{"schema_version":"onlylabs.public_signal.v1","title":"Anthropic Job: Research Engineer, Knowledge Foundations","description":"Anthropic job signal with public source context, captured evidence pages, related signals, and data-business radar classification.","url":"https://onlylabs.fyi/signals/b7f49c35-87a0-4d8b-a28d-7f332bd77a76","json_url":"https://onlylabs.fyi/signals/b7f49c35-87a0-4d8b-a28d-7f332bd77a76/signal.json","generated_at":"2026-06-09T02:21:33.125419+00:00","org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab","category_label":"Frontier lab","dossier_url":"https://onlylabs.fyi/labs/anthropic","dossier_json_url":"https://onlylabs.fyi/labs/anthropic/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/b7f49c35-87a0-4d8b-a28d-7f332bd77a76","signal_json":"https://onlylabs.fyi/signals/b7f49c35-87a0-4d8b-a28d-7f332bd77a76/signal.json","source":"https://job-boards.greenhouse.io/anthropic/jobs/5197337008","lab_dossier":"https://onlylabs.fyi/labs/anthropic","lab_dossier_json":"https://onlylabs.fyi/labs/anthropic/dossier.json","analysis":"https://onlylabs.fyi/analysis/anthropic","analysis_json":"https://onlylabs.fyi/analysis/anthropic/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/anthropic/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":"Anthropic opened Research Engineer, Knowledge Foundations (San Francisco, CA). This hiring signal is demand evidence for teams, locations, and technical bets being staffed. High-signal details: location San Francisco, CA · 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/anthropic/jobs/5197337008","source_host":"job-boards.greenhouse.io","occurred_at":"2026-05-26T19:57:56+00:00","first_seen_at":"2026-06-05T05:42:57.438244+00:00","date_source":"source","context":"San Francisco, CA"},"context_markers":[{"label":"Lab","value":"Anthropic","source":"signal"},{"label":"Signal desk","value":"hiring","source":"signal"},{"label":"Source host","value":"job-boards.greenhouse.io","source":"source"},{"label":"Location","value":"San Francisco, CA","source":"signal"},{"label":"ATS","value":"greenhouse","source":"source"},{"label":"Notability","value":"Routine job posting","source":"signal"},{"label":"Watch term","value":"Eval methodology","source":"evidence"},{"label":"Watch term","value":"Data pipeline","source":"evidence"},{"label":"Watch term","value":"Infrastructure","source":"evidence"},{"label":"Watch term","value":"Safety and alignment","source":"evidence"},{"label":"Watch term","value":"Agents and tool use","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/anthropic/jobs/5197337008"],"related_signals":6,"has_source_url":true,"latest_page_fetched_at":"2026-06-09T02:21:33.125419+00:00"},"data_business":{"matches":false,"lanes":[],"matched_terms":[],"score":null,"reason":null},"agent_handoff":{"signal_json":"https://onlylabs.fyi/signals/b7f49c35-87a0-4d8b-a28d-7f332bd77a76/signal.json","dossier_json":"https://onlylabs.fyi/labs/anthropic/dossier.json","analysis_json":"https://onlylabs.fyi/analysis/anthropic/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/anthropic/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/b7f49c35-87a0-4d8b-a28d-7f332bd77a76/signal.json","required":true},{"label":"source","url":"https://job-boards.greenhouse.io/anthropic/jobs/5197337008","required":true},{"label":"dossier_json","url":"https://onlylabs.fyi/labs/anthropic/dossier.json","required":true},{"label":"analysis_evidence_json","url":"https://onlylabs.fyi/analysis/anthropic/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 Anthropic's job signal \"Research Engineer, Knowledge Foundations\" for frontier lab strategy."},"semantic_triples":[{"subject":"Anthropic","predicate":"opened","object":"role Research Engineer, Knowledge Foundations","text":"Anthropic opened role Research Engineer, Knowledge Foundations."