Network Administrator
Tucson, AZ, United States
- IT
- Full-time
- Network Administrator
- TS/SCI clearance
- network security
The Network Administrator at Leidos supports critical national defense missions by managing secure network connectivity, configuring and troubleshooting networking devices, and ensuring compliance with security guidelines. The role requires expertise in network monitoring tools, cable and fiber management, and coordination with defense intelligence agencies. Candidates must hold a TS/SCI clearance and possess relevant certifications and extensive experience in network administration.
Description
Leidos is seeking a high‑impact Network Administrator to join our team at Davis Monthan AFB, AZ, supporting one of the most critical missions in national defense: Air Combat Command’s (ACC) Intelligence, Surveillance, and Reconnaissance (ISR) operations. This isn’t just another IT job—you’ll be at the center of safeguarding and enabling secure communications that directly support warfighters and intelligence professionals worldwide. Candidates must hold a TS/SCI clearance to step into this mission‑critical role.
What You’ll Do:
Manages system network connectivity to all Site SCI Units and SCIFs.
Uses network tools such as SolarWinds and GEM monitoring tools.
Configures networking devices including switches, routers, and Taclanes.
Troubleshoots circuit actions up to the layer-3 level.
Conducts staff assistance visits as required/requested.
Configures networking equipment IAW STIG’s and other applicable guidance.
Manually upgrades and patches networking devices.
Performs cable and fiber management.
Installs, configures, and troubleshoots voice over IP phones. Installs, configures, and troubleshoots video teleconferencing systems.
Oversees and manages IP subnet allocations. Assists in keying and managing site-wide cryptologic devices.
Coordinates network actions with Defense Intelligence Agency and 16th AF.
Develops network and infrastructure maps.
What You Bring
Bachelor’s degree and 10+ years of relevant experience (or Master’s with 8+ years). Equivalent experience may be considered in lieu of degree.
CompTIA Security+ certification required; Network+ or higher preferred.
Active TS/SCI security clearance on day 1.
EIO2024
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
Original Posting:
December 11, 2025For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:
Pay Range $73,450.00 - $132,775.00The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
About Leidos
Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.
Pay and Benefits
Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.
Securing Your Data
Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.
Commitment to Non-Discrimination
All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.
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