Security Engineer, Cloud

Fluidstack

$120K — $150K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of hands-on experience securing cloud or bare-metal infrastructure.
  • Track record of shipping security tools that are adopted by engineers.
  • Ability to identify and resolve isolation or privilege-escalation vulnerabilities.
  • Proficient in writing production-quality code and managing policies as software.
  • Experience leading incident response for infrastructure that you helped develop.
  • Familiarity with Kubernetes, container security, hardware root of trust, and eBPF-based detection is a plus.

Responsibilities

  • Own and enhance security for cloud and bare-metal control planes essential for customer training runs.
  • Develop guardrails as code to ensure secure and efficient engineering workflows.
  • Engineer detection and response mechanisms across cloud infrastructure for various threat vectors.
  • Ensure the security of multi-tenant environments where critical AI workloads are hosted.
  • Establish and maintain a comprehensive security program from inception to execution.

Benefits

  • Commitment to pay equity and transparency.
  • Opportunity to define and own the security strategy from the ground up.
  • Work in a pioneering role, securing technology with significant impact on AI development.
  • Collaborate with a team working on cutting-edge technology challenges.
  • Flexibility to adapt the job scope based on exceptional candidate skills and experience.
Full Job Description
The Security Team

Examples of key problems the team is working on
  • You're securing the frontier of AI. The model weights training on our infrastructure are the most valuable and most targeted artifacts in technology, and we're standing up the compute to hold them faster than anyone ever has. A breach isn't a leak, it's the frontier walking out the door.
  • Build the entire security program from scratch. Most leaders inherit someone else's system and spend a career patching it. Here you own it end to end, bare metal to boardroom, as we scale across continents.
  • Your threat surface is measured in gigawatts. The customers running on our infrastructure are building the most consequential technology in human history, and being responsible for the physical and logical security of that work makes everything else feel small.
Role Scope
  • Own security for the cloud and bare-metal control planes customers' training runs depend on: hardening, identity, and workload isolation.
  • Build guardrails as code: policies, scanning, and paved roads that make the secure path the fast path for engineers.
  • Engineer detection and response across cloud infrastructure, from API abuse to compromised credentials to tenant escape.
  • Secure the multi-tenant boundary where customer workloads, some of the most targeted in AI, share infrastructure.
What We're Looking For
  • The below is a starting point. We always make space for exceptional people, so if you don't fit this role exactly, tell us where you would.
  • You've secured production cloud or bare-metal infrastructure hands-on, not just audited it.
  • You've shipped security tooling engineers actually adopted.
  • You've found and fixed real isolation or privilege-escalation issues.
  • You write production-quality code and treat policies as software.
  • You've run incident response on infrastructure you helped build.
  • Bonus: Kubernetes and container security. Hardware root of trust and measured boot. eBPF-based detection. GPU and HPC environments.


We are committed to pay equity and transparency.

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