Provide support for implementation, troubleshooting, and maintenance of Information Technology (IT) systems
• Manage IT system infrastructure and processes related to those systems.
• Deliver Tier 1 (Help Desk) and Tier 2 (Escalation) support for problem identification, diagnosis, and resolution for client/server/storage/network devices, mobile devices, etc
• Optimize system operations, resource utilization, and perform system capacity analysis and planning
• Conduct detailed troubleshooting and provide in-depth IT system support
• Configure and manage UNIX and Windows operating systems; install/load OS software, maintain integrity, and configure network components
• Administer and maintain compliance with customer system security requirements including updates, patching, and reporting on hardware and software components

Minimum Qualifications:

• Bachelor’s degree in a technical discipline from an accredited college or university; an additional 5 years of SA experience might be substituted for a degree
• 10+ years of experience as a System Administrator (SA) on programs/contracts of similar scope, type, and complexity
• Experience implementing, operating, and monitoring TS/SCI systems
• Experience with automated data backup systems
• Experience implementing and managing Linux/Windows environments
• Experience managing virtualized platforms such as VMware ESXi or vSphere

Security Clearance Requirements:

• Active/Current TS/SCI with Polygraph
   

Physical Requirements:

• Must be able to bend, kneel, and reach as needed
• Capable of lifting to 20 lbs.
• Requires walking and performing repetitive motions
• Able to perform sedentary tasks and use a PC and standard office tools for extended periods

The projected compensation range for this position is $125,500.00-$210,200.00. 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.