{"id":1980099,"url":"https://alion.io/job/roblox-corporation-principal-software-engineer-service-networking","title":"Principal Software Engineer - Service 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":"Backend","role_family":"Backend","seniority":"lead","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":295250,"max":345040,"currency":"USD","period":"year","gross":null,"usd_annual":345040},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":true,"relocation_package":false,"has_equity":true,"technologies":[{"name":"C++","optional":false},{"name":"Envoy","optional":false},{"name":"Istio","optional":false},{"name":"Kubernetes","optional":false},{"name":"Nomad","optional":false},{"name":"Rust","optional":false},{"name":"Service Mesh","optional":false}],"status":"live","first_seen_at":"2026-10-06T22:47:52Z","employer_posted_date":"2026-10-12","last_verified_at":"2026-10-19T18:22:20Z","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.\nRoblox’s Service Networking team connects and secures the services behind our platform across our data centers and cloud infrastructure.\nAs a Principal Software Engineer on Service Networking, you will set technical direction and lead hands-on development of the systems that make service-to-service communication reliable, secure, and efficient. You will guide the evolution of our Envoy- and Istio-based platform as services move across Kubernetes, Nomad, and cloud environments. You will partner with Compute, Security, and application teams, and help senior engineers lead complex technical work.\nYou will:\nSet the technical strategy and roadmap for service mesh, balancing reliability, security, performance, and operating cost.\nDesign and build control-plane and data-plane capabilities for service discovery, routing, load balancing, and traffic policy using Envoy, Istio, and related technologies.\nLead integration and migration across Kubernetes, Nomad, and cloud environments, with clear compatibility requirements and safe rollout plans.\nPartner with Security and application teams to deliver workload identity, mutual TLS, and traffic policy enforcement in production.\nImprove resource efficiency and operational reliability through performance analysis, testing, observability, incident response, and deployment automation.\nLead technical decisions across teams, write and review production code, and mentor senior engineers to expand their judgment and ownership.\nYou have:\n8+ years of software engineering experience building and operating large-scale distributed systems, including leading substantial initiatives across teams.\nExpertise in service mesh, proxies, application gateways, or a closely related infrastructure domain, demonstrated through systems you have designed, shipped, and operated.\nA strong understanding of networking fundamentals, service discovery, traffic management, failure isolation, and secure service communication.\nStrong programming skills in Go, C++, Rust, or another systems language, with experience debugging across application, proxy, control-plane, and operating-system boundaries.\nExperience operating Kubernetes or comparable orchestration platforms in production and leading infrastructure migrations or performance improvements. Envoy/Istio internals, xDS, workload identity, and substantive open-source contributions are especially relevant.\nA record of turning ambiguous problems into technical direction and coordinated execution, communicating tradeoffs clearly, and helping other engineers lead independently.\nYou’ll Love: \nIndustry-leading compensation package\nExcellent medical, dental, and vision coverage\nA rewarding 401k program\nFlexible vacation policy\nRoflex - Flexible and supportive work policy \nRoblox Admin badge for your avatar\nAt Roblox HQ: \nFree catered lunches five times a week and several fully stocked kitchens with unlimited snacks\nOnsite fitness center and fitness program credit\nAnnual CalTrain Go Pass\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$295,250—$345,040 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":5298,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["401k plan","Equity","Flexible vacation policy"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["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":161}],"liveness":{"score":62,"band":"ok","label":"Likely open","p_open":1,"p_active":0.617,"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":345040,"is_top_pay":true},"html_url":"https://alion.io/job/roblox-corporation-principal-software-engineer-service-networking","json_url":"https://alion.io/job/roblox-corporation-principal-software-engineer-service-networking.json","meta":{"generated_at":"2026-10-19T21:58:08Z","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":985,"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-principal-software-engineer-service-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-principal-software-engineer-service-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-principal-software-engineer-service-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-principal-software-engineer-service-networking\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Froblox-corporation-principal-software-engineer-service-networking"}]}