{"schemaVersion":"jobsearcher.job.v1","id":"ea7cd3be0d71a49d541b9535","url":"https://jobsearcher.com/jobs/ea7cd3be0d71a49d541b9535","canonicalUrl":"https://jobsearcher.com/jobs/ea7cd3be0d71a49d541b9535","title":"Mechanical Engineering PhD - Problem Author","description":"We're looking for a senior mechanical engineering expert to help build a benchmark of the hardest reasoning questions in the field — questions specifically designed to be difficult enough that today's most capable AI models still get them wrong. You'll author original, free-response engineering problems grounded in real industry scenarios, write a complete expert-level solution for each, and validate difficulty by running it against three frontier language models until at least one fails.\nRequirements: PhD in Mechanical Engineering, plus 8+ years of hands-on professional/industry experience in design, analysis, or R&D. Candidates from well-known/blue-chip employers preferred.\n\n#J-18808-Ljbffr","company":"Obsidian","rawCompany":"obsidian","city":"Millbrae","state":"CA","isRemote":false,"isActive":false,"createdAt":"2026-09-02T03:53:19.104Z","occupations":[{"code":"17-2141.00","title":"Mechanical Engineers","slug":"mechanical-engineers"},{"code":"17-2199.00","title":"Engineers, All Other","slug":"engineers-all-other"},{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"}],"industries":[{"code":"333248","title":"All Other Industrial Machinery Manufacturing","slug":"all-other-industrial-machinery-manufacturing"},{"code":"541715","title":"Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)","slug":"research-and-development-in-the-physical-engineering-and-life-sciences-except-nanotechnology-and-biotechnology"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Mechanical Engineering PhD - Problem Author","description":"We're looking for a senior mechanical engineering expert to help build a benchmark of the hardest reasoning questions in the field — questions specifically designed to be difficult enough that today's most capable AI models still get them wrong. You'll author original, free-response engineering problems grounded in real industry scenarios, write a complete expert-level solution for each, and validate difficulty by running it against three frontier language models until at least one fails.\nRequirements: PhD in Mechanical Engineering, plus 8+ years of hands-on professional/industry experience in design, analysis, or R&D. Candidates from well-known/blue-chip employers preferred.\n\n#J-18808-Ljbffr","datePosted":"2026-09-02T03:53:19.104Z","dateModified":"2026-09-02T03:53:19.104Z","hiringOrganization":{"@type":"Organization","name":"Obsidian","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Millbrae","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"ea7cd3be0d71a49d541b9535"},"url":"https://jobsearcher.com/jobs/ea7cd3be0d71a49d541b9535"}}