Senior Product Security Engineer — Scale Security for AI & Identity

persona group; San Francisco (CA); On-site; USD 150,000 - 210,000; Full time

Benefits offered by this job

Relocation assistance

Medical, dental, and vision benefits

3% 401(k) contribution

Job summary

Persona, based in San Francisco, builds identity verification infrastructure where security is integral to everything we ship. When security fails, systems fail, and proactive security is essential as AI expands capabilities and attack surfaces.

This product security role sits within a skilled security team. You will own the vulnerability lifecycle, design scalable security tooling, collaborate with engineers to build securely, and lead a growing bug bounty presence.

Qualifications

• 6+ years of software engineering experience.
• 3+ years in product security.
• You've translated security risk into product decisions with non-technical stakeholders.
• You've embedded security into an eng team's SDLC without becoming the team that says no to everything.

Responsibilities

• Drive the full vulnerability lifecycle and how Persona responds to external threats.
• Design and build autonomous systems and AI tooling that scale security across every team and product.
• Partner with product engineers to shape how new features and systems get built securely.
• Shape Persona's presence in the security research community — running the bug bounty program that powers it.

Skills

Software engineering

Product security

Tools

SAST/DAST tooling

Dependency scanning

Bug bounty programs

Job description

Persona, based in San Francisco, builds identity verification infrastructure where security is integral to everything we ship. When security fails, systems fail, and proactive security is essential as AI expands capabilities and attack surfaces.

This product security role sits within a skilled security team. You will own the vulnerability lifecycle, design scalable security tooling, collaborate with engineers to build securely, and lead a growing bug bounty presence.