Application Security Engineer

At OneStream, we're on a mission to empower every Finance organization and professional to exceed their potential. Our global teams span continents, cultures, and time zones, united by a shared purpose as we build the operating system for modern Finance and help organizations move with greater speed, clarity, and confidence. That mission comes to life through our people.

Behind every innovation, customer success, and milestone are talented people working together to make a difference. That's why we're looking for people who are bold enough to think big, authentic in how they lead and collaborate, curious about what's possible, and committed to delivering results. Want a closer look before you apply?

Explore our Careers site to learn more about our people, culture, and benefits. Summary We are looking for an Application Security Engineer to join the Information Security team. In this role, you will help keep the OneStream platform secure by triaging and validating findings from application security tools, partnering with engineering teams on practical remediation, and supporting security design reviews and threat modelling for new features throughout the SDLC.

You will also use automation and AI-assisted tooling to take on repetitive work, such as reviewing and summarizing findings, so the team can focus on higher-impact security problems. The ideal candidate has experience in software engineering and security, with a solid foundation in secure development practices, familiari