Senior Network/Communications Engineer

Overview Nakupuna Companies is seeking a Senior Network/Communications Engineer to provide senior-level engineering leadership for enterprise wireless, voice, and data modernization initiatives in support of the Marine Corps Enterprise Network (MCEN-N) Wireless Lifecycle Refresh and Expansion program. This position will lead the design, configuration, integration, and troubleshooting of advanced Cisco Systems routing, switching, wireless, and Unified Communications environments, delivering secure, resilient, and mission-ready converged voice, video, and data capabilities across six U.S. Marine Corps installations under the PEO Digital TCS Program Office. The Senior Engineer will serve as a technical leader responsible for verification site surveys, engineering design, and EFIST (Engineer, Furnish, Install, Secure, and Test) execution of wireless access points, wireless controllers, IP-based voice services, routing and switching infrastructure, and supporting enterprise network components. This effort includes both replacement of end-of-life hardware and expansion of WLAN capabilities in accordance with Zero Trust and Comply-to-Connect principles. This role also provides senior engineering expertise for enterprise Cisco Systems Unified Communications and IP telephony environments, including call processing architecture, dial plan development, voice gateway integration, SIP/SRST survivability, QoS implementation, and voice quality troubleshooting. The Senior Engineer will ensure seamless integration of voice, wireless, and data services with existing MCEN-N enterprise services to maintain operational continuity and mission effectiveness. The candidate will work closely with Lead Systems Engineers, field implementation teams, and government stakeholders to support Technical Readiness Reviews (TRR), Government Acceptance Testing (GAT), cutover planning, and final operational turnover. The ideal candidate is willing and able to travel between North Carolina, South Carolina, Georgia, and Florida, bringing innovation, technical discipline, and mission focus to every solution deployed. Responsibilities The following reflects management's definition of essential functions for this position but does not restrict tasks that may be assigned. Lead and execute verification site surveys at government installations throughout the eastern United States to assess existing network, wireless, and voice infrastructure; establish current-state baselines; and validate technical requirements in support of MCEN-N modernization objectives. Serve as the senior technical lead for EFIST execution of enterprise wireless, routed, switched, and converged voice infrastructure supporting mission-critical operational environments. Engineer, configure, integrate, and optimize enterprise Cisco Systems routing, switching, and wireless solutions including Layer 2/Layer 3 services, TCP/IP, VLAN architecture, QoS, redundancy, multicast, secure segmentation, and campus-wide transport services. Provide senior engineering expertise for Cisco Systems Unified Communications and IP telephony environments, including call processing architecture, dial plan development, voice gateway integration, SIP/SRST survivability, endpoint provisioning, and voice quality troubleshooting. Support and advise the Lead Systems Engineer in development and execution of technical solutions, providing recommendations for design improvements, risk mitigation, operational efficiency, and overall technical performance. Develop detailed engineering designs, low-level implementation plans, network diagrams, inventories, cutover procedures, and as-built documentation for wireless, voice, and data infrastructure installations. Support Technical Readiness Review (TRR) activities by validating design maturity, confirming installation readiness, and ensuring technical, security, and logistical prerequisites are satisfied prior to deployment. Support Government Acceptance Testing (GAT) activities by validating operational performance, interoperability, security compliance, and adherence to approved customer acceptance criteria. Plan, coordinate, manage, and report installation, migration, and cutover activities for network and communications modernization efforts, including outage planning, rollback procedures, transition coordination, and schedule execution. Perform advanced troubleshooting, root-cause analysis, and operational support across LAN/WAN/MAN, wireless, routing, switching, and voice environments using packet capture, protocol analysis, and performance monitoring tools. Provide technical oversight for integration of upgraded infrastructure with existing enterprise services including authentication, access control, DHCP, DNS, NTP, call control, and network management systems. Maintain accurate technical documentation, inventories, configuration records, and turnover packages to support configuration management, sustainment, and government acceptance. Mentor junior engineers, installation teams, and project personnel on enterprise networking, wireless deployment, VoIP implementation, secure communications architecture, and disciplined field execution practices. Apply strong analytical, decision-making, and problem-solving skills while operating independently in fast-paced, ambiguous, and multi-directional project environments. Qualifications Education and Experience: Bachelor's degree in a technology related field, preferred 3 to 10+ years' experience in telecommunications and networking 3 to 10+ years' experience delivering solutions to government clients Physical Requirements: Frequently lift and/or move parts up to 40lbs, and occasionally lift and/or move parts up to 50lbs Stand, walk, stoop, kneel, crouch, or crawl for many continuous working hours Frequently use arms, hands, and fingers to grasp and move network equipment Frequently bend, stretch, twist, or reach overhead when moving network equipment Military Installation Access: This position supports military installations. The successful candidate: Must be a U.S. Citizen and able to obtain a base access pass Must be able to obtain a favorable National Security Agency Check (NACI) including a FBI fingerprint check Clearance Requirement: Must have an active Secret security clearance. Work Locations: Jacksonville, North Carolina, Havelock, North Carolina Na Ali'i Consulting & Sales, LLC.