Lifelancer · 1 day ago
Évaluateur clinique indépendant freelance bilingue en français/Freelance
United States (Remote) · Contract
Country limits listed
Senior Network Engineer - Data Center Networking
San Mateo, United States; Ashburn, United States
Pay varies by source location
Confirm requirements with employer
Original listings by location
Pay, work arrangement and visa support can differ between locations.
San Mateo, CA, United States · From $243k/year
Full-time · Senior · Onsite location listed · Visa sponsorship listed
Visa routes listed for this location: H1B
Original listing for this location ↗Ashburn, Virginia, United States · From $152k/year
Full-time · Senior · Onsite location listed · Visa sponsorship listed
Visa routes listed for this location: H1B
Original listing for this location ↗Full-timeSenior
Visa sponsorship. The posting mentions visa sponsorship. This does not guarantee eligibility for every passport.
🇺🇸 Working in United States
Mentioned in this posting: H1B
Possible country route: H-1B / other employer-petition routes. H-1B normally starts with an employer petition for a qualifying specialty occupation. Cap-subject cases also have registration and selection requirements; other routes differ.
Registration, petition and consular stages differ. Selection is not guaranteed and premium petition processing is not an end-to-end visa timeline.
What to check before applying
- Confirm the intended route. Ask whether the employer will petition and whether the position is cap-exempt.
- Check petition requirements. Use USCIS instructions for the applicable category and cap process.
- Coordinate consular and entry steps. An approved petition and a work-authorised start date are different milestones.
Reviewed 2026-10-14. Country routes are context, not a confirmation that this vacancy or your passport qualifies.
Description (EN)
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.
The Data Center Network Engineering (DNE) is a pod within the Physical Networking team and owns the design, deployment, and operation of Roblox's large-scale data center network. This includes server-layer connectivity, intra and inter-DC connectivity. The team is building High-Performance Networking (HPN) fabrics, deploying 400G/800G networking, and scaling GPU clusters to support AI training and inference.
You will:
- Drive the design, deployment, and operations of Roblox's large-scale data center network, including the networking for GPU clusters that support training and inference workloads.
- Design, qualify, and validate new technologies and hardware for scalable solutions.
- Coordinate data center builds and projects with multiple teams, including weekly cross-team calls.
- Work with Network Reliability Systems, Data Center Ops, Capacity Planning, Supply Chain, and Compute/ML teams to address network challenges early.
- Contribute to automation and telemetry that improve efficiency, reliability, and visibility.
You have:
- 6+ years of expertise 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 network protocols (TCP/IP, UDP, DHCP, DNS), with hands-on experience in IPv4 and IPv6.
- Preferred: QoS, IS-IS, MPLS, RSVP-TE, DWDM, commercial NAT, open-source hardware and software.
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 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
$243,290—$295,250 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.
Never pay a recruiter for a job offer or a visa promise. Check the original posting and employer identity before sharing documents. Pay any legitimate government visa fees only through official channels.
Published 8 days ago