Job Description Summary

Lead Engineer Thermal and Reliability – Energy Storage and Reliability will lead thermal management, mechanical integration, and reliability engineering for utility-scale Battery Energy Storage Systems (BESS). The role covers new product development, system-level thermal design, cooling system optimization, reliability improvement, and product validation from concept through production and field deployment.
The engineer will work closely with global engineering, electrical, controls, safety, manufacturing, suppliers, and project teams to deliver safe, reliable, cost-effective, and high-performance energy storage solutions. The role also requires expertise in BESS gas management, purge systems, and deflagration protection in accordance with applicable NFPA standards.

Job Description

Key Responsibilities

• Lead thermal design and system integration of utility-scale BESS, including battery racks, DC blocks, and containerized systems.
• Develop thermal models and perform CFD, heat transfer, fluid flow, and HVAC analysis.
• Drive DFMEA, reliability assessments, root cause analysis, and product validation.
• Lead BESS gas management, ventilation, purge systems, and deflagration protection.
• Ensure compliance with NFPA 68, NFPA 69, NFPA 855, and applicable IEC/UL standards.
• Provide technical leadership for NPI, mechanical integration, supplier coordination, and product qualification.

Required Qualifications

• Bachelor's or master's degree in mechanical or Thermal Engineering.
• 5–8+ years of engineering experience, including NPI/product development.
• Strong expertise in thermal management, liquid cooling, HVAC, and fluid dynamics.
• Proficiency in ANSYS CFD and thermal modeling tools (Excel/MATLAB).
• Experience in DFMEA, reliability engineering, root cause analysis, and validation.
• Working knowledge of BESS safety, gas management, purge systems, and deflagration protection.

Desired Qualifications

• Master's degree or PhD in Mechanical, Thermal, or Energy Systems Engineering.
• Hands-on experience in utility-scale BESS and battery DC block development.
• Experience in thermal runaway hazard assessment, gas dispersion, purge validation, and deflagration vent sizing.
• Knowledge of BMS, EMS, safety controls, and IEC/UL certification requirements.

Desired Characteristics

• Strong oral and written communication skills. Demonstrated ability to analyze and resolve problems. Ability to document, plan, market, and execute programs. Established project management skills.

Note: To comply with US immigration and other legal requirements, it is necessary to specify the minimum number of years' experience required for any role based within the USA. For roles outside of the USA, to ensure compliance with applicable legislation, the JDs should focus on the substantive level of experience required for the role and a minimum number of years should NOT be used.

Additional Information