},{"subject":"Research Engineer, Knowledge Foundations","predicate":"is classified as","object":"job signal","text":"Research Engineer, Knowledge Foundations is classified as job signal."},{"subject":"Research Engineer, Knowledge Foundations","predicate":"belongs to","object":"hiring desk","text":"Research Engineer, Knowledge Foundations belongs to hiring desk."},{"subject":"Research Engineer, Knowledge Foundations","predicate":"has context","object":"San Francisco, CA","text":"Research Engineer, Knowledge Foundations has context San Francisco, CA."},{"subject":"Research Engineer, Knowledge Foundations","predicate":"has evidence coverage","object":"1 captured evidence page","text":"Research Engineer, Knowledge Foundations has evidence coverage 1 captured evidence page."},{"subject":"Research Engineer, Knowledge Foundations","predicate":"has captured page count","object":"1","text":"Research Engineer, Knowledge Foundations has captured page count 1."},{"subject":"Research Engineer, Knowledge Foundations","predicate":"has readable page count","object":"1","text":"Research Engineer, Knowledge Foundations has readable page count 1."},{"subject":"Research Engineer, Knowledge Foundations","predicate":"has related signal count","object":"6","text":"Research Engineer, Knowledge Foundations has related signal count 6."},{"subject":"Research Engineer, Knowledge Foundations","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":"Research Engineer, Knowledge Foundations has analysis playbook objective Turn open roles into leading indicators for teams, locations, infrastructure needs, eval work, data demand, and commercialization buildout.."},{"subject":"Research Engineer, Knowledge Foundations","predicate":"has source host","object":"job-boards.greenhouse.io","text":"Research Engineer, Knowledge Foundations has source host job-boards.greenhouse.io."},{"subject":"Research Engineer, Knowledge Foundations","predicate":"has lab","object":"Anthropic","text":"Research Engineer, Knowledge Foundations has lab Anthropic."},{"subject":"Research Engineer, Knowledge Foundations","predicate":"has signal desk","object":"hiring","text":"Research Engineer, Knowledge Foundations has signal desk hiring."},{"subject":"Research Engineer, Knowledge Foundations","predicate":"has source host","object":"job-boards.greenhouse.io","text":"Research Engineer, Knowledge Foundations has source host job-boards.greenhouse.io."},{"subject":"Research Engineer, Knowledge Foundations","predicate":"has location","object":"San Francisco, CA","text":"Research Engineer, Knowledge Foundations has location San Francisco, CA."},{"subject":"Research Engineer, Knowledge Foundations","predicate":"has ats","object":"greenhouse","text":"Research Engineer, Knowledge Foundations has ats greenhouse."},{"subject":"Research Engineer, Knowledge Foundations","predicate":"has notability","object":"Routine job posting","text":"Research Engineer, Knowledge Foundations has notability Routine job posting."},{"subject":"Research Engineer, Knowledge Foundations","predicate":"has watch term","object":"Eval methodology","text":"Research Engineer, Knowledge Foundations has watch term Eval methodology."},{"subject":"Research Engineer, Knowledge Foundations","predicate":"has watch term","object":"Data pipeline","text":"Research Engineer, Knowledge Foundations has watch term Data pipeline."}]},"intelligence":{"signal_desk":"hiring","answer":"Anthropic opened Research Engineer, Knowledge Foundations (San Francisco, CA). This hiring signal is demand evidence for teams, locations, and technical bets being staffed. High-signal details: location San Francisco, CA · Routine job posting. onlylabs links this event to 1 captured evidence page and 6 related job signals.","semantic_triples":[{"subject":"Anthropic","predicate":"opened","object":"role Research Engineer, Knowledge Foundations","text":"Anthropic opened role Research Engineer, Knowledge Foundations."