{"schema_version":"onlylabs.public_signal.v1","title":"Anthropic Job: Staff Fiber Network Engineer","description":"Anthropic job signal with public source context, captured evidence pages, related signals, and data-business radar classification.","url":"https://onlylabs.fyi/signals/b13a12f1-0fe8-4340-98e6-9024063d81d7","json_url":"https://onlylabs.fyi/signals/b13a12f1-0fe8-4340-98e6-9024063d81d7/signal.json","generated_at":"2026-06-10T07:04:46.028+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/b13a12f1-0fe8-4340-98e6-9024063d81d7","signal_json":"https://onlylabs.fyi/signals/b13a12f1-0fe8-4340-98e6-9024063d81d7/signal.json","source":"https://job-boards.greenhouse.io/anthropic/jobs/5219454008","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 Staff Fiber Network Engineer (San Francisco, CA | New York City, NY). This hiring signal is demand evidence for teams, locations, and technical bets being staffed. High-signal details: location San Francisco, CA | New York City, NY · Routine job posting at AI lab. 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/5219454008","source_host":"job-boards.greenhouse.io","occurred_at":"2026-05-14T15:42:14+00:00","first_seen_at":"2026-06-05T05:42:57.438244+00:00","date_source":"source","context":"San Francisco, CA | New York City, NY"},"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 | New York City, NY","source":"signal"},{"label":"ATS","value":"greenhouse","source":"source"},{"label":"Notability","value":"Routine job posting at AI lab","source":"signal"},{"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":["exa"],"missing_page_urls":[],"failed_page_urls":[],"blocked_page_urls":[],"page_urls":["https://job-boards.greenhouse.io/anthropic/jobs/5219454008"],"related_signals":6,"has_source_url":true,"latest_page_fetched_at":"2026-06-10T07:04:46.028+00:00"},"data_business":{"matches":false,"lanes":[],"matched_terms":[],"score":null,"reason":null},"agent_handoff":{"signal_json":"https://onlylabs.fyi/signals/b13a12f1-0fe8-4340-98e6-9024063d81d7/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/b13a12f1-0fe8-4340-98e6-9024063d81d7/signal.json","required":true},{"label":"source","url":"https://job-boards.greenhouse.io/anthropic/jobs/5219454008","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 \"Staff Fiber Network Engineer\" for frontier lab strategy."},"semantic_triples":[{"subject":"Anthropic","predicate":"opened","object":"role Staff Fiber Network Engineer","text":"Anthropic opened role Staff Fiber Network Engineer."},{"subject":"Staff Fiber Network Engineer","predicate":"is classified as","object":"job signal","text":"Staff Fiber Network Engineer is classified as job signal."},{"subject":"Staff Fiber Network Engineer","predicate":"belongs to","object":"hiring desk","text":"Staff Fiber Network Engineer belongs to hiring desk."},{"subject":"Staff Fiber Network Engineer","predicate":"has context","object":"San Francisco, CA | New York City, NY","text":"Staff Fiber Network Engineer has context San Francisco, CA | New York City, NY."},{"subject":"Staff Fiber Network Engineer","predicate":"has evidence coverage","object":"1 captured evidence page","text":"Staff Fiber Network Engineer has evidence coverage 1 captured evidence page."},{"subject":"Staff Fiber Network Engineer","predicate":"has captured page count","object":"1","text":"Staff Fiber Network Engineer has captured page count 1."},{"subject":"Staff Fiber Network Engineer","predicate":"has readable page count","object":"1","text":"Staff Fiber Network Engineer has readable page count 1."},{"subject":"Staff Fiber Network Engineer","predicate":"has related signal count","object":"6","text":"Staff Fiber Network Engineer has related signal count 6."},{"subject":"Staff Fiber Network 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":"Staff Fiber Network Engineer has analysis playbook objective Turn open roles into leading indicators for teams, locations, infrastructure needs, eval work, data demand, and commercialization buildout.."},{"subject":"Staff Fiber Network Engineer","predicate":"has source host","object":"job-boards.greenhouse.io","text":"Staff Fiber Network Engineer has source host job-boards.greenhouse.io."},{"subject":"Staff Fiber Network Engineer","predicate":"has lab","object":"Anthropic","text":"Staff Fiber Network Engineer has lab Anthropic."},{"subject":"Staff Fiber Network Engineer","predicate":"has signal desk","object":"hiring","text":"Staff Fiber Network Engineer has signal desk hiring."},{"subject":"Staff Fiber Network Engineer","predicate":"has source host","object":"job-boards.greenhouse.io","text":"Staff Fiber Network Engineer has source host job-boards.greenhouse.io."},{"subject":"Staff Fiber Network Engineer","predicate":"has location","object":"San Francisco, CA | New York City, NY","text":"Staff Fiber Network Engineer has location San Francisco, CA | New York City, NY."},{"subject":"Staff Fiber Network Engineer","predicate":"has ats","object":"greenhouse","text":"Staff Fiber Network Engineer has ats greenhouse."},{"subject":"Staff Fiber Network Engineer","predicate":"has notability","object":"Routine job posting at AI lab","text":"Staff Fiber Network Engineer has notability Routine job posting at AI lab."