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General information

Requisition #
R60131
Locations
USA-TX-San Antonio
Posting Date
04/29/2025
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 System Administrator, to join our team in San Antonio, TX.  The team delivers enterprise infrastructure capabilities for a global workforce performing a wide range of missions in defense of our Nation. This effort is the contract vehicle for the Enterprise Infrastructure Services organization overseeing MPO’s Enterprise Information Technology (EIT). EIT is MPO’s backbone- platform for all Enterprise users. Data Center & Compute Services is the EIS enabling organization working with customers, Integrated Product Teams (IPT), and vendors to deliver select EIT.

Responsibilities Included but are not limited to:

  • Responsible for providing support for implementation, troubleshooting and maintenance of Information Technology (IT) systems.

  • Responsible for support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc.

  • Responsible for P\providing Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems.

  • Responsible for providing support for the escalation and communication of status to agency management and internal customers

 Minimum Qualifications:

  • Bachelor’s degree in a technical discipline from an accredited college or university is required.  Five (5) years of additional Systems Administration experience may be substituted for a bachelor’s degree.

  • Ten (10) years experience as a Systems Administrator in programs and contracts of similar scope, type, and complexity is required. 

Preferred Qualifications:

  • ​​Experience providing Help Desk support

  • Willing to work shift work and rotating schedule

Clearance Requirements:

  • Must have a current/active TS/SCI w/ Polygraph.     

Physical Requirements:  

  • Bending, carrying, kneeling, lifting, light work up to 20 lbs., reaching, repetitive motions, sedentary work, walking, working with data, ability to handle stress & work under pressure, ability to use MS Office, ability to use a PC, analytical or critical thinking skills, interpersonal & people skills, leadership skills, listening skills, multi-tasking ability, oral & written communication skills, organizational skills.


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.