SeniorSecurityEngineerII,ApplicationSecurity

For over 20 years, Smartsheet has helped people and teams achieve–well, anything. From seamless work management to smart, scalable solutions, we’ve always worked with flow. We’re building tools that empower teams to automate the manual, uncover insights, and scale smarter. But more than that, we’re creating space– space to think big, take action, and unlock the kind of work that truly matters. Because when challenge meets purpose, and passion turns into progress, that’s magic at work, and it’s what we show up for everyday. AI is changing what application security can accomplish. We're not just securing AI; we're using it as a force multiplier to see more risk, act faster, and scale security across a platform used by millions of customers globally. We're looking for a Senior Security Engineer II to join our Application Security team who can do both: bring deep expertise in securing AI-integrated systems, and deploy AI and automation to drive risk visibility and reduction at a scale no traditional security program can match on its own. This is a high-ownership, technically demanding role for an experienced application security engineer. You will work at the intersection of threat-informed design, engineering automation, and applied AI, doing consequential security work that directly shapes the posture of a modern SaaS platform. If you're a security engineer who writes code to solve security problems, can read a production codebase to find what a scanner misses, and wants your work to matter beyond a ticket queue, we want to talk. You will report to the Manager, Application Security , based in our Bellevue, WA office, or you may work remotely from anywhere in the US where Smartsheet is a registered employer. You Will: Secure AI Systems and Use AI to Scale Security: Conduct security reviews and threat modeling of AI-integrated product features (LLM workflows, agentic pipelines, model APIs) with working knowledge of AI-specific risk classes including prompt injection, mo