CareerPlanSign in

Security Engineer

San Francisco💼 Full-time🗓 2026-09-23 → 2026-09-25

Core

Founding security role building a security program from scratch for an early-stage AI/ML infrastructure company serving frontier AI labs and large enterprises.

Role type

Founding Security Engineer (AI/ML Infrastructure)

Builds

Security program, detection/response capabilities, compliance controls, and data protection mechanisms for AI platforms.

Domain

AI/ML Infrastructure, Cloud Security, Compliance

Deliverable

production ML models | infrastructure | dashboards & analysis

Required skills

Security engineering, incident response, threat modeling, API security, SOC 2 compliance, offensive security (red teaming), SIEM/XDR operations, abuse/fraud detection, attack surface management, AI/ML infrastructure security, data protection controls.

Preferred skills

Systems programming, low-level engineering, early-stage startup security experience.

Technologies

SIEM, XDR, Cloud Infrastructure, AI/ML Platforms

Responsibilities

Lead detection and incident response end-to-end; own the security roadmap spanning product, cloud, and compliance; secure APIs and data systems via threat modeling and code reviews; build monitoring and detection capabilities; own SOC 2 compliance and customer trust; partner with legal and engineering to enforce data-license requirements.

Seniority

Senior, hands-on IC (Founding)

Sourced via ashby · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.