Network Administrator

Network Administrator at Leidos summary

Senior Network Engineer role supporting the Department of the Air Force to design, implement, maintain, and operate hybrid on‑premise and cloud network infrastructures, including SD‑WAN, switches, routers, and firewalls. Requires active Secret clearance (ability to obtain TS/SCI), 8–10+ years of experience with relevant certifications (CompTIA Security+, Microsoft fundamentals; Juniper/Cisco preferred), Linux/RHEL and network automation skills, and experience troubleshooting ISP and enterprise network issues.

Position includes escalation support for NSOC, cross‑team collaboration, mentoring, and handling sensitive government data in an Orlando, FL office with pay range indicated.

Job Summary

The Decision Advantage Business Area at Leidos has an opening for an experienced Secret‑cleared Network Engineer to work in our Orlando, FL office. Department of the Air Force (DAF) Battle Network and supporting infrastructure. In this mission we support the Department of the Air Force (DAF) to field and operate the customer’s Digital Infrastructure. The Network Engineer will be involved in day‑to‑day activities and strategic long‑term maturation of complex systems.

Details are as follows:

• Provide Network Engineering support for the design, implementation, maintenance, and operation of an existing and rapidly changing network architecture.
• Develop and review engineering artifacts for network infrastructure capabilities from on‑premise to cloud systems (i.e. switches, routers, firewalls, and cloud networking elements).
• Diagnose and resolve network issues impacting operation and performance in an Agile fashion.
• Primary resource for a hybrid SD‑WAN deployment in a specialized and technically diverse team.
• Serve as an escalation point for the network and security operation center (NSOC) regarding network issues and vendor/client onboarding.
• Work closely with network engineers, system administrators, and application developers to ensure seamless integration of network solutions. Brief stakeholders on prevalent efforts and roadblocks.
• Participate in and contribute to cross‑discipline training and mentoring efforts with fellow engineers.

• BS in Computer Science, IT, Cybersecurity, Network Engineering, or equivalent with 10+ years of experience, or MS with 8+ years of experience.
• Active and current Secret clearance with ability to obtain and maintain TS/SCI clearance.
• CompTIA Security+ (or equivalent DoD 8140 Intermediate certification).
• Microsoft Certified:
  Security, Compliance, and Identity Fundamentals.
• Demonstrated experience in campus/enterprise network design, implementation, maintenance, operation, and troubleshooting.
• Experience with RHEL integration and configuring, activating, testing, and analyzing network systems, including troubleshooting ISP connectivity issues.
• Proficiency in PC MS Office/M365 applications and ability to work directly with customers.
• Experience managing sensitive data for commercial and/or Government customers.

• Demonstrated proficiency with Juniper SD‑WAN.
• Juniper Certified or Cisco Certified (CCNP‑EI).
• Proficiency with network automation.
• Experience with general Linux administration.
• Experience with some of the various virtualization technologies.
• Knowledge of ITIL Change & Configuration Management.
• IAT Level III Certified.
• Certified Ethical Hacker (CEH).

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.

January 28, 2026

For 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 $92,300.00 - $

The Leidos pay range for this job level is a general guideline only and not a guarantee of…