Job Description
Role : Design Engineer – CDU (Coolant Distribution Unit)
nLocation: Hyderabad / Bangalore
nExperience: 2–8 Years
nCompany: Stealth AI Infrastructure Startup
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nAbout the Role
nWe are building next-generation liquid cooling infrastructure for AI Data Centers , enabling high-density GPU, HPC, and accelerated computing environments.
nWe are looking for a Design Engineer – CDU to own the mechanical design and product development of Coolant Distribution Units (CDUs) and associated liquid-cooling systems.
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nThis role will work across concept development, CAD design, thermal and hydraulic engineering, component selection, prototyping, testing, DFM/DFA, and manufacturing to take CDU products from engineering concept to production.
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nKey Responsibilities
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- Design and develop Coolant Distribution Units (CDUs) for high-density AI/HPC data centers.n
- Develop mechanical architecture for CDU systems including pumps, heat exchangers, valves, manifolds, filters, expansion tanks, sensors, piping, fittings, and control components .n




- Create detailed 3D CAD models, assemblies, drawings, BOMs, and manufacturing documentation .n
- Develop and maintain P&IDs;, system schematics, flow diagrams, and mechanical layouts .n
- Perform thermal and hydraulic calculations for flow rate, pressure drop, heat load, heat exchanger sizing, pump selection, and system performance.n
- Select and evaluate pumps, heat exchangers, valves, sensors, actuators, quick disconnects, hoses, pipes, and other fluid-system components.n
- Design manifolds, piping systems, brackets, enclosures, frames, and sheet-metal/fabricated components .n
- Work with CFD/thermal engineering teams to optimize CDU flow distribution, pressure drop, heat transfer, and thermal performance.n
- Design products considering Design for Manufacturing (DFM), Design for Assembly (DFA), serviceability, reliability, and cost .n
- Develop prototypes and coordinate with vendors and manufacturing tea

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