Principal Network Engineer (Backbone/Edge Network)

Location: United States; roles based at the Ashburn, VA data center require onsite presence Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday.

Company

Roblox operates a global platform for creating and experiencing 3D immersive digital experiences.

What you will do

• Architect and engineer the global backbone and edge network.
• Plan network growth and infrastructure investments to support rapid user growth.
• Design, deploy, operate, qualify, and validate networking technologies at scale.
• Collaborate with network tooling teams to automate workflows and improve telemetry, observability, and alerting.
• Participate in a 24/7 on-call rotation supporting global network infrastructure.

Requirements

• 8+ years of experience designing, deploying, and operating large-scale networks.
• 5+ years of experience designing and managing large-scale backbone and edge networks.
• Hands-on experience with BGP, IS-IS, MPLS, and RSVP-TE routing and switching protocols.
• Working knowledge of TCP/UDP, DHCP, DNS, IPv4, and IPv6.
• Experience with multi-vendor environments and networking hardware.
• Successful collaboration with multidisciplinary teams.

Nice to have

• Programming experience in Python, Go, or C/C++.

Culture & Benefits

• Work on technical challenges supporting tens of millions of users worldwide.
• Equity compensation and employee benefits are available to full-time employees.
• Reasonable accommodations are provided during the recruiting process for qualifying disabilities or religious beliefs.
• Future H-1B sponsorship may not be supported for US-based roles.