Mechanical Engineer, Thermal Systems for AI Data Centers

Madrone is hiring a Mechanical Engineer to take cooling technology from prototypes to field-deployed systems for gigawatt-scale data centers. You will own mechanical design across thermodynamics, fluid systems, heat exchangers, packaging, manufacturing, testing, and commissioning. This role is highly hands-on, spanning first-principles analysis to CAD, supplier conversations, prototype assembly, instrumentation, and field testing, with close collaboration to founders and cross-functional teams.