Senior Security Engineer is open at Apolloresearch in London & San Francisco. The posting gives a salary of $214K - $280K. Posted on Aug 28, 2026, and still on Apolloresearch’s careers page when we last checked, on Nov 14, 2026.
About the role
Apollo Research works with most frontier AI companies (OpenAI, Anthropic, Google, Meta, Thinking Machines and others) to test their models before deployment and collaborate on fundamental scheming research. Our coding agent security product, Watcher, is deployed in production and monitors billions of agent tokens per month across engineering teams at agent-building scale-ups and enterprises. Security exists at…
The opening lines of the posting. The rest is on Apolloresearch’s careers page.
Hiring at Apolloresearch
Apolloresearch has 11 open roles right now. Most are in Security, Data & Research and Engineering. See all its roles