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FluidStack

Security Engineer, Corp IT

Austin, TX$218k–$252kfulltimemidAdded today

About this role

Fluidstack seeks a Security Engineer to build and secure the corporate IT environment for a rapidly scaling AI infrastructure company. You'll design zero-trust access controls, detection systems, and automate security policy across identity, endpoints, SaaS, and email as the workforce grows 10x.

What you'll do

  • Secure corporate environment end-to-end including identity, endpoints, SaaS platforms, and email systems
  • Design and implement zero-trust access architecture with SSO, device trust, and least-privilege provisioning
  • Build detection and response capabilities for corporate attack surface including phishing, token theft, and insider risk
  • Develop security automation and controls as code rather than manual processes and tickets
  • Respond to live security incidents and make containment decisions under pressure
  • Scale security infrastructure to support 10x workforce growth

What they're looking for

  • Corporate security stack configuration (IdP, MDM, email, SaaS)
  • Identity and access management (Okta or equivalent)
  • SIEM and SOAR engineering
  • Detection engineering and alert tuning
  • macOS and Windows fleet security
  • Security automation and infrastructure-as-code
  • Incident response and containment
  • Insider risk program design
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FluidStack

FluidStack builds AI infrastructure at scale, developing data centers and warehouse operations designed to handle gigawatt-capacity compute deployment. The company is hiring for warehouse engineers, data center operations specialists, product engineers, and people leaders to support rapid infrastructure expansion across multiple sites.

Website
fluidstack.io
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Likely interview questions

  • Tell us about a time you built detections that caught a real attack—how did you avoid false positives at scale?
  • Describe your experience implementing zero-trust architecture in a fast-growing company. What were the biggest challenges?
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