{"schema_version":"onlylabs.public_signal.v1","title":"xAI Job: Mechanical Engineer (Physical Infrastructure)","description":"xAI job signal with public source context, captured evidence pages, related signals, and data-business radar classification.","url":"https://onlylabs.fyi/signals/28ddfad5-a1f1-4ed3-8a47-9480744dd88c","json_url":"https://onlylabs.fyi/signals/28ddfad5-a1f1-4ed3-8a47-9480744dd88c/signal.json","generated_at":"2026-06-11T02:32:27.108087+00:00","org":{"slug":"xai","name":"xAI","category":"frontier-lab","category_label":"Frontier lab","dossier_url":"https://onlylabs.fyi/labs/xai","dossier_json_url":"https://onlylabs.fyi/labs/xai/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/28ddfad5-a1f1-4ed3-8a47-9480744dd88c","signal_json":"https://onlylabs.fyi/signals/28ddfad5-a1f1-4ed3-8a47-9480744dd88c/signal.json","source":"https://job-boards.greenhouse.io/xai/jobs/5135731007","lab_dossier":"https://onlylabs.fyi/labs/xai","lab_dossier_json":"https://onlylabs.fyi/labs/xai/dossier.json","analysis":"https://onlylabs.fyi/analysis/xai","analysis_json":"https://onlylabs.fyi/analysis/xai/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/xai/evidence.json","category":"https://onlylabs.fyi/frontier","category_json":"https://onlylabs.fyi/frontier.json","category_feed":"https://onlylabs.fyi/frontier/feed.xml","category_signals_json":"https://onlylabs.fyi/signals.json","topic":"https://onlylabs.fyi/topics/hiring","topic_signals_json":"https://onlylabs.fyi/topics/hiring/signals.json","topic_feed":"https://onlylabs.fyi/topics/hiring/feed.xml","data_business":{"radar":"https://onlylabs.fyi/data-radar","radar_json":"https://onlylabs.fyi/data-radar.json","opportunities":"https://onlylabs.fyi/opportunities","opportunities_json":"https://onlylabs.fyi/opportunities.json","lanes":[{"key":"infrastructure","label":"Infrastructure","url":"https://onlylabs.fyi/data-radar/infrastructure","json_url":"https://onlylabs.fyi/data-radar/infrastructure/signals.json"}]}},"answer_pack":{"answer":"xAI opened Mechanical Engineer (Physical Infrastructure) (Memphis, TN). This hiring signal is demand evidence for teams, locations, and technical bets being staffed. High-signal details: location Memphis, TN · Routine job posting. onlylabs links this event to 1 captured evidence page and 6 related job signals. It also maps to Infrastructure in the data-business radar.","signal_desk":"hiring","source_context":{"source_url":"https://job-boards.greenhouse.io/xai/jobs/5135731007","source_host":"job-boards.greenhouse.io","occurred_at":"2026-06-03T18:41:03+00:00","first_seen_at":"2026-06-05T05:42:58.637283+00:00","date_source":"source","context":"Memphis, TN"},"context_markers":[{"label":"Lab","value":"xAI","source":"signal"},{"label":"Signal desk","value":"hiring","source":"signal"},{"label":"Source host","value":"job-boards.greenhouse.io","source":"source"},{"label":"Location","value":"Memphis, TN","source":"signal"},{"label":"ATS","value":"greenhouse","source":"source"},{"label":"Notability","value":"Routine job posting","source":"signal"},{"label":"Radar lane","value":"Infrastructure","source":"radar"},{"label":"Matched term","value":"infra","source":"radar"},{"label":"Matched term","value":"infrastructure","source":"radar"},{"label":"Watch term","value":"RL environments","source":"evidence"},{"label":"Watch term","value":"Infrastructure","source":"evidence"}],"evidence_coverage":{"target_pages":1,"captured_pages":1,"readable_pages":1,"capture_methods":["plain"],"missing_page_urls":[],"failed_page_urls":[],"blocked_page_urls":[],"page_urls":["https://job-boards.greenhouse.io/xai/jobs/5135731007"],"related_signals":6,"has_source_url":true,"latest_page_fetched_at":"2026-06-11T02:32:27.108087+00:00"},"data_business":{"matches":true,"lanes":[{"key":"infrastructure","label":"Infrastructure","url":"https://onlylabs.fyi/data-radar/infrastructure","json_url":"https://onlylabs.fyi/data-radar/infrastructure/signals.json"}],"matched_terms":["infra","infrastructure"],"score":17,"reason":"xAI has a job signal matching infrastructure."