Senior Security Engineer (US)

Infisical is looking to hire exceptional talent to join our teams in building the open source security infrastructure stack for the AI era. We're building a generational company with a world-class team. This isn’t a place to coast — but if you want to grow fast, take ownership, and solve tough problems, you’ll be challenged like nowhere else. What We’re Looking For We’re looking for an exceptional Senior Security Engineer to help us build, strengthen, and scale security across our platform and infrastructure. We’ve kept our hiring standards exceptionally high since we expect engineers to tackle a broad range of challenges on a day-to-day basis. Security at Infisical spans everything from application and infrastructure security to secure development practices and compliance, requiring a thoughtful, hands-on approach to protecting systems that developers rely on every day. You’ll work closely with our CTO and the rest of the engineering team to: Own vulnerability management end-to-end while continuously testing and improving the security of our systems (APIs, auth, access control) Build tooling and automation to proactively detect, prevent, and remediate security issues while elevating secure coding practices across the team Support broader security efforts including compliance, certifications, and collaboration with external security researchers Requirements Strong hands-on experience in application, product, or infrastructure security, with the ability to read and work across modern codebases Familiarity with cloud environments and common security testing practices (e.g. penetration testing, vulnerability scanning) Solid understanding of core security principles, including authentication, access control, and cryptography Must be based in the United States Bonus Experience in security for developer tools, infrastructure, or open source software Contributions to security research, open-source projects, or security tooling Familiarity with bug bounty programs or working with external security communities How You’ll Grow In this role, you’ll play a pivotal part in shaping Infisical’s future—making key technical decisions, establishing foundational processes, and tackling complex security challenges across our platform. As you gain experience and the team expands, you'll have the opportunity to take full ownership of key areas of security, driving them end-to-end with autonomy and impact. Overall, you’ll be one of the defining pieces of our team as we scale to thousands of customers over the next 18 months. Team, Values & Benefits Our team brings experience from companies like Figma, AWS, and Red Hat. We operate primarily as a remote team but maintain a strong presence in San Francisco, where we have an office. We also get together in person throughout the year for off-sites, conferences, and team gatherings. At Infisical, we offer competitive compensation, including both salary and equity options. For this role, the salary range depends on location, experience, and seniority. Additional benefits, such as a lunch stipend and a work setup budget, are available with more details to be found on our careers page. About Us Infisical is the open source security infrastructure platform that engineers use for secrets, certificates, and privileged access management. We help developers and organizations securely manage over 1.5 billion secrets each month including application configuration, database credentials, certificates, and more. We’ve raised $19M from Y Combinator, Google, and Elad Gil, and our customers include Hugging Face, Lucid, and LG. Join us on a mission to make security easier for all developers — starting with secrets management.