CareerPlan

Security Engineer, Offensive Security

San Francisco, CAFull-time2026-10-21 → 2026-10-23

Core

Building Fluidstack's offensive security program from scratch to secure frontier AI compute infrastructure and prevent breaches of model weights.

Role type

Senior IC offensive security engineer (red teaming)

Builds

Offensive security program, red/purple team operations, AI-specific attack tools

Domain

AI infrastructure security, cloud security, data center physical/logical security

Deliverable

production ML models

Required skills

red teaming, offensive security operations, vulnerability chaining, adversary simulation, Python/Go coding, technical writing

Preferred skills

macOS/Linux/cloud/Kubernetes/CI-CD expertise, AI/ML system testing, defensive security, hardware/data center attacks, state-nexus threat modeling

Technologies

AWS, GCP, Azure, Kubernetes, CI/CD pipelines, Python, Go

Responsibilities

Build offensive security methodology and tooling, run red/purple team operations, pen test critical systems (bare metal, firmware, OT), partner on AI attack scenarios, present actionable risk findings

Seniority

Senior, hands-on IC