This role is responsible for end-to-end fiber network design and project delivery with a focus on redundancy, resiliency, and backbone connectivity. Engineer 3 leads preliminary network designs, assesses fiber resiliency strategies, and supports CRAN overbuild and backbone connectivity initiatives. This position partners closely with Design, Construction, and ISO teams to deliver scalable network solutions, while managing projects, supporting break/fix activity, and ensuring alignment to cost, quality, and execution standards. - Skill: Network Engineering – ability to understand and interpret high-level network designs and architecture - Skill: Fiber Design – experience designing fiber paths for hub relocations, new hubs, and backbone connectivity - Skill: Fiber Optic Troubleshooting – ability to support break/fix activities and diagnose network resiliency issues - Skill: Project Management – ability to intake requirements, manage, track, and deliver projects end-to-end - Skill: Cost Modeling & Budgeting – experience developing preliminary cost models and managing budgets for redundancy builds - Skill: Communication – strong vertical and horizontal communication skills with leadership, construction, and cross-functional teams - Skill: Documentation – ability to document processes, project updates, and technical decisions clearly for downstream teams. Job Description. Key Responsibilities. Assess fiber redundancy and resiliency builds based on existing network designs. Design fiber paths for hub moves, new hub builds, and network expansion. Create and support CRAN overbuild projects, including preliminary design development. Develop cost models and preliminary designs for fiber connectivity to datacenters. Create and support backbone connectivity projects and associated preliminary designs. Manage project lifecycle from intake through design handoff and completion. Collaborate with Design, Construction, and ISO teams to execute network projects. Develop and manage budgets for redundancy and resiliency builds. Support break/fix activities and assist with network incident resolution. Work Environment. Hybrid role; must be based out of one of the following locations:Atlanta, GA – 2605 Circle 75 Pkwy SE, Atlanta, GA - Denver, CO – 8000 E Iliff Ave, Denver, CO - Philadelphia, PA – 1800 Arch St, Philadelphia, PA - Employees at all levels are expected to:Understand our Operating Principles; make them the guidelines for how you do your job. Own the customer experience think and act in ways that put our customers first, give them seamless digital options at every touchpoint, and make them promoters of our products and services. Know your stuff be enthusiastic learners, users and advocates of our game-changing technology, products, and services, especially our digital tools and experiences. Win as a team makes grandiose things happen by working together and being open to innovative ideas. Be an active part of the Net Promoter System, a way of working that brings more employee and customer feedback into the company by joining huddles, making call backs, and helping us elevate opportunities to do better for our customers. Drive results and growth. Support a culture of inclusion in how you work and lead. Do what is right for each other, our customers, investors, and our communities.