As a Senior Application Security Engineer-I at Sumo Logic, you'll collaborate with development teams and the Security Operations Center (SOC) to ensure product security and compliance. Responsibilities include applying secure coding best practices, performing security reviews and penetration tests, leading threat modeling exercises, leveraging Sumo Logic's product and third-party tools to build security into the SDLC, implementing security solutions, participating in security research and audits, driving operational excellence, and participating in on-call rotation. The role requires expertise in OWASP top 10 vulnerabilities, cloud security tools, and high-scale SaaS environments. Strong coding skills (Scala preferred) are essential.