},{"subject":"Staff Fiber Network Engineer","predicate":"has watch term","object":"Infrastructure","text":"Staff Fiber Network Engineer has watch term Infrastructure."},{"subject":"Staff Fiber Network Engineer","predicate":"has watch term","object":"Safety and alignment","text":"Staff Fiber Network Engineer has watch term Safety and alignment."}]},"intelligence":{"signal_desk":"hiring","answer":"Anthropic opened Staff Fiber Network Engineer (San Francisco, CA | New York City, NY). This hiring signal is demand evidence for teams, locations, and technical bets being staffed. High-signal details: location San Francisco, CA | New York City, NY · Routine job posting at AI lab. onlylabs links this event to 1 captured evidence page and 6 related job signals.","semantic_triples":[{"subject":"Anthropic","predicate":"opened","object":"role Staff Fiber Network Engineer","text":"Anthropic opened role Staff Fiber Network Engineer."},{"subject":"Staff Fiber Network Engineer","predicate":"is classified as","object":"job signal","text":"Staff Fiber Network Engineer is classified as job signal."},{"subject":"Staff Fiber Network Engineer","predicate":"belongs to","object":"hiring desk","text":"Staff Fiber Network Engineer belongs to hiring desk."},{"subject":"Staff Fiber Network Engineer","predicate":"has context","object":"San Francisco, CA | New York City, NY","text":"Staff Fiber Network Engineer has context San Francisco, CA | New York City, NY."},{"subject":"Staff Fiber Network Engineer","predicate":"has evidence coverage","object":"1 captured evidence page","text":"Staff Fiber Network Engineer has evidence coverage 1 captured evidence page."}]},"signal":{"id":"b13a12f1-0fe8-4340-98e6-9024063d81d7","url":"https://onlylabs.fyi/signals/b13a12f1-0fe8-4340-98e6-9024063d81d7","json_url":"https://onlylabs.fyi/signals/b13a12f1-0fe8-4340-98e6-9024063d81d7/signal.json","source_url":"https://job-boards.greenhouse.io/anthropic/jobs/5219454008","title":"Staff Fiber Network Engineer","summary":"Anthropic opened a hiring signal. onlylabs watches roles as demand indicators for teams, locations, and technical bets.","context":"San Francisco, CA | New York City, NY","kind":{"key":"job_opened","label":"Job"},"org":{"slug":"anthropic","name":"Anthropic","category":"frontier-lab"},"occurred_at":"2026-05-14T15:42:14+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":["exa"],"missing_page_urls":[],"failed_page_urls":[],"blocked_page_urls":[],"page_urls":["https://job-boards.greenhouse.io/anthropic/jobs/5219454008"]},"facets":{"location":"San Francisco, CA | New York City, NY","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/5219454008","final_url":"https://job-boards.greenhouse.io/anthropic/jobs/5219454008","title":"Staff Fiber Network Engineer","http_status":200,"content_type":null,"capture_method":"exa","fetched_at":"2026-06-10T07:04:46.028+00:00","bytes":null,"raw_path":null,"content_hash":null,"excerpt_chars":1200,"truncated":true,"excerpt":"Job Application for Staff Fiber Network Engineer at Anthropic Staff Fiber Network Engineer San Francisco, CA | New York City, NY 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 Anthropic is building Anternet — a private, global dark-fiber backbone connecting our data centers, cloud regions, and partners. We light our own glass: long-haul and metro DWDM over leased dark fiber and IRU pairs terminating on our own optical line systems and routers. We're looking for a Staff Fiber Network Engineer to own the physical layer of this network end-to-end. You'll be the person who decides where the fiber goes and then makes sure it actually shows up, splices clean, and tests to spec. This is equal parts route engineering, vendor management, and field-delivery program management — the connective tissue between \"we need N×Tbps between these two metros\" and \"the span is lit and carrying..."},"evidence_pages":[{"url":"https://job-boards.greenhouse.io/anthropic/jobs/5219454008","final_url":"https://job-boards.greenhouse.io/anthropic/jobs/5219454008","title":"Staff Fiber Network Engineer","http_status":200,"content_type":null,"capture_method":"exa","fetched_at":"2026-06-10T07:04:46.028+00:00","bytes":null,"raw_path":null,"content_hash":null,"excerpt_chars":1200,"truncated":true,"excerpt":"Job Application for Staff Fiber Network Engineer at Anthropic Staff Fiber Network Engineer San Francisco, CA | New York City, NY 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 Anthropic is building Anternet — a private, global dark-fiber backbone connecting our data centers, cloud regions, and partners. We light our own glass: long-haul and metro DWDM over leased dark fiber and IRU pairs terminating on our own optical line systems and routers. We're looking for a Staff Fiber Network Engineer to own the physical layer of this network end-to-end. You'll be the person who decides where the fiber goes and then makes sure it actually shows up, splices clean, and tests to spec. This is equal parts route engineering, vendor management, and field-delivery program management — the connective tissue between \"we need N×Tbps between these two metros\" and \"the span is lit and carrying..."}],"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"}]}