Senior Engineer, Xfinity Wifi

The Comcast Nbcuniversal Foundation Inc

Philadelphia, PA, US
Fully remote
7-10 years ip networking experience
F5 big ip ltm dns gtm waf expertise
L2/l3 networking and wifi architecture design
The Senior Engineer will contribute to the design, implementation, and operation of high availability and geo-redundant WiFi platforms serving millions of sessions across ~23M access points

Job Summary

  • The Senior Engineer will contribute to the design, implementation, and operation of high availability and geo-redundant WiFi platforms serving millions of sessions across ~23M access points.
  • This role requires hands-on engineering expertise in F5 BIG-IP technologies including LTM, DNS/GTM, and WAF to ensure reliable traffic management and security.
  • Candidates are expected to mentor junior engineers, participate in system architecture reviews, and demonstrate operational rigor while collaborating with cross-functional partners.

Matching Summary

The Senior Engineer will contribute to the design, implementation, and operation of high availability and geo-redundant WiFi platforms serving millions of sessions across ~23M access points.

Skills & Requirements

Must-have

  • 7-10 years IP networking experience
  • F5 BIG IP LTM DNS GTM WAF expertise
  • L2/L3 networking and WiFi architecture design
  • IPv4/IPv6 BGP OSPF DNS DHCP NAT knowledge
  • 802.11 standards WPA2/WPA3 Passpoint roaming RADIUS EAP

Nice-to-have

  • Kubernetes containerized or cloud native environments
  • Infrastructure as code Terraform CI/CD pipelines
  • Observability tools Prometheus Grafana OpenTelemetry
  • Performance engineering load testing capacity planning
  • Cross-functional collaboration with product teams

Key Requirements

  • Bachelor's degree in Engineering or Computer Science
  • 7-10 years professional experience in IP networking or distributed systems
  • Hands-on production experience with F5 BIG IP solutions

Work Rights

Not specified

Tailored Resume

Cover Letter