Senior AI Security Engineer — Platform Security Leader

PSI; San Francisco (CA); In loco; USD 180.000 - 240.000; Tempo pieno

Vantaggi offerti da questo lavoro

Health Care Plan (Medical, Dental &amp

Retirement Plan (401k, IRA)

Life Insurance (Basic, Voluntary &

Paid Time Off (Vacation, Sick &)

Family Leave (Maternity, Paternity)

Short Term & Long Term Disability

Training & Development

Descrizione del lavoro

PSI is hiring a senior security engineer to shape the security architecture for its AI agent platform. You will directly influence how agents operate, enforce controls, and protect customer data across multi-tenant services.

You will own threat modeling, build sandboxed execution capabilities, and drive secure identity and data handling. This senior IC role interfaces with engineering leadership to ship secure solutions in a fast-paced environment.

Competenze

• Production systems you personally designed, built, and shipped.
• Strong CS fundamentals: algorithms, concurrency, OS, systems design.
• Hands-on security engineering: authorization, secrets management, process isolation or network security.
• Comfort debugging across backend services and OS layers.
• Clear thinking on AI-specific risks such as prompt injection and untrusted model output.
• Ability to prioritize and own outcomes in a fast-moving environment.

Mansioni

• Own threat model and security roadmap for the agent platform.
• Design and build controls limiting agent actions, including permissions and sandboxed execution.
• Develop secure identity, credential, and data handling across services and tenants.
• Harden packaging, updates, and release processes for security.
• Write security-focused tests, investigate vulnerabilities, and lead incident response engineering.
• Partner with product engineers and support customers through security reviews.

Conoscenze

Software engineering

CS fundamentals

Security engineering

Debugging

AI security

Prioritization

Descrizione del lavoro

PSI is hiring a senior security engineer to shape the security architecture for its AI agent platform. You will directly influence how agents operate, enforce controls, and protect customer data across multi-tenant services.

You will own threat modeling, build sandboxed execution capabilities, and drive secure identity and data handling. This senior IC role interfaces with engineering leadership to ship secure solutions in a fast-paced environment.