{"id":78994,"url":"https://alion.io/job/openai-performance-modeling-engineer-2","title":"Performance Modeling Engineer ~2","company":{"id":2,"name":"OpenAI","domain":"openai.com","url":"https://alion.io/company/openai","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"B","score":78,"open_postings":196,"ghost_share":0,"stale_share":0.862,"repost_share":0.005,"time_to_fill_p50_days":52,"computed_at":"2026-10-27T05:46:45Z"}},"role":"AI/ML","role_family":"AI/ML","seniority":"junior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Francisco, United States","Seattle, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":347000,"max":445000,"currency":"USD","period":"year","gross":null,"usd_annual":445000},"salary_estimate":null,"experience_years_min":1,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"OpenAI","optional":false}],"status":"live","first_seen_at":"2026-04-20T19:33:18Z","employer_posted_date":"2026-04-20","last_verified_at":"2026-10-27T01:59:11Z","board_verified":true,"closed_at":null,"days_open":189,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":189},"description":"About the Team\nOpenAI’s Hardware organization develops system and infrastructure solutions designed for the unique demands of advanced AI workloads. We work closely with architecture, infrastructure, and vendor teams to evaluate system performance and guide critical design decisions.\nOur team focuses on building and applying performance modeling frameworks to understand system behavior, quantify tradeoffs, and support next-generation infrastructure design.\nAbout the Role\nWe are seeking an Performance Modeling Engineer to support the development and application of modeling tools used to evaluate AI system performance and inform architectural decisions.\nIn this role, you will partner closely with Senior Performance Modeling Engineers and the Performance Modeling Lead to analyze system behavior, run simulations and analytical models, and help evaluate tradeoffs across compute, memory, networking, and storage. You will contribute to building modeling frameworks while developing a strong foundation in system architecture and AI infrastructure.\nThis role is ideal for early-career engineers with 1-2 years of experience in software engineering, systems analysis, or performance modeling who are excited to grow in large-scale infrastructure and hardware/software systems.\nThis role is based in San Francisco, CA. We use a hybrid work model of 3 days in the office per week and offer relocation assistance.\nKey Responsibilities\nSupport the development and maintenance of performance modeling tools and frameworks\n\nAssist in building models to evaluate system behavior across compute, memory, networking, and interconnect subsystems\n\nHelp analyze distributed system scaling behavior and identify performance bottlenecks\n\nRun simulations and analytical models to support architecture and infrastructure decisions\n\nPartner with senior engineers to evaluate design tradeoffs across hardware and system components\n\nInterpret modeling outputs and help translate findings into clear recommendations\n\nValidate models using benchmarking data and real system performance measurements\n\nImprove modeling workflows, documentation, and usability for broader team adoption\n\nCollaborate cross-functionally with hardware, infrastructure, and architecture teams\n\nContinuously build technical depth across AI infrastructure, system architecture, and performance analysis\n\nQualifications\n1-2 years of experience in software engineering, systems modeling, performance analysis, or related technical work\n\nStrong programming skills and experience building technical tools, scripts, or frameworks\n\nFamiliarity with system architecture fundamentals such as compute, memory, and networking\n\nAbility to reason about system performance, bottlenecks, and scaling behavior\n\nStrong analytical and problem-solving skills with comfort working in quantitative environments\n\nAbility to learn quickly and work effectively across technical teams\n\nPreferred Skills\nExposure to AI/ML workloads, distributed systems, or large-scale infrastructure\n\nExperience with simulation tools, benchmarking, profiling, or performance analysis\n\nFamiliarity with data center systems, server architecture, or hardware platforms\n\nInterest in system architecture and hardware/software co-design\n\nInternship or early professional experience in performance engineering, infrastructure, or systems design\n\nAbout OpenAI\nOpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. We push the boundaries of the capabilities of AI systems and seek to safely deploy them to the world through our products. AI is an extremely powerful tool that must be created with safety and human needs at its core, and to achieve our mission, we must encompass and value the many different perspectives, voices, and experiences that form the full spectrum of humanity.\nWe are an equal opportunity employer, and we do not discriminate on the basis of race, religion, color, national origin, sex, sexual orientation, age, veteran status, disability, genetic information, or other applicable legally protected characteristic.\nFor additional information, please see OpenAI’s Affirmative Action and Equal Employment Opportunity Policy Statement.\nBackground checks for applicants will be administered in accordance with applicable law, and qualified applicants with arrest or conviction records will be considered for employment consistent with those laws, including the San Francisco Fair Chance Ordinance, the Los Angeles County Fair Chance Ordinance for Employers, and the California Fair Chance Act, for US-based candidates. For unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. In addition, job duties require access to secure and protected information technology systems and related data security obligations.\nTo notify OpenAI that you believe this job posting is non-compliant, please submit a report through this form. No response will be provided to inquiries unrelated to job posting compliance.\nWe are committed to providing reasonable accommodations to applicants with disabilities, and requests can be made via this link.\nOpenAI Global Applicant Privacy Policy\nAt OpenAI, we believe artificial intelligence has the potential to help people solve immense global challenges, and we want the upside of AI to be widely shared. Join us in shaping the future of technology.","description_format":"text","description_chars":5888,"description_truncated":false,"requirements":{"experience_years_min":1,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Hybrid work","Relocation assistance"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":true,"industries":["Artificial Intelligence","Conversational AI","Generative Video","Code Intelligence"],"lifecycle":[{"event":"open","at":"2026-09-05T08:49:16Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 262 · green card filings: 3","filings_12m":262,"filings_prev_12m":114,"green_card_filings_12m":3,"median_offered_wage_usd":272217,"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":126}],"liveness":{"score":5,"band":"cold","label":"Long shot","p_open":1,"p_active":0.166,"p_room":0.28,"age_days":189,"expected_fill_days":52,"reasons":["conf:3","stale_co","velocity","win:tail","crowd:junior,brand"],"computed_at":"2026-10-27T05:46:45Z"},"pay":{"stated_usd_annual":445000,"is_top_pay":true},"html_url":"https://alion.io/job/openai-performance-modeling-engineer-2","json_url":"https://alion.io/job/openai-performance-modeling-engineer-2.json","meta":{"generated_at":"2026-10-27T05:55:26Z","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":5817,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-28T00:00:00Z"}},"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":2},"rest":"https://alion.io/mcp/rest/get_company?id=2"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fopenai-performance-modeling-engineer-2"},{"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%2Fopenai-performance-modeling-engineer-2"},{"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%2Fopenai-performance-modeling-engineer-2"},{"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/openai-performance-modeling-engineer-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fopenai-performance-modeling-engineer-2"}]}