Senior Commissioning Engineer, Mechanical

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 As a Senior Commissioning Engineer, you will lead commissioning execution for assigned systems and scopes within Crusoe's data center projects. You will independently oversee test procedures, support documentation review, and serve as a go-to resource for field-level troubleshooting and issue resolution. This role bridges hands-on execution with emerging project leadership, and is designed for an engineer ready to take on broader responsibility and move toward full project ownership. (#INDDIG) WHAT YOU'LL BE WORKING ON - Lead the execution of commissioning test procedures across assigned systems including pre-functional checklists, functional performance tests, and integrated systems tests. - Review and provide input on commissioning test scripts, MOPs, punch lists, and turnover documentation. - Serve as a field-level technical resource for troubleshooting and resolving commissioning deficiencies across mechanical or controls disciplines. - Coordinate with trade contractors and subcontractors to schedule, sequence, and support commissioning activities on-site. - Verify installation conditions against approved drawings, submittals, and specifications to confirm readiness for testing. - Track and drive closure of open deficiencies, ensuring accurate documentation and timely resolution. - Support integrated systems testing and reliability demonstrations for critical MEP, and BMS/EPMS infrastructure. - Participate in factory witness testing and startup validation activities as assigned. - Maintain complete and accurate commissioning records, field reports, and turnover packages. - Mentor and provide technical guidance to Junior CxE team members in the field. - Ensure adherence to Crusoe commission requirements and collect feedback from the field to improve the commissioning program. - Communicate progress, risks, and technical issues clearly to the management team. - Adhere to and help enforce site safety protocols and compliance requirements throughout all commissioning phases. WHAT YOU'LL BRING - 4+ years of experience in data center commissioning, building systems, or critical infrastructure construction. - Bachelor's degree in Mechanical Engineering or a related field; equivalent field experience considered (CxA certification a plus). - Solid understanding of data center systems including cooling infrastructure, and BMS systems. - Working knowledge of commissioning levels L1 through L5 and associated documentation and testing requirements. - Ability to independently execute and troubleshoot functional and integrated system tests. - Proficient in reading and interpreting construction drawings, single-line diagrams, submittals, and equipment specifications. - Strong documentation habits with the ability to manage multiple open items accurately in a fast-paced f