Staff Application & Product Security Engineer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Staff Application & Product Security Engineer based in United States.

• This Staff-level individual contributor role owns application and product security across both SaaS and customer-hosted products.
• You will shape how security is embedded throughout the software development lifecycle, from architecture and threat modeling through release and remediation.
• The role combines hands-on engineering with program ownership, allowing you to establish standards, build automated guardrails, and influence security decisions across engineering teams.
• You will partner closely with Engineering, Product, Architecture, Cloud Security, and executive leadership to strengthen the security posture of shipped products.
• A major focus will be vulnerability management, secure development practices, customer-facing product security, and security enablement for developers.
• You will also lead emerging AI security efforts, establishing practical controls for LLM-enabled features, AI agents, and AI-assisted development workflows.
• This is an opportunity to make high-impact technical decisions while creating scalable security programs, automation, and processes that support a growing product organization.