Zachary Piper Solutions is seeking a Network Systems Engineer to support a large-scale government enterprise network in Pearl Harbor, HI. The Network Systems Engineer will apply Tier III expertise to resolve complex network challenges and enhance mission-critical operations across LAN/WAN/WLAN, network boundaries, routing, switching, and security. Location: Pearl Harbor, HI, 100% Onsite Clearance: Active Secret Security Responsibilities of the Network Systems Engineer include: • Configure, maintain, and engineer routers, switches, VLANs, wireless infrastructure, firewalls, network sensors, and boundary systems. • Serve as the Tier III escalation resource and technical SME for routing, switching, SD-WAN, WLAN, MPLS, VPNs, OSPF, BGP, EIGRP, and multicast. • Develop Engineering Implementation Plans and change documentation for network deployments, upgrades, and maintenance activities. • Perform Root Cause Analysis, maintain configuration baselines, and support compliance with DISA STIGs and cybersecurity policies. • Validate firmware, configuration changes, and security patches in lab and pre-production environments. • Collaborate with engineering and operations teams and participate in Agile/SAFe planning and technical demonstrations. Qualifications for the Network Engineer include: • 8+ years of professional experience in network engineering within large-scale enterprise environments. • Strong experience designing, supporting, and troubleshooting BAN, LAN, WAN, and LAN environments, including network boundary infrastructure. • Extensive hands-on experience performing network maintenance, configuration, troubleshooting, and engineering activities across complex network environments. • Demonstrated experience serving as a Tier III escalation resource for complex network incidents and advanced technical issues. • Hands-on expertise troubleshooting routing, switching, SD-WAN, WLAN, MPLS, VPNs, OSPF, BGP, EIGRP, switching protocols, and multicast technologies. • Ability to participate in an on-call rotation and perform off-hours maintenance activities as required. • Travel: Up to 10% Compensation for the Network Engineer includes: • Salary: Approximately $100,000-$104,000 Depending on Experience • Benefits: Comprehensive medical, dental, vision, 401(k), paid time off, paid holidays, and additional employee benefits This job opens for applications on 10/15/2026. Applications for this job will be accepted for at least 30 days from the posting date. Keywords: Network Engineer, Network Boundary Engineer, BAN, LAN, WAN, WLAN, Routing, Switching, SD-WAN, MPLS, VPN, OSPF, BGP, EIGRP, Multicast, VLAN, Wireless Networking, Network Security, Defense-in-Depth, Tier III Support, Enterprise Networking, Configuration Management, Change Management, Root Cause Analysis (RCA), Engineering Implementation Plans (EIP), SAFe Agile, JIRA, Cisco, CCNP, CCIE, Arista, Ansible, Python, DoD 8570, IAT II, IAT III, Security+, Secret Clearance, NMCI, Department of Defense, Network Infrastructure, Systems Engineer, Enterprise Network Engineer #LI-ONSITE #LI-MD1