{"schema_version":"onlylabs.public_signal.v1","title":"xAI Job: Mechanical Engineer - Datacenter (Macrohard/Colossus)","description":"xAI job signal with public source context, captured evidence pages, related signals, and data-business radar classification.","url":"https://onlylabs.fyi/signals/f2089270-f451-49cf-9fb3-51cc91ebea2b","json_url":"https://onlylabs.fyi/signals/f2089270-f451-49cf-9fb3-51cc91ebea2b/signal.json","generated_at":"2026-08-28T16:03:21.171Z","evidence_latest_fetched_at":"2026-08-11T07:12:36.344273+00:00","signal_first_seen_at":"2026-08-11T07:10:38.838373+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/f2089270-f451-49cf-9fb3-51cc91ebea2b","signal_json":"https://onlylabs.fyi/signals/f2089270-f451-49cf-9fb3-51cc91ebea2b/signal.json","source":"https://job-boards.greenhouse.io/xai/jobs/5206940007","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":"data","label":"Data demand","url":"https://onlylabs.fyi/data-radar/data","json_url":"https://onlylabs.fyi/data-radar/data/signals.json"}]}},"answer_pack":{"answer":"xAI opened Mechanical Engineer - Datacenter (Macrohard/Colossus) (Memphis, Tennessee; Southaven, Mississippi). This hiring signal is demand evidence for teams, locations, and technical bets being staffed. High-signal details: location Memphis, Tennessee; Southaven, Mississippi · Routine job posting for datacenter role. onlylabs links this event to 1 captured evidence page and 6 related job signals. It also maps to Data demand in the data-business radar.","signal_desk":"hiring","source_context":{"source_url":"https://job-boards.greenhouse.io/xai/jobs/5206940007","source_host":"job-boards.greenhouse.io","occurred_at":"2026-08-28T01:15:48+00:00","first_seen_at":"2026-08-11T07:10:38.838373+00:00","date_source":"greenhouse.updated_at","context":"Memphis, Tennessee; Southaven, Mississippi"},"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, Tennessee; Southaven, Mississippi","source":"signal"},{"label":"ATS","value":"greenhouse","source":"source"},{"label":"Notability","value":"Routine job posting for datacenter role","source":"signal"},{"label":"Radar lane","value":"Data demand","source":"radar"},{"label":"Matched term","value":"data","source":"radar"}],"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/5206940007"],"related_signals":6,"has_source_url":true,"latest_page_fetched_at":"2026-08-11T07:12:36.344273+00:00"},"data_business":{"matches":true,"lanes":[{"key":"data","label":"Data demand","url":"https://onlylabs.fyi/data-radar/data","json_url":"https://onlylabs.fyi/data-radar/data/signals.json"}],"matched_terms":["data"],"score":15,"reason":"xAI has a job signal matching data demand."},"agent_handoff":{"signal_json":"https://onlylabs.fyi/signals/f2089270-f451-49cf-9fb3-51cc91ebea2b/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: Data demand?","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/f2089270-f451-49cf-9fb3-51cc91ebea2b/signal.json","required":true},{"label":"source","url":"https://job-boards.greenhouse.io/xai/jobs/5206940007","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 - Datacenter (Macrohard/Colossus)\" for frontier lab strategy and data-business implications."},"semantic_triples":[{"subject":"xAI","predicate":"opened","object":"role Mechanical Engineer - Datacenter (Macrohard/Colossus)","text":"xAI opened role Mechanical Engineer - Datacenter (Macrohard/Colossus)."},{"subject":"Mechanical Engineer - Datacenter (Macrohard/Colossus)","predicate":"is classified as","object":"job signal","text":"Mechanical Engineer - Datacenter (Macrohard/Colossus) is classified as job signal."