},"agent_handoff":{"signal_json":"https://onlylabs.fyi/signals/28ddfad5-a1f1-4ed3-8a47-9480744dd88c/signal.json","dossier_json":"https://onlylabs.fyi/labs/xai/dossier.json","analysis_json":"https://onlylabs.fyi/analysis/xai/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/xai/evidence.json","topic_signals_json":"https://onlylabs.fyi/topics/hiring/signals.json","topic_feed":"https://onlylabs.fyi/topics/hiring/feed.xml","category_signals_json":"https://onlylabs.fyi/signals.json","data_radar_json":"https://onlylabs.fyi/data-radar.json","opportunities_json":"https://onlylabs.fyi/opportunities.json"},"analysis_playbook":{"objective":"Turn open roles into leading indicators for teams, locations, infrastructure needs, eval work, data demand, and commercialization buildout.","evidence_focus":["role title","team or function","location","job description","data, eval, infra, safety, product, and GTM terms"],"extraction_questions":["Which teams are hiring repeatedly?","Which locations or hubs are becoming more important?","Which roles imply data, evaluation, infrastructure, or platform spend?","Which labs have hiring signals without a fresh standing analysis?"],"signal_questions":["What demand signal does this role create for teams, locations, infrastructure, evals, or data workflows?","Which teams are hiring repeatedly?","Which locations or hubs are becoming more important?","Which data-business lane explains this signal: Infrastructure?","Do the 6 related job signals show a repeated pattern?"],"output_fields":["org","team","location","role_theme","data_business_lane","evidence_url"],"data_business_relevance":"Hiring is the earliest demand signal for where frontier labs may need data products, eval tooling, infra vendors, and workflow support.","required_sources":[{"label":"signal_json","url":"https://onlylabs.fyi/signals/28ddfad5-a1f1-4ed3-8a47-9480744dd88c/signal.json","required":true},{"label":"source","url":"https://job-boards.greenhouse.io/xai/jobs/5135731007","required":true},{"label":"dossier_json","url":"https://onlylabs.fyi/labs/xai/dossier.json","required":true},{"label":"analysis_evidence_json","url":"https://onlylabs.fyi/analysis/xai/evidence.json","required":true},{"label":"topic_signals_json","url":"https://onlylabs.fyi/topics/hiring/signals.json","required":false},{"label":"data_radar_json","url":"https://onlylabs.fyi/data-radar.json","required":true}],"expected_output":["one-paragraph source-grounded interpretation","data-business implication","confidence and missing evidence","recommended next source to inspect"],"prompt_seed":"Using only the linked onlylabs JSON, captured source context, and cited evidence, analyze xAI's job signal \"Mechanical Engineer (Physical Infrastructure)\" for frontier lab strategy and data-business implications."},"semantic_triples":[{"subject":"xAI","predicate":"opened","object":"role Mechanical Engineer (Physical Infrastructure)","text":"xAI opened role Mechanical Engineer (Physical Infrastructure)."},{"subject":"Mechanical Engineer (Physical Infrastructure)","predicate":"is classified as","object":"job signal","text":"Mechanical Engineer (Physical Infrastructure) is classified as job signal."},{"subject":"Mechanical Engineer (Physical Infrastructure)","predicate":"belongs to","object":"hiring desk","text":"Mechanical Engineer (Physical Infrastructure) belongs to hiring desk."},{"subject":"Mechanical Engineer (Physical Infrastructure)","predicate":"has context","object":"Memphis, TN","text":"Mechanical Engineer (Physical Infrastructure) has context Memphis, TN."