Network Administrator III

General information

Requisition # R65899 Locations USA-CA-San Diego Posting Date 02/06/2026 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 Southern California Tactical Training Range (SCTTR) Network Administrator III to join our team in Naval Air Station (NAS) North Island (NI), Coronado, CA. This position is on-site 5 days a week. 

Responsibilities include but are not limited to:

• Provides technical expertise in the management of a public and/or private network; tests and analyzes network facilities, including network control software, routers, switches, lines, modems, adapters and servers 

• 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 software. Requires specialized skills or is multi-skilled developed through job-related training and considerable on-the-job experience

• Completes work with a limited degree of supervision   

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.