Senior Planning Engineer

Lumen is the trusted network for AI. We're transforming how businesses connect, secure, and scale in an AI-driven world. By connecting people, data, and applications quickly, securely, and effortlessly, we help organizations move faster and unlock what's next. At Lumen, people power progress. Our culture is built on teamwork, trust, and transparency, giving you the flexibility, support, and opportunity to make a lasting impact. We're looking for top-tier talent ready to take on the challenge. Join us in building the future. The Role: The Senior Planning Engineer - Metro Core Transport is responsible for end‑to‑end capacity planning, optimization, and network augmentation across Metro Core and local IOF transport networks. This role partners closely with strategic planning, tactical transport, provisioning, construction, and operations teams to ensure the network meets near‑ and long‑term growth, reliability, and performance objectives. The successful candidate will act as a subject‑matter expert for metro transport architectures, lead complex planning initiatives, and drive data‑driven decisions that support customer demand, capital efficiency, and operational stability across assigned markets. The Senior Planning Engineer plays a critical role in ensuring the metro core transport network remains scalable, reliable, and ready to support customer growth and emerging technologies. This position directly influences service quality, capital effectiveness, and the long‑term health of the network. Location: This is a work from home position within the U.S. The Main Responsibilities: * Develop and execute Metro Core and local IOF transport capacity plans, including Wave, DWDM, Ethernet/ECN, and HRM‑managed routes. * Analyze wave path trending, top‑route…