The Product Security Engineer is responsible for securing products by identifying risks in the software development lifecycle, integrating security processes, developing application security tools, conducting penetration testing, and providing security training to the organization. The role emphasizes partnering with development teams to ensure the security of products and tools.

The Senior Product Security Engineer focuses on securing Navan products throughout the SDLC. Responsibilities include developing security tools, conducting threat modeling, performing security assessments, advising on risk remediation, and integrating security within the application development process. This role also demands collaboration with engineering and product teams to enhance software security and build security ownership.