{"id":3588398,"url":"https://alion.io/job/opentrain-ai-principal-engineer-professor-technical-expert","title":"Principal Engineer / Professor Technical Expert","company":{"id":4457061,"name":"OpenTrain AI","domain":"opentrain.ai","url":"https://alion.io/company/opentrain-ai","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":true,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Education","role_family":"Education","seniority":"lead","employment_type":"part_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"posting_text","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":[],"countries":[],"hiring_countries":["US"],"hiring_countries_total":1,"salary":{"min":85,"max":185,"currency":"USD","period":"hour","gross":null,"usd_annual":370000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-11-01T15:06:08Z","employer_posted_date":null,"last_verified_at":"2026-11-01T15:06:08Z","board_verified":false,"closed_at":null,"days_open":10,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":10},"description":"$85-$185 per hour\n100% remote\nPart-time\nFully flexible schedule\nCreate and evaluate difficult engineering and physical science problems that test AI systems against real technical constraints, on your own schedule.\nAI companies need principal-level engineers, scientists, and faculty to design problems that show whether an AI system can reason through real technical work. You will build realistic scenarios with supporting data, provide a correct solution, and set standards that let another expert check the result. This is that work, done remotely around your schedule.\nWhat you'll do\nCreate demanding questions in your engineering or physical science specialty, with real constraints and supporting data\nProvide a correct solution and explain the reasoning so another expert can verify it\nSet clear standards that let reviewers make consistent correctness decisions\nReview submitted problems for technical accuracy and flag work that cannot be graded reliably\nWhy this is worth your time\nGet paid $85-$185 an hour\nApply principal-level judgment across aerospace, semiconductors, manufacturing, industrial engineering, materials science, or another relevant area\nWork directly on AI training tasks by writing solutions, defining correctness, and evaluating technical work\nFully remote and flexible, no fixed shifts, no commute\nWho this is for\nA PhD or master's degree in engineering, physics, materials, or another closely related field\nHands-on principal, staff, or fellow-level work at a major engineering organization or government research lab, or a faculty appointment at a leading university\nDeep expertise in one or more relevant engineering or physical science specialties\nTechnical judgment and clear communication, with the ability to validate proposed solutions\nProfessional fluency in English\nHelpful evidence includes publications, patents, or technical leadership that demonstrates practical ownership of complex technical or scientific work\nNo AI experience needed.\nPay and details\n$85-$185 hourly under an independent-contractor arrangement\nPart-time, fully flexible schedule; fully remote, United States\nHow to apply\n1. Apply on OpenTrain with your resume: https://app.opentrain.ai/api/out/cmvvsxgbn000107jv6hfuiy1s?ch=interlinkjobs&sub=interlinkjobs-cmvvsxgbn-us-2026-11\n2. Complete the application on the hiring platform.\n3. If shortlisted, take a short AI interview.\nReady to design difficult technical problems, write verifiable solutions, and review the work used to evaluate AI? Apply today.\nAbout OpenTrain AI\nOpenTrain AI connects experienced professionals with paid, part-time AI training work: shaping and improving the AI systems that companies are building right now.","description_format":"text","description_chars":2700,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"master","optional":false},"security_clearance":false,"languages":[{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":["Flexible schedule"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","LLM & Generative AI","Reinforcement Learning"],"lifecycle":[{"event":"open","at":"2026-11-01T15:06:08Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":9,"expected_fill_days":36,"reasons":["seen:9","velocity","win:early"],"computed_at":"2026-11-11T05:49:22Z"},"pay":{"stated_usd_annual":370000,"is_top_pay":true},"html_url":"https://alion.io/job/opentrain-ai-principal-engineer-professor-technical-expert","json_url":"https://alion.io/job/opentrain-ai-principal-engineer-professor-technical-expert.json","meta":{"generated_at":"2026-11-11T19:41:19Z","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":38229,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-12T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"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":4457061},"rest":"https://alion.io/mcp/rest/get_company?id=4457061"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fopentrain-ai-principal-engineer-professor-technical-expert"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"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%2Fopentrain-ai-principal-engineer-professor-technical-expert"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"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%2Fopentrain-ai-principal-engineer-professor-technical-expert"},{"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/opentrain-ai-principal-engineer-professor-technical-expert\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fopentrain-ai-principal-engineer-professor-technical-expert"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3588398}},{"tool":"search_jobs","arguments":{"company":"opentrain.ai","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3588398},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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