CareerPlan

Senior Product Security Engineer

San Francisco Office (Second St)Full-time2026-11-04 → 2026-11-10
Hybrid

Core

Senior Product Security Engineer responsible for threat modeling, securing multi-tenant infrastructure, and enabling enterprise security reviews for AI cloud infrastructure.

Role type

Senior IC product security engineer (infrastructure & application)

Builds

Secure AI cloud infrastructure, network clusters, and software products for enterprises and AI labs

Domain

Cloud infrastructure, AI/ML security, multi-tenant environments

Required skills

Infrastructure security, application security, threat modeling, Linux (bare metal & cloud), code review, infrastructure as code, vulnerability management, security tooling development, risk translation

Preferred skills

Deep code analysis (fuzzing, reverse engineering), multi-tenant isolation (Kubernetes, virtualization), policy-as-code, compliance audits (SOC 2, ISO 27001), AI/ML infrastructure security, large-scale SRE operations

Technologies

Python, Go, Terraform, Ansible, Kubernetes, Linux, LLMs

Responsibilities

Review designs and threat model systems, secure multi-tenant infrastructure, find and fix vulnerabilities in code, run vulnerability management programs, develop security patterns and requirements, enable enterprise deals, build security tooling, partner across engineering, coach engineers

Seniority

Senior, hands-on IC