Staff Infrastructure Security EngineerPosted today$215K–$260K

The opportunity

Crusoe is on a mission to accelerate the abundance of energy and intelligence . As the only vertically integrated AI infrastructure company built from the ground up, we own and operate each layer of the stack — from electrons to tokens — to power the world's most ambitious AI workloads.

What you'll do

  • Drive comprehensive Infrastructure Security Posture Management (ISPM) and: cloud-native visibility, leveraging tools like Wiz to identify risks, drift, and misconfigurations across cloud and on-prem infrastructure.

  • Championing Infrastructure-as-Code (IaC) standards (e.g., Terraform) to: enforce secure defaults, immutability, and drift detection

  • Driving Infrastructure Security Access and Posture Management for both cloud: and on-prem infrastructure to ensure comprehensive visibility and governance

  • Building automated security guardrails embedded directly into CI/CD and deployment pipelines

  • Operate security-as-a-service platforms (e.g., secrets management,: certificate lifecycles) designed to reinforce our security posture and simplify developer access workflows.

  • Designing and operating certificate lifecycles (X.509, SSH) to support secure machine-to-machine trust

What they're looking for

  • Contribute to identity-centric access control systems, specifically focusing: on short-lived, Just-In-Time (JIT) access models, Zero Trust, and automated authorization policies to eliminate standing privileges.
  • Securing core network foundations, including global DNS architecture, service: discovery, and network authentication systems
  • Designing and maintaining authentication controls for network infrastructure: to ensure secure, monitored access
  • Partnering closely with infrastructure, platform, and SRE teams to identify: and remediate security gaps in foundational systems