Lead Physical Network Engineer – Backbone Fiber Infrastructure

Meta; Dover (DE); On-site; USD 162,000 - 227,000; Full time

Job summary

Meta’s LTD team designs the physical infrastructure for a rapidly scaling IP and optical backbone. We seek a network engineer to own Inside Plant (ISP) and Outside Plant (OSP) designs for Backbone POPs and ILA huts, translating topology into rack layouts, power needs and fiber plans.

You will produce BOMs, engage with suppliers such as Amphenol and Corning, and craft high‑level site design standards. Strong documentation and cross‑functional collaboration are essential.

Qualifications

• Bachelor's degree in computer science, electrical or telecom engineering, or equivalent experience.
• 6+ years designing physical fiber infrastructure (OSP/ISP) in telecom or hyperscale settings.
• Strong fiber fundamentals, including single-mode/multimode, LC/MPO, fusion/splicing, OTDR testing.
• Ability to translate network designs into physical build specifications and layouts.
• Experience producing clear technical docs and coordinating across teams and vendors.

Responsibilities

• Architect, design, engineer and implement scalable physical infrastructure for backbone POPs and ILA huts.
• Translate IP/topology into physical designs: rack layouts, space/power needs, fiber counts, patching.
• Own site design standards and refresh them as technology evolves.
• Produce material forecasts and BOMs for manufacturers.
• Engage with vendors and shelter manufacturers to evolve topologies and drive supply.
• Create engineering docs and present designs in cross-functional reviews.
• Support design automation and tooling for BOMs, fiber plant and rack modeling.
• Support site sourcing with floor plans aligned to design standards.
• Guide delivery teams by reviewing migration plans.

Skills

Physical design

Fiber optics

Documentation

Rack layouts

Power planning

Vendor engagement

Python scripting

Topology understanding

Education

Bachelor's degree in CS

Bachelor's degree in Electrical or Telecommunications Eng

Job description

Meta’s LTD team designs the physical infrastructure for a rapidly scaling IP and optical backbone. We seek a network engineer to own Inside Plant (ISP) and Outside Plant (OSP) designs for Backbone POPs and ILA huts, translating topology into rack layouts, power needs and fiber plans.

You will produce BOMs, engage with suppliers such as Amphenol and Corning, and craft high‑level site design standards. Strong documentation and cross‑functional collaboration are essential.