},{"subject":"Mechanical Engineer - Datacenter (Macrohard/Colossus)","predicate":"belongs to","object":"hiring desk","text":"Mechanical Engineer - Datacenter (Macrohard/Colossus) belongs to hiring desk."},{"subject":"Mechanical Engineer - Datacenter (Macrohard/Colossus)","predicate":"has context","object":"Memphis, Tennessee; Southaven, Mississippi","text":"Mechanical Engineer - Datacenter (Macrohard/Colossus) has context Memphis, Tennessee; Southaven, Mississippi."},{"subject":"Mechanical Engineer - Datacenter (Macrohard/Colossus)","predicate":"has evidence coverage","object":"1 captured evidence page","text":"Mechanical Engineer - Datacenter (Macrohard/Colossus) has evidence coverage 1 captured evidence page."},{"subject":"Mechanical Engineer - Datacenter (Macrohard/Colossus)","predicate":"matches data-business lanes","object":"Data demand","text":"Mechanical Engineer - Datacenter (Macrohard/Colossus) matches data-business lanes Data demand."},{"subject":"Mechanical Engineer - Datacenter (Macrohard/Colossus)","predicate":"has captured page count","object":"1","text":"Mechanical Engineer - Datacenter (Macrohard/Colossus) has captured page count 1."},{"subject":"Mechanical Engineer - Datacenter (Macrohard/Colossus)","predicate":"has readable page count","object":"1","text":"Mechanical Engineer - Datacenter (Macrohard/Colossus) has readable page count 1."},{"subject":"Mechanical Engineer - Datacenter (Macrohard/Colossus)","predicate":"has related signal count","object":"6","text":"Mechanical Engineer - Datacenter (Macrohard/Colossus) has related signal count 6."},{"subject":"Mechanical Engineer - Datacenter (Macrohard/Colossus)","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 - Datacenter (Macrohard/Colossus) 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 - Datacenter (Macrohard/Colossus)","predicate":"has source host","object":"job-boards.greenhouse.io","text":"Mechanical Engineer - Datacenter (Macrohard/Colossus) has source host job-boards.greenhouse.io."},{"subject":"Mechanical Engineer - Datacenter (Macrohard/Colossus)","predicate":"has lab","object":"xAI","text":"Mechanical Engineer - Datacenter (Macrohard/Colossus) has lab xAI."},{"subject":"Mechanical Engineer - Datacenter (Macrohard/Colossus)","predicate":"has signal desk","object":"hiring","text":"Mechanical Engineer - Datacenter (Macrohard/Colossus) has signal desk hiring."},{"subject":"Mechanical Engineer - Datacenter (Macrohard/Colossus)","predicate":"has source host","object":"job-boards.greenhouse.io","text":"Mechanical Engineer - Datacenter (Macrohard/Colossus) has source host job-boards.greenhouse.io."},{"subject":"Mechanical Engineer - Datacenter (Macrohard/Colossus)","predicate":"has location","object":"Memphis, Tennessee; Southaven, Mississippi","text":"Mechanical Engineer - Datacenter (Macrohard/Colossus) has location Memphis, Tennessee; Southaven, Mississippi."},{"subject":"Mechanical Engineer - Datacenter (Macrohard/Colossus)","predicate":"has ats","object":"greenhouse","text":"Mechanical Engineer - Datacenter (Macrohard/Colossus) has ats greenhouse."},{"subject":"Mechanical Engineer - Datacenter (Macrohard/Colossus)","predicate":"has notability","object":"Routine job posting for datacenter role","text":"Mechanical Engineer - Datacenter (Macrohard/Colossus) has notability Routine job posting for datacenter role."},{"subject":"Mechanical Engineer - Datacenter (Macrohard/Colossus)","predicate":"has radar lane","object":"Data demand","text":"Mechanical Engineer - Datacenter (Macrohard/Colossus) has radar lane Data demand."},{"subject":"Mechanical Engineer - Datacenter (Macrohard/Colossus)","predicate":"has matched term","object":"data","text":"Mechanical Engineer - Datacenter (Macrohard/Colossus) has matched term data."