Network Operations Engineer (SME/Technical Advisor), Tucson, AZ - Onsite

This principal-level engineer serves as the networking SME for Raytheon Digital Technology’s Classified Infrastructure Services organization. The position leads troubleshooting and solution design for complex Cisco LAN/WAN, routing, switching, firewall, segmentation, encryption, and secure communications environments. It also guides major network projects, technology evaluations, operational standards, modernization roadmaps, and performance improvements across multiple programs. The engineer works closely with cybersecurity, systems engineering, operations, vendors, and senior leaders, while mentoring less-experienced networking staff and briefing executives on significant initiatives. This opportunity suits an experienced classified-network professional who can combine deep technical expertise with strategic planning, communication, and organizational leadership in an onsite defense environment.