Principal Engineer

Principal Engineer – CDU Company: Mitsubishi Heavy Industries America, Inc. Location: Carrollton, TX, US, 75006 (Hybrid) About Mitsubishi Heavy Industries America, Inc. (MHIA) For over 130 years, Mitsubishi Heavy Industries Group has delivered innovative and integrated solutions across aviation, energy, transportation, infrastructure, machinery, defense, and space systems. MHIA fosters a culture of diversity and cooperation, promoting a healthy balance of professional and personal development. Role Overview The Principal Mechanical Engineer leads mechanical design and engineering authority for MHIA’s data center liquid cooling systems, initially focused on Coolant Distribution Units (CDUs). The role bridges customer requirements, supplier capabilities, and internal product objectives, ensuring CDU systems are technically sound, scalable, reliable, and commercially viable from concept through mass production and lifecycle support. Job Responsibilities Serve as the technical authority for CDU mechanical system design, including pumps, heat exchangers, piping, valves, sensors, and skid/enclosure integration. Review and evaluate CDU mechanical designs, drawings, specifications, and calculations, providing clear technical feedback and approval direction. Lead product design activities across concept design, PoC, pilot builds, and mass‑production design, ensuring design‑for‑manufacturing and design‑for‑service principles. Technically assess and judge CDU design performance in terms of: Redundancy and reliability concepts Safety and compliance Control and load‑following performance under dynamic AI workloads Operability, maintainability, and durability Compliance with internal and customer design requirements Act as a key technical interface with customers, leading and supporting technical discussions on CDU architecture, performance, and integration. Translate customer technical requirements into clear, actionable design inputs and specifications. Provide technically sound and flexible solution proposals aligned with customer operational and business needs. Capture Voice of Customer (VOC) and ensure systematic feedback into product design and roadmap decisions. Coordinate technical alignment between customers and suppliers, serving as the engineering bridge to resolve gaps and clarify responsibilities. Engage directly with hyperscalers and large data center customers, supporting technical reviews, RFIs/RFPs, and design clarification processes. Evaluate supplier engineering capabilities, including design maturity, quality control, compliance readiness, and mass‑production capability. Collaborate with supply chain teams to assess inventory strategy, lead times, and production capacity aligned with sales and order forecasts. Support production planning by aligning engineering requirements with manufacturing processes and schedules. Lead or support technical issue resolution, root cause analysis, and corrective action follow‑up with suppliers. Drive cost‑down and value engineering initiatives without compromising performance, reliability, or safety. Support logistics and transportation considerations impacting CDU mechanical design and packaging. Contribute to the definition of CDU service offerings, including scope, service content, and boundary conditions. Review and evaluate Installation, Operation, and Maintenance (IOM) manuals; coordinate technical alignment and revisions with suppliers. Support the development of service revenue models and evaluate service‑related profitability and cost structures. Gather customer service‑related needs and coordinate with suppliers and service partners to ensure readiness. Support the creation and proposal of Service Level Agreements (SLA) aligned with customer expectations and product capability. Additional duties as assigned. Minimum Required Qualifications Education: Bachelor’s degree in mechanical engineering or equivalent experience. Experience: Minimum of twelve (12) years, including at least seven (7) years in mechanical system design and supplier‑facing leadership for industrial or packaged equipment such as pumps, heat exchangers, HVAC systems, skid‑mounted units, or thermal management systems. Ability to read, review, and interpret technical specifications and drawings, including P&IDs and mechanical schematics. Proven experience across design, manufacturing, quality, supply chain, and service organizations. Strong negotiation and coordination skills to support pre‑award alignment on scope, schedule, responsibilities, and commercial assumptions. Solid project management capabilities, including action, risk, and issue tracking, escalation management, and stakeholder alignment. Domain knowledge of data center cooling systems, including centrifugal chiller and MCP/Dry Cooler configurations. Ability to front‑end and triage customer and supplier specifications, clearly defining scope and interface boundaries for downstream execution. Effective collaboration and communication with Japanese stakeholders and team members in a global, cross‑cultural environment. Preferred Qualifications Knowledge of CDU, liquid cooling systems, or data center thermal management solutions. Experience supporting hyperscalers or large‑scale data center customers. Experience contributing to service design or lifecycle cost optimization. Familiarity with U.S. standards and certifications such as UL/CSA, ASME, NFPA, NEC. Experience with factory and site activities, including FAT/SAT, commissioning, and field troubleshooting support. Supplier audit or development experience, including SQA/SDE activities. Familiarity with U.S.‑based tendering, RFQ, and proposal workflows during bid phases. Working Conditions Travel: 25% Standard Monday through Friday work week; weekend/late‑night work as applicable. Lifting/physical requirements: Regularly sit for long periods, stand, walk, talk, and/or hear; frequently lift up to 10 pounds and occasionally up to 25 pounds. Benefits Medical, Dental, Vision & 401K Matching Paid vacation, sick time, and 15 holidays Growth and advancement opportunities Committed to quality products and services Positive working environment and culture MHIA is an Equal Employment Opportunity (EEO) employer actively seeking to diversify the workforce and is committed to a policy of equal employment opportunity. All qualified applicants are strongly encouraged to apply. #J-18808-Ljbffr