}]},"intelligence":{"signal_desk":"hiring","answer":"xAI opened Mechanical Engineer - Datacenter (Macrohard/Colossus) (Memphis, Tennessee; Southaven, Mississippi). This hiring signal is demand evidence for teams, locations, and technical bets being staffed. High-signal details: location Memphis, Tennessee; Southaven, Mississippi · Routine job posting for datacenter role. onlylabs links this event to 1 captured evidence page and 6 related job signals. 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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: As a member of the data center engineering team design, build, and activate some of the world’s most technically advanced data center facilities. You will be the subject matter expert on thermal management, pumping, flow control, HVAC,..."},"evidence_pages":[],"related_signals":[{"id":"fa14ac29-7cd6-4476-97ff-3ebe3820dd01","url":"https://onlylabs.fyi/signals/fa14ac29-7cd6-4476-97ff-3ebe3820dd01","source_url":"https://job-boards.greenhouse.io/xai/jobs/5224709007","title":"Supervisor, IT Support","context":"Memphis, Tennessee","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"xai","name":"xAI","category":"frontier-lab"},"occurred_at":"2026-08-28T00:04:44+00:00","first_seen_at":"2026-08-28T07:10:38.299606+00:00","date_source":"greenhouse.updated_at"},{"id":"5a7334dc-3499-4968-bc44-b21dd509cc52","url":"https://onlylabs.fyi/signals/5a7334dc-3499-4968-bc44-b21dd509cc52","source_url":"https://job-boards.greenhouse.io/xai/jobs/4956028007","title":"Exceptional Software Engineer","context":"Palo Alto, California","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"xai","name":"xAI","category":"frontier-lab"},"occurred_at":"2026-08-27T22:09:48+00:00","first_seen_at":"2026-06-05T05:42:58.637283+00:00","date_source":"greenhouse.updated_at"},{"id":"28ddfad5-a1f1-4ed3-8a47-9480744dd88c","url":"https://onlylabs.fyi/signals/28ddfad5-a1f1-4ed3-8a47-9480744dd88c","source_url":"https://job-boards.greenhouse.io/xai/jobs/5135731007","title":"Mechanical Engineer","context":"Memphis, Tennessee","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"xai","name":"xAI","category":"frontier-lab"},"occurred_at":"2026-08-27T22:09:48+00:00","first_seen_at":"2026-06-05T05:42:58.637283+00:00","date_source":"greenhouse.updated_at"},{"id":"388aa367-3684-44e0-a67e-5fed6167568b","url":"https://onlylabs.fyi/signals/388aa367-3684-44e0-a67e-5fed6167568b","source_url":"https://job-boards.greenhouse.io/xai/jobs/5135090007","title":"Recruiting Coordinator","context":"Memphis, Tennessee","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"xai","name":"xAI","category":"frontier-lab"},"occurred_at":"2026-08-27T22:09:48+00:00","first_seen_at":"2026-06-05T05:42:58.637283+00:00","date_source":"greenhouse.updated_at"},{"id":"c0708af5-29ee-4663-9a75-932fe919be81","url":"https://onlylabs.fyi/signals/c0708af5-29ee-4663-9a75-932fe919be81","source_url":"https://job-boards.greenhouse.io/xai/jobs/5007310007","title":"Member of Technical Staff - X Money","context":"Tokyo, Japan","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"xai","name":"xAI","category":"frontier-lab"},"occurred_at":"2026-08-27T22:09:48+00:00","first_seen_at":"2026-06-05T05:42:58.637283+00:00","date_source":"greenhouse.updated_at"},{"id":"caf45931-e686-4dad-8c07-aa00c80f1880","url":"https://onlylabs.fyi/signals/caf45931-e686-4dad-8c07-aa00c80f1880","source_url":"https://job-boards.greenhouse.io/xai/jobs/5077471007","title":"Recruiting Coordinator","context":"Tokyo, Japan","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"xai","name":"xAI","category":"frontier-lab"},"occurred_at":"2026-08-27T22:09:48+00:00","first_seen_at":"2026-06-05T05:42:58.637283+00:00","date_source":"greenhouse.updated_at"}]}