{"id":1980100,"url":"https://alion.io/job/roblox-corporation-senior-network-engineer-data-center-networking","title":"Senior Network Engineer - Data Center Networking","company":{"id":246,"name":"Roblox Corporation","domain":"roblox.com","url":"https://alion.io/company/roblox","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":74,"open_postings":35,"ghost_share":0,"stale_share":0.857,"repost_share":0,"time_to_fill_p50_days":68,"computed_at":"2026-10-19T05:45:15Z"}},"role":"Networking","role_family":"Networking","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Mateo, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":243290,"max":295250,"currency":"USD","period":"year","gross":null,"usd_annual":295250},"salary_estimate":null,"experience_years_min":6,"visa_sponsorship":true,"relocation_package":false,"has_equity":true,"technologies":[{"name":"BGP","optional":false},{"name":"DHCP","optional":false},{"name":"DNS","optional":false},{"name":"MPLS","optional":false},{"name":"TCP/IP","optional":false}],"status":"live","first_seen_at":"2026-10-06T21:22:11Z","employer_posted_date":"2026-10-12","last_verified_at":"2026-10-19T06:22:44Z","board_verified":true,"closed_at":null,"days_open":12,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":12},"description":"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. \nAt 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. \nA 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.\nThe 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. \nYou will:\nDrive 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.\nDesign, qualify, and validate new technologies and hardware for scalable solutions.\nCoordinate data center builds and projects with multiple teams, including weekly cross-team calls.\nWork with Network Reliability Systems, Data Center Ops, Capacity Planning, Supply Chain, and Compute/ML teams to address network challenges early.\nContribute to automation and telemetry that improve efficiency, reliability, and visibility.\nYou have:\n6+ years of expertise designing and deploying large-scale data center fabrics (CLOS).\nExperience with GPU clusters or AI/ML networking.\nProficiency deploying and managing 400G and 800G hardware.\nSkilled in configuring and troubleshooting large-scale BGP deployments.\nStrong knowledge of network protocols (TCP/IP, UDP, DHCP, DNS), with hands-on experience in IPv4 and IPv6.\nPreferred: QoS, IS-IS, MPLS, RSVP-TE, DWDM, commercial NAT, open-source hardware and software.\nFor 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.\nAnnual Salary Range\n$243,290—$295,250 USD\nRoles that are based in an office are onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday (unless otherwise noted).\nRoblox 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.\nFor 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.","description_format":"text","description_chars":3817,"description_truncated":false,"requirements":{"experience_years_min":6,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Enterprise Networks","Mobile Games","Game Development","Metaverse"],"lifecycle":[{"event":"open","at":"2026-10-06T22:58:55Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 247 · green card filings: 82","filings_12m":247,"filings_prev_12m":236,"green_card_filings_12m":82,"median_offered_wage_usd":245038,"route":null,"cap_exempt":false,"checked_at":"2026-10-15T11:24:14+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)","US Department of Labor: PERM disclosure data (green cards)"],"filings_for_role_12m":5}],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.628,"p_room":1,"age_days":12,"expected_fill_days":68,"reasons":["conf:3","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-10-19T05:45:15Z"},"pay":{"stated_usd_annual":295250,"is_top_pay":true},"html_url":"https://alion.io/job/roblox-corporation-senior-network-engineer-data-center-networking","json_url":"https://alion.io/job/roblox-corporation-senior-network-engineer-data-center-networking.json","meta":{"generated_at":"2026-10-19T08:44:45Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":5982,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-20T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":246},"rest":"https://alion.io/mcp/rest/get_company?id=246"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Froblox-corporation-senior-network-engineer-data-center-networking"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Froblox-corporation-senior-network-engineer-data-center-networking"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Froblox-corporation-senior-network-engineer-data-center-networking"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/roblox-corporation-senior-network-engineer-data-center-networking\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Froblox-corporation-senior-network-engineer-data-center-networking"}]}