System Administrator

General information

Requisition #

R69886

Locations

USA-MD-Annapolis Junction

Posting Date

08/11/2026

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 System Administrator to join our team in the Annapolis Junction, MD

Responsibilities include but are not limited to:

• Provide support for implementation, troubleshooting and maintenance of networked and disconnected computer systems, with the ability to brief outcomes to various audiences.
• Manage the daily activities of upgrading, installing, and configuring software and computer hardware systems to support multiple system configurations.
• Provides Tier III engineering support to a globally distributed services team using multiple HW end points with VDI, Windows, Unix, and Cloud environments.
• Design and document system configurations and changes, while occasionally working flexible hours to support SLAs and other deliverables.
• Provide support to computer systems and component level Trade-Off Analysis & Analysis of Alternatives and contribute to draft presentations with results and recommendations.
• Apply concepts and define and implement hardware and software configuration management processes and procedures, such as creating product build scripts and procedures, and integrate those scripts with the hardware and software build process.
• Performing regular security monitoring, testing, and mitigate findings.

Basic Qualifications:

• 3+ years of experience with a bachelor's degree or 2 more years of experience can be substituted for a bachelor's degree
• Experience with ticketing systems
• Experience with Windows and Linux systems
• Security + Certification

Preferred Qualifications:

• Bachelor's degree in a STEM area with 5+ years of relevant experience
• RED Hat Certification.
• Nutanix
• Splunk
• Able to support 20% travel.

Clearance Requirements:

• Active TS/SCI clearance with Poly

Physical Requirements:

• Maintains a regular sedentary position, attends meeting both virtually and in person, constantly positions self to maintain computers in the lab, including under the desks and in the server closet and must be willing to travel as needed to support operational demands.

The projected compensation range for this position is $85,000.00-$141,600.00. 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.