},{"subject":"Mechanical Engineer (Physical Infrastructure)","predicate":"has evidence coverage","object":"1 captured evidence page","text":"Mechanical Engineer (Physical Infrastructure) has evidence coverage 1 captured evidence page."},{"subject":"Mechanical Engineer (Physical Infrastructure)","predicate":"matches data-business lanes","object":"Infrastructure","text":"Mechanical Engineer (Physical Infrastructure) matches data-business lanes Infrastructure."},{"subject":"Mechanical Engineer (Physical Infrastructure)","predicate":"has captured page count","object":"1","text":"Mechanical Engineer (Physical Infrastructure) has captured page count 1."},{"subject":"Mechanical Engineer (Physical Infrastructure)","predicate":"has readable page count","object":"1","text":"Mechanical Engineer (Physical Infrastructure) has readable page count 1."},{"subject":"Mechanical Engineer (Physical Infrastructure)","predicate":"has related signal count","object":"6","text":"Mechanical Engineer (Physical Infrastructure) has related signal count 6."},{"subject":"Mechanical Engineer (Physical Infrastructure)","predicate":"has analysis playbook objective","object":"Turn open roles into leading indicators for teams, locations, infrastructure needs, eval work, data demand, and commercialization buildout.","text":"Mechanical Engineer (Physical Infrastructure) has analysis playbook objective Turn open roles into leading indicators for teams, locations, infrastructure needs, eval work, data demand, and commercialization buildout.."},{"subject":"Mechanical Engineer (Physical Infrastructure)","predicate":"has source host","object":"job-boards.greenhouse.io","text":"Mechanical Engineer (Physical Infrastructure) has source host job-boards.greenhouse.io."},{"subject":"Mechanical Engineer (Physical Infrastructure)","predicate":"has lab","object":"xAI","text":"Mechanical Engineer (Physical Infrastructure) has lab xAI."},{"subject":"Mechanical Engineer (Physical Infrastructure)","predicate":"has signal desk","object":"hiring","text":"Mechanical Engineer (Physical Infrastructure) has signal desk hiring."},{"subject":"Mechanical Engineer (Physical Infrastructure)","predicate":"has source host","object":"job-boards.greenhouse.io","text":"Mechanical Engineer (Physical Infrastructure) has source host job-boards.greenhouse.io."},{"subject":"Mechanical Engineer (Physical Infrastructure)","predicate":"has location","object":"Memphis, TN","text":"Mechanical Engineer (Physical Infrastructure) has location Memphis, TN."},{"subject":"Mechanical Engineer (Physical Infrastructure)","predicate":"has ats","object":"greenhouse","text":"Mechanical Engineer (Physical Infrastructure) has ats greenhouse."},{"subject":"Mechanical Engineer (Physical Infrastructure)","predicate":"has notability","object":"Routine job posting","text":"Mechanical Engineer (Physical Infrastructure) has notability Routine job posting."},{"subject":"Mechanical Engineer (Physical Infrastructure)","predicate":"has radar lane","object":"Infrastructure","text":"Mechanical Engineer (Physical Infrastructure) has radar lane Infrastructure."},{"subject":"Mechanical Engineer (Physical Infrastructure)","predicate":"has matched term","object":"infra","text":"Mechanical Engineer (Physical Infrastructure) has matched term infra."}]},"intelligence":{"signal_desk":"hiring","answer":"xAI opened Mechanical Engineer (Physical Infrastructure) (Memphis, TN). This hiring signal is demand evidence for teams, locations, and technical bets being staffed. High-signal details: location Memphis, TN · Routine job posting. onlylabs links this event to 1 captured evidence page and 6 related job signals. It also maps to Infrastructure in the data-business radar.","semantic_triples":[{"subject":"xAI","predicate":"opened","object":"role Mechanical Engineer (Physical Infrastructure)","text":"xAI opened role Mechanical Engineer (Physical Infrastructure)."