{"schema_version":"onlylabs.public_signal.v1","title":"xAI Job: Water Treatment Engineer","description":"xAI job signal with public source context, captured evidence pages, related signals, and data-business radar classification.","url":"https://onlylabs.fyi/signals/3af65df7-d698-453a-ae78-60853a25e50d","json_url":"https://onlylabs.fyi/signals/3af65df7-d698-453a-ae78-60853a25e50d/signal.json","generated_at":"2026-06-11T02:32:28.32039+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/3af65df7-d698-453a-ae78-60853a25e50d","signal_json":"https://onlylabs.fyi/signals/3af65df7-d698-453a-ae78-60853a25e50d/signal.json","source":"https://job-boards.greenhouse.io/xai/jobs/5136112007","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":null},"answer_pack":{"answer":"xAI opened Water Treatment Engineer (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.","signal_desk":"hiring","source_context":{"source_url":"https://job-boards.greenhouse.io/xai/jobs/5136112007","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":"Watch term","value":"Infrastructure","source":"evidence"},{"label":"Watch term","value":"Safety and alignment","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/5136112007"],"related_signals":6,"has_source_url":true,"latest_page_fetched_at":"2026-06-11T02:32:28.32039+00:00"},"data_business":{"matches":false,"lanes":[],"matched_terms":[],"score":null,"reason":null},"agent_handoff":{"signal_json":"https://onlylabs.fyi/signals/3af65df7-d698-453a-ae78-60853a25e50d/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":null,"opportunities_json":null},"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?","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/3af65df7-d698-453a-ae78-60853a25e50d/signal.json","required":true},{"label":"source","url":"https://job-boards.greenhouse.io/xai/jobs/5136112007","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":null,"required":false}],"expected_output":["one-paragraph source-grounded interpretation","category-specific 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 \"Water Treatment Engineer\" for frontier lab strategy."},"semantic_triples":[{"subject":"xAI","predicate":"opened","object":"role Water Treatment Engineer","text":"xAI opened role Water Treatment Engineer."},{"subject":"Water Treatment Engineer","predicate":"is classified as","object":"job signal","text":"Water Treatment Engineer is classified as job signal."},{"subject":"Water Treatment Engineer","predicate":"belongs to","object":"hiring desk","text":"Water Treatment Engineer belongs to hiring desk."},{"subject":"Water Treatment Engineer","predicate":"has context","object":"Memphis, TN","text":"Water Treatment Engineer has context Memphis, TN."},{"subject":"Water Treatment Engineer","predicate":"has evidence coverage","object":"1 captured evidence page","text":"Water Treatment Engineer has evidence coverage 1 captured evidence page."},{"subject":"Water Treatment Engineer","predicate":"has captured page count","object":"1","text":"Water Treatment Engineer has captured page count 1."},{"subject":"Water Treatment Engineer","predicate":"has readable page count","object":"1","text":"Water Treatment Engineer has readable page count 1."},{"subject":"Water Treatment Engineer","predicate":"has related signal count","object":"6","text":"Water Treatment Engineer has related signal count 6."},{"subject":"Water Treatment Engineer","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":"Water Treatment Engineer has analysis playbook objective Turn open roles into leading indicators for teams, locations, infrastructure needs, eval work, data demand, and commercialization buildout.."},{"subject":"Water Treatment Engineer","predicate":"has source host","object":"job-boards.greenhouse.io","text":"Water Treatment Engineer has source host job-boards.greenhouse.io."},{"subject":"Water Treatment Engineer","predicate":"has lab","object":"xAI","text":"Water Treatment Engineer has lab xAI."},{"subject":"Water Treatment Engineer","predicate":"has signal desk","object":"hiring","text":"Water Treatment Engineer has signal desk hiring."},{"subject":"Water Treatment Engineer","predicate":"has source host","object":"job-boards.greenhouse.io","text":"Water Treatment Engineer has source host job-boards.greenhouse.io."