Network Computer Systems Administrator

General information

Requisition # R65846 Locations USA-VA-Virginia Beach Posting Date 02/05/2026 Security Clearance Required Secret Remote Type Onsite Time Type Full time

Description & Requirements

Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we’ve been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now—protect and innovate with MANTECH!

***This is for a future opportunity***

MANTECH seeks a motivated, career and customer-oriented Network Computer Systems Administrator III to join our team in Virginia Beach, VA. This position is on-site 5 days a week. 

Responsibilities include but are not limited to:

• Installs, supports and/or maintains LANs and/or WANs; evaluates and recommends networking product and software upgrades 

• Performs technical analyses of software, hardware and transmission facilities using various diagnostic tools in support of efficient network operations 

• Monitors data traffic and controls network resource performance to ensure high-quality transmission 

• Identifies, diagnoses and resolves technical problems related to network failure/integrity and usage of PC hardware and softwareRequires comprehensive understanding of processes, procedures, and systems within own and related areas

• Requires developed advanced specialized expertise within an analytical or technical area to perform the most complex work

• Requires tact and diplomacy to communicate ideas in a concise and logical way.  

Minimum Qualifications:

• Bachelor’s degree (4 years of experience can be substituted for a degree)

• Nine (9) Years of information technology experience

Preferred Qualifications:

• Master of Science Degree in Information Technology or related field.

• Familiarity with the United States Navy preferred.

• Experience with NSWC Corona RS Division and NCTE

Clearance Requirements:

• Must have a current/active Secret Clearance with ability to obtain TS.

Physical Requirements:

• 10% travel anticipated.

• Work will require movement from MANTECH Site to Government for client meetings and support functions. 

• 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