},{"subject":"Mechanical Engineer (Physical Infrastructure)","predicate":"is classified as","object":"job signal","text":"Mechanical Engineer (Physical Infrastructure) is classified as job signal."},{"subject":"Mechanical Engineer (Physical Infrastructure)","predicate":"belongs to","object":"hiring desk","text":"Mechanical Engineer (Physical Infrastructure) belongs to hiring desk."},{"subject":"Mechanical Engineer (Physical Infrastructure)","predicate":"has context","object":"Memphis, TN","text":"Mechanical Engineer (Physical Infrastructure) has context Memphis, TN."},{"subject":"Mechanical Engineer (Physical Infrastructure)","predicate":"has evidence coverage","object":"1 captured evidence page","text":"Mechanical Engineer (Physical Infrastructure) has evidence coverage 1 captured evidence page."},{"subject":"Mechanical Engineer (Physical Infrastructure)","predicate":"matches data-business lanes","object":"Infrastructure","text":"Mechanical Engineer (Physical Infrastructure) matches data-business lanes Infrastructure."}]},"signal":{"id":"28ddfad5-a1f1-4ed3-8a47-9480744dd88c","url":"https://onlylabs.fyi/signals/28ddfad5-a1f1-4ed3-8a47-9480744dd88c","json_url":"https://onlylabs.fyi/signals/28ddfad5-a1f1-4ed3-8a47-9480744dd88c/signal.json","source_url":"https://job-boards.greenhouse.io/xai/jobs/5135731007","title":"Mechanical Engineer (Physical Infrastructure)","summary":"xAI opened a hiring signal. onlylabs watches roles as demand indicators for teams, locations, and technical bets.","context":"Memphis, TN","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"xai","name":"xAI","category":"frontier-lab"},"occurred_at":"2026-06-03T18:41:03+00:00","first_seen_at":"2026-06-05T05:42:58.637283+00:00","date_source":"source","evidence_coverage":{"target_pages":1,"captured_pages":1,"readable_pages":1,"capture_methods":["plain"],"missing_page_urls":[],"failed_page_urls":[],"blocked_page_urls":[],"page_urls":["https://job-boards.greenhouse.io/xai/jobs/5135731007"]},"facets":{"location":"Memphis, TN","ats":"greenhouse"},"traction":{"github_stars":null,"hn_points":null,"hn_comments":null,"hn_story_id":null,"hf_downloads":null,"hf_likes":null},"data_radar":{"lanes":[{"key":"infrastructure","label":"Infrastructure","url":"https://onlylabs.fyi/data-radar/infrastructure"}],"score":17,"matched_terms":["infra","infrastructure"],"reason":"xAI has a job signal matching infrastructure."}},"primary_evidence_page":{"url":"https://job-boards.greenhouse.io/xai/jobs/5135731007","final_url":"https://job-boards.greenhouse.io/xai/jobs/5135731007","title":"Mechanical Engineer (Physical Infrastructure)","http_status":200,"content_type":"text/html; charset=utf-8","capture_method":"plain","fetched_at":"2026-06-11T02:32:27.108087+00:00","bytes":65927,"raw_path":"10cddbc13b8fd0723b1e8aff4e27c44d35edbe3c35341d8527de3beab04ae0c9.html","content_hash":"2fce71a58a9e9f9455574262376c0aebb73dd1180c0dd575a2c8995d5ff15ee7","excerpt_chars":1200,"truncated":true,"excerpt":"Job Application for Mechanical Engineer (Physical Infrastructure) at xAI Back to jobs Mechanical Engineer (Physical Infrastructure) Memphis, TN Apply ABOUT xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We are seeking exceptional Mechanical Engineers to join our growing team in Memphis and help design, build, and optimize the mechanical infrastructure for xAI’s high-density AI supercomputing facilities. This is a broad Mechanical Engineer requisition covering three critical..."