# On-site security jobs in San Francisco > Browse on-site security jobs in San Francisco at top tech companies, updated every 12 hours. Each role links to the original posting on the company's ATS, which Lazee autofills in a few clicks. Canonical: https://lazee.dev/careers?role=security&city=san-francisco&workplace=onsite Last updated: 2026-10-25 23 open jobs, page 1 of 1, newest first. Each job links to its posting on the company's own applicant tracking system, which the Lazee extension autofills. ## Jobs - [Offensive Security RL Researcher](https://www.workatastartup.com/jobs/116440) at idler. San Francisco · On-site · Full-time · $200K - $500K · posted 2026-10-14. Apply on Y Combinator. - [Senior Information Systems Security Manager (ISSM)](https://www.workatastartup.com/jobs/114502) at Astranis. San Francisco, California, United States · On-site · Full-time · posted 2026-10-06. Apply on Y Combinator. - [National Security Programs Development Manager](https://www.workatastartup.com/jobs/114301) at Astranis. District of Columbia, United States / San Francisco, California, United States · On-site · Full-time · posted 2026-10-05. Apply on Y Combinator. - [Director, National Security Programs Development](https://www.workatastartup.com/jobs/114299) at Astranis. District of Columbia, United States / San Francisco, California, United States · On-site · Full-time · posted 2026-10-05. Apply on Y Combinator. - [Senior Security Engineer](https://www.workatastartup.com/jobs/113310) at Weave Robotics. San Francisco, CA · On-site · Full-time · $140K - $200K · posted 2026-10-01. Apply on Y Combinator. - [Cloud Infrastructure & Security Engineer](https://www.workatastartup.com/jobs/111490) at Vendra. San Francisco, CA, US · On-site · Full-time · $130K - $150K + 0.05% - 0.10% equity · posted 2026-09-25. Apply on Y Combinator. - [Product Engineer, Security](https://www.workatastartup.com/jobs/109467) at Greptile. San Francisco · On-site · Full-time · $170K - $300K · posted 2026-09-25. Apply on Y Combinator. - [Security Engineer](https://www.workatastartup.com/jobs/109466) at Greptile. San Francisco · On-site · Full-time · $170K - $300K · posted 2026-09-25. Apply on Y Combinator. - [Senior Product Security Engineer (Applications)](https://www.workatastartup.com/jobs/109871) at Astranis. San Francisco, California, United States · On-site · Full-time · posted 2026-09-25. Apply on Y Combinator. - [Product Security Engineer](https://www.workatastartup.com/jobs/109857) at Astranis. San Francisco, California, United States · On-site · Full-time · posted 2026-09-25. Apply on Y Combinator. - [Security Researcher](https://www.workatastartup.com/jobs/109112) at Antigen. San Francisco, CA, US · On-site · Full-time · $150K - $220K + 0.50% - 1.00% equity · posted 2026-08-26. Apply on Y Combinator. - [Senior Security Engineer](https://www.workatastartup.com/jobs/106010) at Weave Robotics. San Francisco, CA · On-site · Full-time · $140K - $200K · posted 2026-08-26. Apply on Y Combinator. - [Security Engineer](https://www.workatastartup.com/jobs/100938) at Juicebox. San Francisco · On-site · Full-time · $160K - $250K · posted 2026-07-27. Apply on Y Combinator. - [Security Engineer](https://www.workatastartup.com/jobs/102158) at LiteLLM. San Francisco · On-site · Full-time · $200K - $230K · posted 2026-07-27. Apply on Y Combinator. - [Head of Security & Compliance](https://www.workatastartup.com/jobs/97524) at Casca. San Francisco · On-site · Full-time · posted 2026-06-27. Apply on Y Combinator. - [Head of Security Engineering](https://www.workatastartup.com/jobs/94614) at Candid Health. San Francisco, CA, US / Denver, CO, US / New York, NY, US · On-site · Full-time · $240K - $310K · posted 2026-05-26. Apply on Y Combinator. - [Member of Security Staff](https://www.workatastartup.com/jobs/92590) at Parameter. San Francisco, CA, US · On-site · Full-time · $130K - $180K · posted 2026-03-29. Apply on Y Combinator. - [Senior Security Engineer](https://www.workatastartup.com/jobs/92538) at Candid Health. Denver, CO, US / San Francisco, CA, US / New York, NY, US · On-site · Full-time · $180K - $258K · posted 2026-03-27. Apply on Y Combinator. - [Software Engineer, Security](https://www.workatastartup.com/jobs/89698) at Pylon. San Francisco · On-site · Full-time · posted 2026-01-28. Apply on Y Combinator. - [Software Engineer, Security](https://www.workatastartup.com/jobs/89683) at Pylon. San Francisco · On-site · Full-time · posted 2026-01-28. Apply on Y Combinator. - [Senior Application Security Engineer](https://www.workatastartup.com/jobs/87513) at Zip. San Francisco, CA, US · On-site · Full-time · $160K - $200K · posted 2025-12-29. Apply on Y Combinator. - [Software Engineer, Security](https://www.workatastartup.com/jobs/77339) at Archon. San Francisco, CA, US · On-site · Full-time · $120K - $170K + 0.25% - 0.75% equity · posted 2025-10-25. Apply on Y Combinator. - [Member of Technical Staff, Infrastructure (Security)](https://www.workatastartup.com/jobs/83649) at Vapi. San Francisco · On-site · Full-time · $150K - $300K · posted 2025-10-25. Apply on Y Combinator. ## Broader searches - [On-site jobs in San Francisco](https://lazee.dev/careers?city=san-francisco&workplace=onsite) (2,144 jobs) - [Security jobs in San Francisco](https://lazee.dev/careers?role=security&city=san-francisco) (158 jobs) - [On-site security jobs](https://lazee.dev/careers?role=security&workplace=onsite) (72 jobs) ## Browse by role - [On-site engineering jobs in San Francisco](https://lazee.dev/careers?role=engineering&city=san-francisco&workplace=onsite) (1,107 jobs) - [On-site full stack developer jobs in San Francisco](https://lazee.dev/careers?role=fullstack&city=san-francisco&workplace=onsite) (454 jobs) - [On-site sales jobs in San Francisco](https://lazee.dev/careers?role=sales&city=san-francisco&workplace=onsite) (280 jobs) - [On-site AI/ML engineer jobs in San Francisco](https://lazee.dev/careers?role=ai-ml&city=san-francisco&workplace=onsite) (228 jobs) - [On-site customer success jobs in San Francisco](https://lazee.dev/careers?role=support&city=san-francisco&workplace=onsite) (154 jobs) - [On-site hardware engineer jobs in San Francisco](https://lazee.dev/careers?role=hardware&city=san-francisco&workplace=onsite) (137 jobs) - [On-site marketing jobs in San Francisco](https://lazee.dev/careers?role=marketing&city=san-francisco&workplace=onsite) (101 jobs) - [On-site backend developer jobs in San Francisco](https://lazee.dev/careers?role=backend&city=san-francisco&workplace=onsite) (97 jobs) - [On-site software engineer jobs in San Francisco](https://lazee.dev/careers?role=software&city=san-francisco&workplace=onsite) (77 jobs) - [On-site product manager jobs in San Francisco](https://lazee.dev/careers?role=product&city=san-francisco&workplace=onsite) (63 jobs) - [On-site design jobs in San Francisco](https://lazee.dev/careers?role=design&city=san-francisco&workplace=onsite) (57 jobs) - [On-site DevOps jobs in San Francisco](https://lazee.dev/careers?role=devops&city=san-francisco&workplace=onsite) (28 jobs) - [On-site frontend developer jobs in San Francisco](https://lazee.dev/careers?role=frontend&city=san-francisco&workplace=onsite) (27 jobs) - [On-site data jobs in San Francisco](https://lazee.dev/careers?role=data&city=san-francisco&workplace=onsite) (15 jobs) - [On-site QA jobs in San Francisco](https://lazee.dev/careers?role=qa&city=san-francisco&workplace=onsite) (11 jobs) - [On-site mobile developer jobs in San Francisco](https://lazee.dev/careers?role=mobile&city=san-francisco&workplace=onsite) (10 jobs) ## Browse by workplace - [Hybrid security jobs in San Francisco](https://lazee.dev/careers?role=security&city=san-francisco&workplace=hybrid) (31 jobs) - [Remote security jobs in San Francisco](https://lazee.dev/careers?role=security&city=san-francisco&workplace=remote) (17 jobs) ## Related - [Lazee.dev home: the job application autofill extension](https://lazee.dev) - [Jobs API](https://lazee.dev/api) - [About Lazee.dev](https://lazee.dev/about) - [Privacy Policy](https://lazee.dev/privacy) - [Terms of Service](https://lazee.dev/terms)