Lead Mechanical Product Engineer - Data Center Cooling

Gigaenergy; United States; Hybrid; USD 150,000 - 190,000; Full time

Benefits offered by this job

Health insurance

Equity (options)

401(k) with employer match

Unlimited PTO

Parental leave

FSA/HSA

Job summary

Giga Energy is seeking a Lead Mechanical Product Engineer to own the mechanical design and performance of our product offerings. You will serve as the US lead, bridging the engineering team in China with our Product Team to guide requirements, design, manufacturing, testing, and field improvements.

This role combines hands-on engineering, product ownership, and customer-facing support. You will work on refrigeration, liquid cooling, airflow, and mechanical integration of data center equipment,

Qualifications

• Bachelor’s degree in Mechanical Engineering or closely related field.
• 5–7 years designing or engineering HVAC, refrigeration, liquid cooling, or thermal equipment.
• Ownership of a mechanical product through design release, production, and issue resolution.
• Strong knowledge of heat transfer, refrigeration, hydronics, pumps, piping, airflow, and component selection.
• Experience producing engineering calculations, schematics, drawings, and technical specifications.
• Ability to explain technical tradeoffs clearly to customers and work across engineering, sales, manufacturing, and supplier teams.

Responsibilities

• Own mechanical requirements, design decisions, specifications, drawings, BOMs, and engineering changes for all Mechanical equipment and components.
• Develop and validate cooling capacity, heat transfer, airflow, fluid flow, pressure drop, piping, and equipment selection calculations.
• Lead mechanical integration of chillers, CDU, fan wall units, piping, and pod infrastructure; coordinate interfaces with electrical, controls, monitoring, and fire protection teams.
• Review designs for performance, reliability, serviceability, manufacturability, and applicable code and certification requirements.
• Work with suppliers and manufacturing partners on component selection, technical issues, design reviews, and production readiness.
• Define and review product testing, factory acceptance criteria, and corrective actions; use field and customer feedback to improve the products.
• Meet with prospective customers to understand cooling loads, site conditions, operating requirements, and integration constraints.
• Recommend product configurations and help prepare technical proposals, specifications, submittals, responses to customer questions, and engineering input for bids.

Skills

Mechanical design

HVAC design

Refrigeration

Liquid cooling

Thermal systems

Engineering calculations

Cross-functional teamwork

Product ownership

Education

Bachelor's degree in Mechanical Engineering

Job description

Giga Energy is seeking a Lead Mechanical Product Engineer to own the mechanical design and performance of our product offerings. You will serve as the US lead, bridging the engineering team in China with our Product Team to guide requirements, design, manufacturing, testing, and field improvements.

This role combines hands-on engineering, product ownership, and customer-facing support. You will work on refrigeration, liquid cooling, airflow, and mechanical integration of data center equipment,