Senior Security Engineer at Flex

This role is designed for a technical security professional with at least five years of experience who understands the complexity of fintech environments. You should be equally comfortable performing hands-on penetration testing and architecting secure payment systems within AWS. **What makes it worth a look...** You'll be one of four security people supporting over 100 engineers, offering massive influence over how the company builds its SDLC. The compensation is solid for a remote role, and they provide unique perks like company equity, a 401(k) match starting in 2026, and unlimited PTO. **You might be a good fit if you...** * Have deep experience applying STRIDE or DREAD threat modeling to production environments. * Can navigate SOC 2, PCI DSS, and NYDFS compliance requirements for financial platforms. * Know how to build automated security tooling into CI/CD pipelines. * Are comfortable leading incident response and post-mortem remediation.