Senior Engineer

Responsibilities

• Contribute to the design, implementation, and operation of high availability and geo-redundant WiFi platforms and services
• Design, deploy, and maintain complex L2/L3 networking and WiFi architectures in large-scale environments
• Engineer and support F5 BIG-IP technologies (LTM, DNS/GTM, WAF) to enable reliable traffic management and security
• Support the engineering and operations of a nationwide hotspot network serving millions of customer sessions
• Implement platform security best practices, including service hardening, mTLS/PKI usage, and secure API integrations
• Participate in observability efforts, including metrics, logging, alerting, and troubleshooting
• Perform performance analysis, capacity planning, and failure testing in partnership with operations teams
• Mentor junior engineers and support the development of team technical skills and best practices

Requirements

• 7–10 years of experience in IP networking, WiFi, or distributed systems engineering
• Strong working knowledge of IP networking technologies (IPv4/IPv6, BGP, OSPF, DNS, DHCP, NAT)
• Hands-on experience supporting F5 BIG-IP solutions (LTM, DNS/GTM, WAF) in production environments
• Solid understanding of WiFi technologies including 802.11 standards, WPA2/WPA3, Passpoint/Hotspot 2.0, roaming, RADIUS, and EAP
• Experience designing, deploying, or operating highly available and secure networked systems
• Bachelor’s degree in Engineering, Computer Science, or equivalent practical experience

Preferred Qualifications

• Experience working in containerized or cloud-native environments (Kubernetes, service mesh, etc.)
• Familiarity with infrastructure as code and automation tools (Terraform, CI/CD pipelines)
• Experience with observability tools such as Prometheus, Grafana, or OpenTelemetry
• Exposure to performance engineering concepts such as load testing and capacity planning

About the Company

Comcast is a Fortune 30 global media and technology company. From the connectivity and platforms we provide, to the content and experiences we create, we reach hundreds of millions of customers, viewers, and guests worldwide.