Principal Network Engineer, Backbone/Edge Network

Roblox
Ashburn +1 more
On-site

In the 12 months to 30 Jun 2026, Roblox filed 2 H-1B positions titled "Senior Network Engineer". Source: U.S. Department of Labor, LCA disclosure data. A record of filings already made, not a commitment to sponsor.

Who this role is best for

Experienced network engineers with backbone/edge network expertise and multi-vendor hardware skills will find this global infrastructure role.

Best fit for

  • Candidates with 8+ years of experience in large-scale network design and operations, particularly in backbone and edge networks.
    — “8+ years of work experience responsible for designing, deploying and operating large-scale networks.”
  • Individuals who have led the deployment of routing and switching protocols such as BGP, IS-IS, and MPLS in complex settings.
    — “Experience configuring and troubleshooting routing and switching protocols (BGP, IS-IS, MPLS, RSVP-TE).”
  • Candidates with a background in automating network workflows and improving observability systems.
    — “Collaborate with the Network Tooling Team to automate workflows and improve telemetry, observability, and alerting.”

Things to consider

  • The role requires on-call support for global network infrastructure, implying 24x7 availability expectations.
    — “Participate in on-call rotation to support the global network infrastructure 24x7.”
  • The position may not be open to non-US candidates due to visa sponsorship limitations.
    — “Company may not be able to employ candidates for this role who have United States work authorization related to certain U.S. visa categories.”

How to stand out

  • Highlight experience with multi-vendor network hardware and large-scale infrastructure management in your resume.
    — “Experience working in a multi-vendor environment with hands-on experience with networking hardware.”
  • Demonstrate your ability to validate and deploy new technologies at scale during interviews.
    — “Engage in design, qualification, and validation of new technologies, and ensure new technologies are deployable at scale and are safely operable.”
  • Emphasize collaboration with multidisciplinary teams and cross-functional impact in your interview narrative.
    — “A track record of successful collaboration with multidisciplinary teams.”
Pace · Fast PacedCollaboration · HighAutonomy · MediumDecision Impact · Team

Derived from job-description analysis by Serendipath's career intelligence engine.

What success looks like

  • successful deployment and operation of large-scale networks
  • automation of workflows
  • improvement of telemetry and alerting
Typical background
8+ years of experience in network engineering5+ years of experience in designing and managing large-scale networks

Skills & requirements

Required

Network EngineeringLarge-scale Network InfrastructureRouting And Switching ProtocolsNetwork ProtocolsNetworking HardwareCollaboration With Multidisciplinary Teams

Preferred

PythonGoC/c++

Stack & domain

PythonGoC/c++BGPIs-isMPLSRsvp-teTcp/udpDHCPDNSIpv4Ipv6CollaborationNetworking

About the role

Original posting from Roblox

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.

For roles that are based at our data center in Ashburn, VA: The starting base pay for this position is as shown below. The actual base pay is dependent upon a variety of job-related factors such as professional background, training, work experience, location, business needs and market demand. Therefore, in some circumstances, the actual salary could fall outside of this expected range. This pay range is subject to change and may be modified in the future.  All full-time employees are also eligible for equity compensation and for benefits as described on this page.

Annual Salary Range$265,730—$320,890 USDRoles 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.

Source: Roblox careers

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