Security Engineer (AI DevTool Start-Up)

Security Engineer (AI DevTool Start-Up)$200,000 – $230,000 + Equity + Benefits + 401(k)On-site in San Francisco, CAAre you a security engineer with a genuine passion for proactive, offensive security, someone who hunts vulnerabilities before they become risks rather than waiting for a report to land? Do you have CTF wins and hands-on white-hat hacking experience to back that up?This is an opportunity to join a fast-growing, profitable startup at the forefront of AI infrastructure, building the compliance and reliability layer that enterprise customers like Adobe, Netflix, and NASA depend on in production. They're profitable, with 8-figure ARR, and you'd be joining them with seed-level equity ahead of a Series A raise.Backed by top-tier investors, the team has built the world's most widely used LLM Gateway, a unified platform that gives developers secure, scalable access to every major LLM provider. Now, they're looking for a Security Engineer to proactively protect the platform at both the application and CI/CD levels.You'll own LiteLLM's security posture across application and supply chain domains, with a mandate to maintain zero critical or high vulnerabilities and neutralize attack vectors before they become problems, working across offensive security, CI/CD, and secure release processes.If you're looking for a role where deep security ownership directly shapes how an open-source product used by enterprises around the world stays secure, whilst benefiting from strong equity in an already profitable company before they raise their Series A, this is an outstanding opportunity.The RoleOwn application-level security and maintain zero critical or high vulnerabilitiesProactively identify, assess, and remediate attack vectors across the platformActively hunt vulnerabilities and ensure robust defensesOversee CI/CD security with zero supply chain incidentsEmbed security throughout development and deployment cross-functionallyContinuously adapt security practices to emerging threatsThe PersonExperience at a startup (Seed to Series D), comfortable wearing multiple hatsStrong background in security engineering and hands-on offensive or white-hat hackingDemonstrated experience with application and CI/CD securitySecurity-related projects on resume, GitHub, or similarEvidence of winning past CTFs