Network Engineer

Network Engineer at Leidos summary:

Senior Network Engineer role supporting the Department of the Air Force in Orlando, FL to design, implement, maintain, and troubleshoot on-premise and cloud networking (switches, routers, firewalls, SD-WAN) within a hybrid environment. Requires active Secret clearance (ability to obtain TS/SCI), strong enterprise/campus networking experience, RHEL/Linux familiarity, SD-WAN (Juniper preferred), network automation, and relevant certifications (CompTIA Security+, Microsoft security fundamentals; CCNP/Juniper certs preferred).

Position involves escalation support for NSOC, vendor/client onboarding, cross-discipline collaboration, and mentoring on secure, mission‑critical infrastructure.

Description

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 (CCNPEI).
• 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).

Pay Range: $92,300.00 - $

Original Posting:
January 28, 2026

Pay and benefits:

Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at

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. Visit  for more information.

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