},{"subject":"Research Engineer, Knowledge Foundations","predicate":"is classified as","object":"job signal","text":"Research Engineer, Knowledge Foundations is classified as job signal."},{"subject":"Research Engineer, Knowledge Foundations","predicate":"belongs to","object":"hiring desk","text":"Research Engineer, Knowledge Foundations belongs to hiring desk."},{"subject":"Research Engineer, Knowledge Foundations","predicate":"has context","object":"San Francisco, CA","text":"Research Engineer, Knowledge Foundations has context San Francisco, CA."},{"subject":"Research Engineer, Knowledge Foundations","predicate":"has evidence coverage","object":"1 captured evidence page","text":"Research Engineer, Knowledge Foundations has evidence coverage 1 captured evidence page."}]},"signal":{"id":"b7f49c35-87a0-4d8b-a28d-7f332bd77a76","url":"https://onlylabs.fyi/signals/b7f49c35-87a0-4d8b-a28d-7f332bd77a76","json_url":"https://onlylabs.fyi/signals/b7f49c35-87a0-4d8b-a28d-7f332bd77a76/signal.json","source_url":"https://job-boards.greenhouse.io/anthropic/jobs/5197337008","title":"Research Engineer, Knowledge Foundations","summary":"Anthropic opened a hiring signal. onlylabs watches roles as demand indicators for teams, locations, and technical bets.","context":"San Francisco, CA","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab"},"occurred_at":"2026-05-26T19:57:56+00:00","first_seen_at":"2026-06-05T05:42:57.438244+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/anthropic/jobs/5197337008"]},"facets":{"location":"San Francisco, CA","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/anthropic/jobs/5197337008","final_url":"https://job-boards.greenhouse.io/anthropic/jobs/5197337008","title":"Research Engineer, Knowledge Foundations","http_status":200,"content_type":"text/html; charset=utf-8","capture_method":"plain","fetched_at":"2026-06-09T02:21:33.125419+00:00","bytes":96999,"raw_path":"6d49f4faacd87d39dc51f0f08d15a8b0293646fc916d30eb53e0e86667c87aa0.html","content_hash":"f22c877fef493540b623a3167529ce1be53077a6083e77c35c68ac536ca0f485","excerpt_chars":1200,"truncated":true,"excerpt":"Job Application for Research Engineer, Knowledge Foundations at Anthropic Back to jobs Research Engineer, Knowledge Foundations San Francisco, CA Apply About Anthropic Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems. About the role The Knowledge Work team builds the training environments and evaluations that make Claude effective at real-world professional workflows — searching, analyzing, and creating across the tools and documents knowledge workers use every day. As that work scales, the systems behind it need to be as rigorous as the research itself. As a Research Engineer on Knowledge, you'll design and run experiments that improve how Claude searches, retrieves, and reasons over information at scale. The work spans environment design, data curation, RL training, evaluation, and the infrastructure that supports it all. You'll move fluidly between these depending on what's blocking progress. You'll partner..."},"evidence_pages":[{"url":"https://job-boards.greenhouse.io/anthropic/jobs/5197337008","final_url":"https://job-boards.greenhouse.io/anthropic/jobs/5197337008","title":"Research Engineer, Knowledge Foundations","http_status":200,"content_type":"text/html; charset=utf-8","capture_method":"plain","fetched_at":"2026-06-09T02:21:33.125419+00:00","bytes":96999,"raw_path":"6d49f4faacd87d39dc51f0f08d15a8b0293646fc916d30eb53e0e86667c87aa0.html","content_hash":"f22c877fef493540b623a3167529ce1be53077a6083e77c35c68ac536ca0f485","excerpt_chars":1200,"truncated":true,"excerpt":"Job Application for Research Engineer, Knowledge Foundations at Anthropic Back to jobs