About the job
At Crusoe, we are committed to accelerating the abundance of energy and intelligence. Our mission is to develop the technology that empowers individuals to innovate boldly with AI, all while ensuring scalability, speed, and sustainability.
Join the AI revolution with sustainable technology at Crusoe. In this role, you will spearhead significant innovations, have a direct impact, and collaborate with a team that is leading the charge in responsible and transformative cloud infrastructure.
About the Position
We are in search of a Senior Infrastructure Security Engineer to fortify the core of Crusoe Cloud, our specialized computing platform designed for AI and high-performance tasks. This role is dedicated to designing and integrating robust security measures into our global infrastructure, allowing clients to develop advanced models in a secure and trusted environment.
You will work at the convergence of infrastructure, security, and reliability, crafting identity, network, and cloud security systems that can grow alongside a rapidly expanding cloud service provider.
Key Responsibilities
Design and implement security controls across the compute, networking, and storage layers of a global cloud platform.
Promote Infrastructure-as-Code (IaC) standards (e.g., Terraform) to establish secure defaults, enforce immutability, and implement drift detection.
Develop automated security guardrails integrated within CI/CD and deployment pipelines.
Collaborate on a centralized Vault-as-a-Platform service for managing secrets, encryption keys, and internal PKI.
Oversee certificate lifecycles (X.509, SSH) to facilitate secure machine-to-machine trust.
Advocate for the adoption of short-lived, Just-In-Time (JIT) access models to minimize standing privileges and enhance auditability.
Secure foundational network components, including global DNS architecture, service discovery, and network authentication systems.
Design and uphold authentication controls for network infrastructure to ensure secure and monitored access.
Collaborate closely with infrastructure, platform, and SRE teams to pinpoint and address security vulnerabilities in foundational systems.
What You Bring
8+ years of hands-on experience in infrastructure engineering, with a strong focus on security.
Proficiency in cloud security principles and practices.
Strong understanding of compliance frameworks and regulations.

