• Design and engineer core transport and IP network infrastructure, including backbone routing, aggregation layers, and optical transport systems. • Develop and maintain detailed engineering documentation, including network diagrams, circuit designs, routing configurations, and implementation guidelines. • Plan and provision transport and Ethernet circuits, including channel mapping and capacity allocation across the core network. • Support deployment and integration of routers, transport systems, and optical equipment within Brightspeed central offices and network facilities. • Collaborate with planning, OLT, and implementation teams to ensure alignment of network design, build schedules, and operational requirements. • Perform capacity planning, traffic analysis, and redundancy planning to support network growth and maintain high service availability. • Ensure engineering designs comply with Brightspeed standards, industry best practices, and vendor specifications. • Provide technical guidance during installation, testing, and commissioning of network equipment and transport circuits. • Troubleshoot complex network issues affecting transport systems, routing infrastructure, or backbone connectivity. • Review vendor proposals and evaluate equipment suitability, network architecture, and integration requirements. • Participate in network modernization initiatives, including router upgrades, optical transport expansion, and backbone resiliency improvements. • Support project managers and implementation teams by tracking engineering deliverables and resolving technical issues during deployment. • Conduct network audits and design reviews to ensure compliance, performance, and operational readiness.