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Security Engineer, Incident Response

Fluidstack· Security & Corp IT
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Austin, TX, New York, NY, San Francisco, CA, U.S. Remote, Seattle, WA$275k - $344k + equityFull-timePosted 3mo ago

About the role

Lead incident response and build the security program from the ground up for Fluidstack's frontier compute infrastructure, spanning corporate, cloud, and data center environments.

Responsibilities

  • Lead incident response end to end across corporate, cloud, and data center environments, from detection and containment through eradication and post-incident review.
  • Build the detection logic, response playbooks, and forensic tooling for an environment where the assets under threat are the most targeted model weights in technology.
  • Run investigations across a threat surface measured in gigawatts, correlating signals from cloud, endpoint, network, and physical systems into a single picture of an attack.
  • Stand up the incident response function from the ground up, defining severity models, on-call rotations, and the escalation path to leadership.
  • Turn each incident into a permanent improvement by partnering with the security and IT teams to close the gaps your investigations surface.

Qualifications

  • You've personally led major security incidents from first alert to resolution, making containment calls under pressure with the business watching.
  • You've built detection logic and response playbooks that caught real intrusions, not just theoretical ones.
  • You've run digital forensics across cloud, endpoint, and network evidence and reconstructed what an attacker actually did.
  • You've stood up or substantially rebuilt an incident response program rather than only operating inside someone else's.
  • You've hunted for threats proactively and found activity that existing tooling missed.
  • You write incident reports and postmortems clear enough that both engineers and executives act on them.

Skills

Required:Incident response leadershipDetection logic developmentForensics (cloud, endpoint, network)Incident response program building
Nice to have:Threat hunting

Benefits

  • Equity included in compensation.
  • Benefits package (as part of total compensation).
Last updated Oct 13, 2026. Interested? Apply on the company site.
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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
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