Senior Infrastructure Security Engineer
Crusoe is an AI infrastructure and cloud computing company. It provides GPU cloud capacity, managed AI services, inference, fine-tuning, data centers, and energy infrastructure for AI developers and enterprise customers.
Maintainer signals as of 8/23/2026
Funding history
Projects
About Crusoe, Inc
Crusoe designs, builds, and operates energy-first AI infrastructure, including data centers, GPU cloud computing, and modular AI factories. Crusoe Cloud provides GPU clusters, managed Kubernetes and Slurm, storage, networking, observability, managed inference, serverless fine-tuning, and model deployment through Crusoe Intelligence Foundry. Its customers include AI startups, enterprises, and organizations developing training, inference, analytics, and other compute-intensive workloads.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will establish a high-assurance security posture across cloud and on-premises infrastructure. You will manage infrastructure security posture and visibility, enforce Infrastructure-as-Code standards, build CI/CD security guardrails, operate secrets and certificate services, implement short-lived access controls, secure network foundations, and remediate security gaps with infrastructure and SRE partners.
Requirements
- 5–8 years of experience in infrastructure engineering, SRE, or security engineering
- Understanding of security principles across Linux, container runtimes, and cloud control planes
- Experience using Terraform to manage complex infrastructure at scale
- Knowledge of cryptography, secrets management, PKI, and modern authentication standards
- Experience securing AWS, GCP, and/or bare-metal environments
- Strong networking fundamentals
- Hands-on Kubernetes and container security experience
- Fluency in Go or Python
Responsibilities
- Drive Infrastructure Security Posture Management and cloud-native visibility
- Enforce Infrastructure-as-Code standards using Terraform
- Manage infrastructure security access and posture across cloud and on-premises infrastructure
- Build automated security guardrails into CI/CD and deployment pipelines
- Operate secrets management and certificate lifecycle platforms
- Design and operate X.509 and SSH certificate lifecycles
- Implement short-lived and Just-In-Time access models
- Secure global DNS, service discovery, and network authentication systems
- Design and maintain authentication controls for network infrastructure
- Identify and remediate security gaps in foundational systems
Benefits
- Pension contributions
- Private health and dental insurance
- Income protection
- Life assurance