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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. When you join Crusoe, you join a team that is building the future, faster. We're in the midst of the greatest industrial revolution of our time. The demand for AI compute is boundless, and power is a bottleneck. We're solving that — with an energy-first approach that makes AI infrastructure better for the world and faster for the people innovating with AI. We're looking for problem-solving, opportunity-finding teammates with a sense of urgency, who believe in the scale of our ambition and thrive on a path not fully paved — people who want to grow their careers alongside a team of experts across energy, manufacturing, data center construction, and cloud services. If you want to do the most meaningful work of your career, help our customers and partners advance their AI strategies, and be part of a high-performing team that believes in each other, come build with us at Crusoe. About This Role Crusoe’s mission is to accelerate the abundance of energy and intelligence. We’re seeking a Staff Infrastructure Security Engineer to secure the foundations of Crusoe Cloud, our purpose-built compute platform for AI and high-performance workloads. This role focuses on designing and embedding security controls directly into our global infrastructure, enabling customers to train advanced models within a trusted, secure-by-default environment. You’ll operate at the intersection of infrastructure, security, and reliability; architecting identity, network, and cloud security systems that scale with a high-growth cloud provider. What You’ll Be Working On Architecting security controls across compute, networking, and storage layers of a global cloud platform Championing Infrastructure-as-Code (IaC) stand