Lead Network Engineer (DoD SMIT Contract)

About the role

Leidos is hiring a Lead Network Engineer for its SMIT (Service Management, Integration and Transport) contract in Pearl Harbor, Hawaii. The role supports the Navy-Marine Corps Intranet (NMCI), the largest IT services program for the U.S. Navy, acting as a technical leader and subject matter expert across BAN/LAN, Wireless and WAN/Boundary environments. You will design, implement and maintain global network and security solutions, including routing, switching, wireless, firewalls, DMZ and VPN.

Key responsibilities

• Lead engineering efforts and collaborate with teams across BAN/LAN, Wireless and WAN/Boundary architectures.
• Serve as a cybersecurity SME, providing inputs on STIG vulnerabilities for CORA inspections and leading enterprise-wide remediation.
• Create, modify and peer-review Engineering Implementation Plans (EIPs) and present them at Engineering Review Boards (ERB).
• Provide Tier-III escalation support to the Network Operations Center (NOC) and lead troubleshooting and root-cause analysis for complex incidents.
• Work a 24x7 on-call rotation to resolve critical network issues.
• Maintain professional communication with customers, domain architects, project managers and SRE leadership.
• Perform technical maintenance, performance tuning and configuration changes on routers, switches, firewalls, VPNs and DMZ appliances.
• Drive continuous service improvement by developing processes, writing SOPs/TTPs and identifying automation opportunities.

Required profile

• B.S. degree and 12+ years of prior relevant network engineering experience (experience may substitute for a degree).
• U.S. citizenship with an active DoD Secret security clearance.
• Active DoD 8570.01 IAT Level III certification (e.g., CCNP Security, CISSP, CASP+).
• Associate-level or higher network vendor certification from Cisco, Juniper, Palo Alto or F5 Networks.
• Ability to work or be called in during off-hours and to join a 24x7 on-call rotation.
• Preferred: prior experience with NMCI or other large-scale DoD enterprise networks, and a strong DevSecOps background.

Required skills

• Routing, switching, MPLS, BGP, OSPF, Spanning Tree, VLANs, LLDP, VoIP, Multicast.
• IP addressing and subnetting, deep knowledge of network topologies.
• Hands-on network automation and Infrastructure as Code (e.g., Ansible, Python).