},{"subject":"Water Treatment Engineer","predicate":"has location","object":"Memphis, TN","text":"Water Treatment Engineer has location Memphis, TN."},{"subject":"Water Treatment Engineer","predicate":"has ats","object":"greenhouse","text":"Water Treatment Engineer has ats greenhouse."},{"subject":"Water Treatment Engineer","predicate":"has notability","object":"Routine job posting","text":"Water Treatment Engineer has notability Routine job posting."},{"subject":"Water Treatment Engineer","predicate":"has watch term","object":"Infrastructure","text":"Water Treatment Engineer has watch term Infrastructure."},{"subject":"Water Treatment Engineer","predicate":"has watch term","object":"Safety and alignment","text":"Water Treatment Engineer has watch term Safety and alignment."}]},"intelligence":{"signal_desk":"hiring","answer":"xAI opened Water Treatment Engineer (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.","semantic_triples":[{"subject":"xAI","predicate":"opened","object":"role Water Treatment Engineer","text":"xAI opened role Water Treatment Engineer."},{"subject":"Water Treatment Engineer","predicate":"is classified as","object":"job signal","text":"Water Treatment Engineer is classified as job signal."},{"subject":"Water Treatment Engineer","predicate":"belongs to","object":"hiring desk","text":"Water Treatment Engineer belongs to hiring desk."},{"subject":"Water Treatment Engineer","predicate":"has context","object":"Memphis, TN","text":"Water Treatment Engineer has context Memphis, TN."},{"subject":"Water Treatment Engineer","predicate":"has evidence coverage","object":"1 captured evidence page","text":"Water Treatment Engineer has evidence coverage 1 captured evidence page."}]},"signal":{"id":"3af65df7-d698-453a-ae78-60853a25e50d","url":"https://onlylabs.fyi/signals/3af65df7-d698-453a-ae78-60853a25e50d","json_url":"https://onlylabs.fyi/signals/3af65df7-d698-453a-ae78-60853a25e50d/signal.json","source_url":"https://job-boards.greenhouse.io/xai/jobs/5136112007","title":"Water Treatment Engineer","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/5136112007"]},"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":null},"primary_evidence_page":{"url":"https://job-boards.greenhouse.io/xai/jobs/5136112007","final_url":"https://job-boards.greenhouse.io/xai/jobs/5136112007","title":"Water Treatment Engineer","http_status":200,"content_type":"text/html; charset=utf-8","capture_method":"plain","fetched_at":"2026-06-11T02:32:28.32039+00:00","bytes":64000,"raw_path":"50df76f59d1358c3808f02f113af75d9f917a5a937b5782c2025f8ac729f5ae3.html","content_hash":"f419da129b466ee561c514011062e1aa008135704d90b898eff89181946e3412","excerpt_chars":1200,"truncated":true,"excerpt":"Job Application for Water Treatment Engineer at xAI Back to jobs Water Treatment Engineer 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 an exceptional Water Treatment Engineer to design, implement, and optimize water treatment systems for xAI’s high-density AI supercomputing facilities. This role focuses on treatment programs for cooling tower water, chilled water loops, closed-loop systems, and process water used in liquid cooling..."},"evidence_pages":[{"url":"https://job-boards.greenhouse.io/xai/jobs/5136112007","final_url":"https://job-boards.greenhouse.io/xai/jobs/5136112007","title":"Water Treatment Engineer","http_status":200,"content_type":"text/html; charset=utf-8","capture_method":"plain","fetched_at":"2026-06-11T02:32:28.32039+00:00","bytes":64000,"raw_path":"50df76f59d1358c3808f02f113af75d9f917a5a937b5782c2025f8ac729f5ae3.html","content_hash":"f419da129b466ee561c514011062e1aa008135704d90b898eff89181946e3412","excerpt_chars":1200,"truncated":true,"excerpt":"Job Application for Water Treatment Engineer at xAI Back to jobs Water Treatment Engineer 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 an exceptional Water Treatment Engineer to design, implement, and optimize water treatment systems for xAI’s high-density AI supercomputing facilities. This role focuses on treatment programs for cooling tower water, chilled water loops, closed-loop systems, and process water used in liquid cooling..."}],"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"}]}