Senior Network Engineer

Senior Network Engineer designs, implements, and supports Zillow’s network infrastructure to ensure secure, reliable, and scalable connectivity for employees, customers, and platforms. This role applies seasoned technical expertise to resolve moderately complex network issues, collaborates with cross-functional teams to deliver stable services, and contributes to continuous improvement of network performance, monitoring, and automation. We are recruiting a top-performing Senior Network Engineer to serve as the technical owner for Zillow’s on-prem network and employee access infrastructure.

Responsibilities

Own the architecture, standards, and lifecycle of on-prem network infrastructure across Zillow offices; Design, operate, and evolve LAN, WAN, and Wi-Fi networks; Lead equipment refreshes, obsolescence management, and vendor strategy; Design networking for new office builds, expansions, and relocations; Own Wi-Fi architecture, performance, and user experience; Own the Cisco SSL client VPN platform, including reliability, security, and user experience; Ensure secure and dependable employee remote access; Partner with endpoint, identity, and security teams on the design and rollout of Zero Trust Network Access (ZTNA); Help guide architectural decisions during the transition from VPN-centric access to Zero Trust models; Serve as senior escalation for complex incidents and outages; Develop and maintain documentation, standards, diagrams, and runbooks; Mentor and uplift junior engineers through technical leadership and collaboration; Make pragmatic, cost-conscious decisions that balance reliability, security, and sustainability

Requirements

Deep experience designing and operating enterprise on-prem networks; Strong expertise with Juniper switching, routing, and wireless (EX, QFX, SRX, Mist); Strong understanding of physical network infrastructure (MDF/IDF design, cabling, optics, circuits); LAN/WAN fundamentals: TCP/IP, VLANs, BGP, OSPF, VRFs; Enterprise Wi-Fi architecture and troubleshooting; Experience operating enterprise remote access solutions (e.g., SSL VPN); Solid grounding in network security and identity-aware access concepts; Network monitoring, incident response, and root-cause analysis; Strong written and verbal communication skills; Is a builder and owner, not just an operator; Takes pride in stable, well-run, and well-documented environments; Thinks holistically about employee experience; Communicates clearly and calmly, especially during incidents; Leads through influence and technical credibility; Values mentoring and developing more junior engineers; Balances security, reliability, and cost with sound judgment; Seeks to understand business context and user needs

Nice to have

Prior hands-on implementation of specific ZTNA products; Cloud/AWS networking; Container or microservices networking; Heavy automation experience

Benefits

incentive compensation