Principal Network Engineer, Backbone/Edge Network

Roblox Corporation; San Mateo (CA); On-site; USD 266,000 - 321,000; Full time

Job summary

Roblox Corporation is seeking a Principal Network Engineer to plan and scale Roblox Backbone and Edge Network globally. You will lead design, deployment, and operations to support rapid user growth and a reliable hosting platform.

This role requires 8+ years in large‑scale network design and 5+ years on Backbone/Edge networks, multi‑vendor hardware, and scripting in Python/Go/C/C++. On‑site in US offices with 24x7 on‑call support.

Qualifications

• 8+ years designing, deploying and operating large‑scale networks.
• 5+ years designing and managing Backbone and Edge Networks.
• Experience configuring and troubleshooting routing and switching protocols (BGP, IS‑IS, MPLS, RSVP‑TE).
• Working knowledge of core network protocols (TCP/UDP, DHCP, DNS) and IPv4/IPv6.

Responsibilities

• Serve as a Principal Engineer for Roblox's Backbone Network.
• Drive future design, deployment, and operations for Roblox’s large‑scale Network Infrastructure.
• Engage in design, qualification, and validation of new technologies and ensure deployability at scale.
• Collaborate with the Network Tooling Team to automate workflows, telemetry, observability, and alerting.
• Work with net tools to automate workflows and improve telemetry/alerting framework.
• Participate in on‑call rotation to support the global network infrastructure 24x7.

Skills

8+ years experience designing large‑sc

5+ years Backbone/Edge Networks

BGP/IS-IS/MPLS/RSVP-TE

IPv4/IPv6, TCP/UDP, DHCP, DNS

Multi‑vendor hardware experience

Python/Go/C/C++ programming

Cross‑functional collaboration

Tools

Networking hardware

Multi‑vendor environments

Job description

Principal Network Engineer, Backbone/Edge Network

Ashburn, Virginia, United States; Washington, District of Columbia, United States Engineering ID: 23750

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators.

At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there.

A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone.

As a Principal Network Engineer, you will work cross-functionally to plan the growth of Roblox’s global production network to support rapid user growth. In this role, you are responsible for Engineering and Architecture of Roblox Backbone and Edge Network. You will ensure that we are making the right investments with our global expansion to provide a great experience for all our users worldwide. We run services and a hosting platform with some unique complexities, so this role is an opportunity for the experienced network engineer to take on new challenges in addition to applying their existing expertise.

You Will:

• Serve as a Principle Engineer for Roblox's Backbone Network.
• Drive future design, deployment, and operations for Roblox’s large-scale Network Infrastructure.
• Engage in design, qualification, and validation of new technologies, and ensure new technologies are deployable at scale and are safely operable.
• Collaborate with the Network Tooling Team to automate workflows and improve telemetry, observability, and alerting.
• Work with net tools to automate existing workflows and improve our telemetry and alerting framework.
• Participate in on-call rotation to support the global network infrastructure 24x7.

You Have:

• 8+ years of work experience responsible for designing, deploying and operating large-scale networks.
• 5+ years of work experience designing and managing large scale Backbone and Edge Networks
• Experience configuring and troubleshooting routing and switching protocols (BGP, IS-IS, MPLS, RSVP-TE,).
• Working knowledge of network protocols (TCP/UDP, DHCP, DNS) and experience with IPv4 and IPv6.
• Experience working in a multi-vendor environment with hands-on experience with networking hardware.
• Experience in at least one programming language like Python, Go, C/C++ is a plus.
• A track record of successful collaboration with multidisciplinary teams.

Annual Salary Range

$265,730 — $320,890 USD

Roles that are based in an office are onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday (unless otherwise noted).

Roblox provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Roblox also provides reasonable accommodations to candidates with qualifying disabilities or religious beliefs during the recruiting process.

For US based roles only, please note the Company may not be able to employ candidates for this role who have United States work authorization related to certain U.S. visa categories, or support future H-1B sponsorship at this time.