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Salary: USD 243,290 - 295,250 / annual
Roblox is seeking a Senior Network Engineer to join the Data Center Network Engineering (DNE) pod within the Physical Networking team. This role owns the design, deployment, and operation of Roblox's large-scale data center network infrastructure, including server-layer connectivity, intra and inter-datacenter connectivity, high-performance networking (HPN) fabrics, and GPU cluster scaling for AI training and inference.
You will drive the design, deployment, and operations of Roblox's large-scale data center network. Key responsibilities include designing, qualifying, and validating new technologies and hardware for scalable solutions; coordinating data center builds and projects with multiple teams through weekly cross-team calls; working with Network Reliability Systems, Data Center Ops, Capacity Planning, Supply Chain, and Compute/ML teams to address network challenges early; and contributing to automation and telemetry that improve efficiency, reliability, and visibility.
This is an individual contributor role reporting to Vishal Sakpal in San Mateo. You will work on cutting-edge networking infrastructure supporting tens of millions of daily users across Roblox's platform.
Roblox offers hybrid work arrangements with onsite presence required Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday. All full-time employees receive equity compensation and comprehensive benefits.
REQUIREMENTS:
- 6+ years of expertise designing and deploying large-scale data center fabrics (CLOS)
- Proficiency deploying and managing 400G and 800G hardware
- Skilled in configuring and troubleshooting large-scale BGP deployments
- Strong knowledge of network protocols (TCP/IP, UDP, DHCP, DNS) with hands-on experience in IPv4 and IPv6
- Preferred: QoS, IS-IS, MPLS, RSVP-TE, DWDM, commercial NAT, open-source hardware and software
