Senior Software Engineer, IAM

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 the Role: We are seeking seasoned Senior Software Engineers to design, build, and scale Crusoe Cloud’s next-generation identity and access control platforms. The Identity & Access Management (IAM) team provides the foundational security bedrock that both internal teams and external customers rely on to secure their platforms. Our mission is to provide a secure, intuitive, and comprehensive system for managing identity lifecycles, fine-grained authorization, user-facing and service-to-service authentication. Your work will focus on delivering highly scalable and reliable services that will be on the hot-path for every request in our cloud. What You'll Be Working On: - Design and Deliver Customer Solutions: Build scalable, reliable cloud services, such as user access management, Gateways, user features, and notification systems, tailored to customer needs. - Focus on Customer Empowerment: Partner with customer success and operations teams to create intuitive tools that enhance the end-user experience. - Automate and Optimize: Develop automation software that simplifies infrastructure deployment and management for seamless customer operations. - Innovate: Implement features that differentiate Crusoe Cloud, focusing on operational efficiency, low-touch adoption, turn-key AI services and scalability. - Collaborate Across Teams: Work closely with cloud support, engineering, and site reliability teams to align technical solutions with customer feedback and operational goals. - Mentor and Lead: Guide engineers through design discussions, code reviews, and best practices, fostering a culture of technical excellence and customer-centricity. What You'll Bring to the Team: - Professional Experience: 5+ years of software development experience, including programming with modern compiled languages such as Go, Rust, Java, C# or C++. - Cloud Expertise: Proven ability to design and scale fault-tolerant distributed systems and develop managed cloud services. - Technical Proficiency: Strong fundamentals in data structures, algorithms, microservices, and infrastructure tools like Docker, Kubernetes, Terraform, and CI/CD systems. - Security-First Mindset: Strong knowledge or background in security such as encryption, authentication, authorization, credential management, RBAC, service meshes, TLS, mTLS or zero-trust architectures. - Collaboration Skills: Ability to work with cross-functional teams to align priorities and deliver customer-first solutions. - Mentorship Abilities: Experience guiding engineers, improving hiring and onboarding processes, and driving team growth. - Communication Skills: Exceptional ability to articulate complex ideas and align technical solutions with customer needs. Benefits: - Competitive compensation and equity packages - Restricted Stock Units - Paid time off