},"evidence_pages":[{"url":"https://job-boards.greenhouse.io/xai/jobs/5135731007","final_url":"https://job-boards.greenhouse.io/xai/jobs/5135731007","title":"Mechanical Engineer (Physical Infrastructure)","http_status":200,"content_type":"text/html; charset=utf-8","capture_method":"plain","fetched_at":"2026-06-11T02:32:27.108087+00:00","bytes":65927,"raw_path":"10cddbc13b8fd0723b1e8aff4e27c44d35edbe3c35341d8527de3beab04ae0c9.html","content_hash":"2fce71a58a9e9f9455574262376c0aebb73dd1180c0dd575a2c8995d5ff15ee7","excerpt_chars":1200,"truncated":true,"excerpt":"Job Application for Mechanical Engineer (Physical Infrastructure) at xAI Back to jobs Mechanical Engineer (Physical Infrastructure) Memphis, TN Apply ABOUT xAI xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We are seeking exceptional Mechanical Engineers to join our growing team in Memphis and help design, build, and optimize the mechanical infrastructure for xAI’s high-density AI supercomputing facilities. This is a broad Mechanical Engineer requisition covering three critical..."}],"related_signals":[{"id":"7b85ab9d-22fb-4cc3-b2dc-475161ae2073","url":"https://onlylabs.fyi/signals/7b85ab9d-22fb-4cc3-b2dc-475161ae2073","source_url":"https://job-boards.greenhouse.io/xai/jobs/5161492007","title":"Procurement Analyst (Temporary) ","context":"Jacksonville, FL","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"xai","name":"xAI","category":"frontier-lab"},"occurred_at":"2026-06-10T23:06:16+00:00","first_seen_at":"2026-06-11T07:01:17.588498+00:00","date_source":"greenhouse.updated_at"},{"id":"7b069296-5de5-4afd-8db4-a45dcb7fe0cd","url":"https://onlylabs.fyi/signals/7b069296-5de5-4afd-8db4-a45dcb7fe0cd","source_url":"https://job-boards.greenhouse.io/xai/jobs/5161485007","title":"Warehouse Manager (Temporary) ","context":"Jacksonville, FL","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"xai","name":"xAI","category":"frontier-lab"},"occurred_at":"2026-06-10T23:06:07+00:00","first_seen_at":"2026-06-11T07:01:17.588498+00:00","date_source":"greenhouse.updated_at"},{"id":"cf4240a8-30fd-429a-8bac-8c0f28f77922","url":"https://onlylabs.fyi/signals/cf4240a8-30fd-429a-8bac-8c0f28f77922","source_url":"https://job-boards.greenhouse.io/xai/jobs/5161447007","title":"Warehouse Supervisor (Temporary)","context":"Conroe, TX; Jacksonville, FL","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"xai","name":"xAI","category":"frontier-lab"},"occurred_at":"2026-06-10T23:05:57+00:00","first_seen_at":"2026-06-11T07:01:17.588498+00:00","date_source":"greenhouse.updated_at"},{"id":"cdbf7519-dc89-4738-bcba-3c127aad8d90","url":"https://onlylabs.fyi/signals/cdbf7519-dc89-4738-bcba-3c127aad8d90","source_url":"https://job-boards.greenhouse.io/xai/jobs/5161437007","title":"Logistics Specialist (Temporary) ","context":"Conroe, TX; Jacksonville, FL","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"xai","name":"xAI","category":"frontier-lab"},"occurred_at":"2026-06-10T23:05:45+00:00","first_seen_at":"2026-06-11T07:01:17.588498+00:00","date_source":"greenhouse.updated_at"},{"id":"0cf159a5-cd5f-4389-bab7-3de0e827b4c4","url":"https://onlylabs.fyi/signals/0cf159a5-cd5f-4389-bab7-3de0e827b4c4","source_url":"https://job-boards.greenhouse.io/xai/jobs/5080521007","title":"Porter","context":"Austin, TX","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"xai","name":"xAI","category":"frontier-lab"},"occurred_at":"2026-06-10T22:28:15+00:00","first_seen_at":"2026-06-05T05:42:58.637283+00:00","date_source":"greenhouse.updated_at"},{"id":"40650908-ac98-493a-8fd7-d3084a5ddcc4","url":"https://onlylabs.fyi/signals/40650908-ac98-493a-8fd7-d3084a5ddcc4","source_url":"https://job-boards.greenhouse.io/xai/jobs/5149405007","title":"Porter","context":"Memphis, TN","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"xai","name":"xAI","category":"frontier-lab"},"occurred_at":"2026-06-10T22:28:12+00:00","first_seen_at":"2026-06-05T05:42:58.637283+00:00","date_source":"greenhouse.updated_at"}]}