Lead Staff Product Security Engineer

endorlabs; United States; Remote; USD 180,000 - 280,000; Full time

Job summary

EndorLabs is seeking a senior security leader to set the technical direction for product security across a software platform. You will translate findings into practical fixes and safer engineering workflows while collaborating closely with engineering and product teams to influence customer-facing product decisions.

You will drive threat modeling, automation, and security tooling efforts, shaping security strategy across software supply chains, runtime monitoring, and AI agent protections.

Qualifications

• Ten+ years in application or product security with technical leadership at staff/principal level.
• Experience building and measuring security tooling or automation across an engineering org.
• Experience influencing product roadmaps and getting security improvements adopted by teams or customers.
• Hands-on experience applying LLMs or agents to security problems (finding, validating, fixing, or preventing vulnerabilities).
• Deep skills in threat modeling and secure architecture.
• Ability to set direction and influence senior stakeholders without formal authority.

Responsibilities

• Set the technical direction for product security across the software platform.
• Turn security findings into practical fixes and safer engineering workflows.
• Balance hands-on application security with threat modeling, automation, and partner with engineering and product teams.
• Shape customer-facing product decisions with security insights.
• Lead security strategy across software supply chains, first-party code, runtime monitoring, and AI agent protections.
• Evaluate how LLMs and agents can support security work and measure their limitations.

Skills

Security leadership

Threat modeling

Application security

Automation

LLMs/AI in security

Secure architecture

Influence senior stakeholders

Tools

Internal security tooling

CI/CD security

Bazel monorepos

Job description

EndorLabs is seeking a senior security leader to set the technical direction for product security across a software platform. You will translate findings into practical fixes and safer engineering workflows while collaborating closely with engineering and product teams to influence customer-facing product decisions.

You will drive threat modeling, automation, and security tooling efforts, shaping security strategy across software supply chains, runtime monitoring, and AI agent protections.