Roblox
Senior Network Engineer - Data Center Networking
$219K–$266K
Ashburn, Virginia, United States +1 · Senior · Full-time · Posted Oct 9, 2026
- Location
- Ashburn, Virginia, United States
San Mateo, CA, United States - Experience
- 6+ years of expertise designing and deploying large-scale data center fabrics (CLOS).
- Visa sponsorship
- For US-based roles, the company may not be able to employ candidates whose US work authorization relates to certain U.S. visa categories or support future H-1B sponsorship at this time.
About the job
Designs, deploys, and operates Roblox’s large-scale data center network, including high-performance networking fabrics and networks for GPU clusters supporting AI training and inference.
What you'll do
- Design, deploy, operate, and validate data center network technologies and hardware.
- Coordinate data center builds and collaborate with networking, operations, capacity, supply chain, and compute/ML teams.
- Improve network automation and telemetry, and participate in a 24x7 global on-call rotation.
What they ask for
- 6+ years designing and deploying large-scale data center fabrics (CLOS).
- Experience with GPU clusters or AI/ML networking.
- Proficiency deploying and managing 400G and 800G hardware; skilled in configuring and troubleshooting large-scale BGP deployments.
- Strong knowledge of TCP/IP, UDP, DHCP, and DNS, with hands-on IPv4 and IPv6 experience.
Nice to have
- QoS, IS-IS, MPLS, RSVP-TE, DWDM, or commercial NAT.
- Open-source hardware and software.
Pay
$218,970 — $265,730 USD (base salary)
Tools
CLOS, 400G, 800G, BGP, TCP/IP, UDP, DHCP, DNS
AI focus
Networking for GPU clusters supporting AI training and inference workloads; experience with GPU clusters or AI/ML networking is required.
Model-written summary · the original posting is authoritative