Principal Network Engineer, Backbone/Edge Network

Principal Network Engineer responsible for designing, deploying, and operating Roblox's global production backbone and edge network. Drives future design, deployment, and operations for large-scale network infrastructure. Collaborates with network tooling team to automate workflows and improve telemetry. Participates in on-call rotation. Based in Ashburn, VA with a hybrid work model (onsite Tuesday-Thursday, optional Monday/Friday).

8+ years experience designing, deploying, operating large-scale networks; 5+ years Backbone and Edge networks; expertise in routing protocols BGP, IS-IS, MPLS, RSVP-TE; working knowledge of TCP/UDP, DHCP, DNS, IPv4/IPv6; multi-vendor networking hardware; programming in Python, Go, or C/C++ preferred; collaborative team experience.