← All roles

Security Engineer, Infrastructure

Fluidstack· Security & Corp IT
Apply on company site
New York, NY, San Francisco, CA, Austin, TX, Seattle, WA$182k - $224kFull-timePosted 3mo ago

About the role

Security Engineer role focusing on securing Fluidstack's cloud and bare-metal infrastructure, building security controls into infrastructure, and enabling a secure, scalable AI compute platform.

Responsibilities

  • Own security across the cloud and bare-metal control planes that provision the infrastructure backing some of the largest AI labs in the world.
  • Forward-deploy with our engineering org to implement security controls: workload identity, PKI, least-privileged access, secrets management.
  • Partner with other security teams to work their desired configurations into infrastructure, and bring ground-truth understanding back to the security org.
  • Make security an invisible default by baking controls into the infrastructure itself: policy-as-code, admission control, IaC modules, secure defaults.
  • Secure the multi-tenant boundary where customer workloads, some of the most targeted in AI, share infrastructure.

Qualifications

  • A track record of working alongside engineers to drive security forward in high-performance orgs: RFCs, code review, and collaboration.
  • Written production-level code and can reason about the maintainability of a system and its downstream impacts (Golang, Python).
  • Familiar with modern infrastructure deployment tools and methodologies (GitOps, IaC, Kubernetes, CI) and have actively contributed to and deployed using them.
  • Owned the end-to-end implementation of real security controls in production environments.
  • Experience in at least one of the following areas: Public cloud security (AWS, GCP); Cloud-native security (Kubernetes, containerization, CNCF); Secrets management (Vault or similar); Public key infrastructure (step-ca); Machine and workload identity (OIDC, SPIFFE/SPIRE); Just-in-time access to production systems; Software supply chain security (SLSA, CI/CD hardening, signing and attestation).

Skills

Required:Security leadership in high-performance orgsProduction-grade software developmentInfrastructure as Code / GitOps

Benefits

  • Competitive total compensation package (salary + equity).
  • Retirement or pension plan, in line with local norms.
  • Health, dental, and vision insurance.
  • Generous PTO policy, in line with local norms.
Last updated Oct 13, 2026. Interested? Apply on the company site.
Fluidstack logo

About Fluidstack

Fluidstack builds civilization-scale infrastructure for AI

Fluidstack builds civilization-scale infrastructure for AI, delivering gigawatts of compute in 6 months. We're leading the deployment of Anthropic's $50B compute build out.

AI infrastructurecompute centershardwaresoftwarepowerdata centersAnthropicfrontier compute
Company profileWebsite

More open roles at Fluidstack