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 Senior Datacenter Network Engineer, you will collaborate across teams to plan the expansion of Roblox's Data Center network to support rapid user growth. In this role, you will be responsible for both the engineering and operations of Roblox's Data Center Network. You will ensure the design and implementation decisions to support scalable and future-proof solutions including High Performance Compute (HPC) fabric and AI/ML network architectures. With our unique services and hosting platform complexities, this role provides an opportunity for an experienced network engineer to tackle new challenges while leveraging their existing expertise.

You Will:

• Be a part of the Data Center Network Engineering (DNE) team.

• Drive future design, deployment, and operations for Roblox's large-scale Data Center Network.

• Participate in the design, qualification, and validation of new technologies and hardware to deliver scalable solutions.

• Participate in weekly calls to coordinate efforts across multiple teams, driving Data Center builds/projects and ensuring seamless operations.

• Work closely with other infrastructure teams to proactively identify and address network-related challenges.

• Collaborate with Network Reliability Systems (NRS) to drive toward 100% automation, set up dashboards, and define/refine alerts to enhance telemetry and alerting coverage.

• Participate in on-call rotation to support the global network infrastructure 24x7.

• Guide and mentor junior engineers.

You Have:

• Over 6 years of experience in designing, deploying, and operating large-scale networks.

• Expertise in large-scale Data Center Fabrics utilizing CLOS architecture.

• Proficient in deploying and managing 100G and 400G 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.

• Experienced working in multi-vendor environments with hands-on exposure to networking hardware.

• Familiarity with at least one programming language (Python, Go, C/C++).

• Experience in Linux with an understanding of the networking stack.

• Proven success in collaborating with multidisciplinary teams.

• B.S. or equivalent experience.

Nice to have:

• Familiarity with Quality-of-Service (QoS).

• Familiarity in IS-IS, MPLS, and RSVP-TE.

• Experience with DWDM and commercial NAT solutions.

• Experience with open-source hardware and software solutions.

For roles that are based at our headquarters in San Mateo, CA: 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 hourly rate could fall outside of this expected range. This pay range is subject to change and may be modified in the future. Please note that not all benefits shown on this page are applicable to internship opportunities.

Hourly Pay Range

$238,520—$289,460 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 for all candidates during the interview process.