Lead Mechanical Product Engineer — Data Center Cooling

Openkrill; United States; Remote; USD 120,000 - 180,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

Equity (options) in a startup

401(k) with employer match

Unlimited PTO

Parental leave

FSA/HSA

Commuter benefits

On-site collaboration

Job summary

Giga Energy seeks a Lead Mechanical Product Engineer in the United States to own mechanical design and performance of our products. This US-based lead will bridge the Engineer team and our Product Team in China, guiding products from requirements and design through manufacturing, testing, and field improvement, and will provide technical support to customers.

The role combines hands-on engineering, product ownership, and customer-facing applications support, with responsibilities spanning

Qualifications

• Bachelor’s degree in Mechanical Engineering or related field.
• 5–7 years of experience designing HVAC, refrigeration, liquid cooling, or other thermal equipment.
• Demonstrated 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 and reviewing 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, bills of materials, 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, cooling distribution units, 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

HVAC design

Refrigeration

Liquid cooling

Thermal equipment

Heat transfer

Piping

Airflow

Engineering calculations

Cross-functional collaboration

Education

Bachelor's degree in Mechanical Engineering

Job description

Giga Energy seeks a Lead Mechanical Product Engineer in the United States to own mechanical design and performance of our products. This US-based lead will bridge the Engineer team and our Product Team in China, guiding products from requirements and design through manufacturing, testing, and field improvement, and will provide technical support to customers.

The role combines hands-on engineering, product ownership, and customer-facing applications support, with responsibilities spanning