Research Engineer, Knowledge Foundations San Francisco, CA Apply About Anthropic Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems. About the role The Knowledge Work team builds the training environments and evaluations that make Claude effective at real-world professional workflows — searching, analyzing, and creating across the tools and documents knowledge workers use every day. As that work scales, the systems behind it need to be as rigorous as the research itself. As a Research Engineer on Knowledge, you'll design and run experiments that improve how Claude searches, retrieves, and reasons over information at scale. The work spans environment design, data curation, RL training, evaluation, and the infrastructure that supports it all. You'll move fluidly between these depending on what's blocking progress. You'll partner..."}],"related_signals":[{"id":"7545b64a-3699-4461-aa7b-591f0ff8399b","url":"https://onlylabs.fyi/signals/7545b64a-3699-4461-aa7b-591f0ff8399b","source_url":"https://job-boards.greenhouse.io/anthropic/jobs/5186852008","title":"Product Support Specialist (Singapore)","context":"Singapore","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab"},"occurred_at":"2026-06-11T05:01:19+00:00","first_seen_at":"2026-06-05T05:42:57.438244+00:00","date_source":"greenhouse.updated_at"},{"id":"46fed67d-fb9e-4ec4-8fa5-e065cb534ade","url":"https://onlylabs.fyi/signals/46fed67d-fb9e-4ec4-8fa5-e065cb534ade","source_url":"https://job-boards.greenhouse.io/anthropic/jobs/5186965008","title":"Product Support Specialist (Singapore - Weekend Coverage)","context":"Singapore","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab"},"occurred_at":"2026-06-11T05:01:17+00:00","first_seen_at":"2026-06-05T05:42:57.438244+00:00","date_source":"greenhouse.updated_at"},{"id":"22609fbe-e554-4224-8abb-7130c97381bf","url":"https://onlylabs.fyi/signals/22609fbe-e554-4224-8abb-7130c97381bf","source_url":"https://job-boards.greenhouse.io/anthropic/jobs/4979585008","title":"Product Support Specialist","context":"Boston, MA; San Francisco, CA | New York City, NY | Seattle, WA; Washington, DC","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab"},"occurred_at":"2026-06-11T04:56:33+00:00","first_seen_at":"2026-06-05T05:42:57.438244+00:00","date_source":"greenhouse.updated_at"},{"id":"703f4263-e360-4fec-ae39-d05490a48eca","url":"https://onlylabs.fyi/signals/703f4263-e360-4fec-ae39-d05490a48eca","source_url":"https://job-boards.greenhouse.io/anthropic/jobs/5253274008","title":"Enterprise Threat Intelligence Lead, Global Safety, Intelligence & Security ","context":"San Francisco, CA | Seattle, WA | New York City, NY | Washington, DC","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab"},"occurred_at":"2026-06-11T00:38:05+00:00","first_seen_at":"2026-06-11T07:01:03.928848+00:00","date_source":"greenhouse.updated_at"},{"id":"7828ae51-3421-41fd-961f-9e4cd74e828c","url":"https://onlylabs.fyi/signals/7828ae51-3421-41fd-961f-9e4cd74e828c","source_url":"https://job-boards.greenhouse.io/anthropic/jobs/5119468008","title":"Staff Software Engineer, People Products","context":"Remote-Friendly (Travel Required) | San Francisco, CA","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab"},"occurred_at":"2026-06-11T00:21:00+00:00","first_seen_at":"2026-06-05T05:42:57.438244+00:00","date_source":"greenhouse.updated_at"},{"id":"e42bec4f-48c2-47da-b1ac-84d97f97f0f5","url":"https://onlylabs.fyi/signals/e42bec4f-48c2-47da-b1ac-84d97f97f0f5","source_url":"https://job-boards.greenhouse.io/anthropic/jobs/5194529008","title":"Marketing Events Lead, Brand","context":"San Francisco, CA | New York City, NY","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab"},"occurred_at":"2026-06-11T00:15:44+00:00","first_seen_at":"2026-06-05T05:42:57.438244+00:00","date_source":"greenhouse.updated_at"}]}