Sr. Staff Thermal Design and Modeling Engineer Jobs

Enphase Energy

Location:
United States, Austin

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

110000.00 - 167000.00 USD / Year

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Job Description:

The Enphase Energy Storage and Systems Innovation team in the office of the CTO is responsible for defining, prototyping, and supporting the next generations of Enphase storage and systems products. The team is an integrated, multi-disciplinary group that is fast-moving and looking for motivated individuals that can contribute and collaborate closely with the team to deliver innovative solutions. As a member of the team, you will solve some of the most exciting problems in the energy space and help shape the direction of our products.

Job Responsibility:

Design, integrate, and validate thermal management solutions for Enphase energy storage and systems products
Build, update, and analyze computational models including heat transfer, combustion, and air flow to simulate thermal performance in energy storage and systems products
Specify key functional and performance requirements
design and execute verification test plans
Design high quality mechanical and electromechanical part and assembly designs efficiently and with good modeling practices
Produce 2D drawings and 3D CAD models, evaluate parts, and collaborate with a multi-disciplinary design team, suppliers, and contract manufacturing partners to develop product prototypes
Research, analyze, implement, and test advanced thermal management technologies to support innovative energy storage and system product designs
Complete documentation for design, testing, and analysis
Hands-on fabrication of electromechanical assemblies and prototypes
Work with a multi-disciplinary team to test and troubleshoot prototype designs
Mentor junior staff

Requirements:

BS/MS/PhD Mechanical Engineering or closely related discipline
Minimum experience: BS and 5+ years / MS and 3+ years / PhD with thermal design experience for a Senior Engineer
BS and 8+ years / MS and 6+ years / PhD and 3+ years thermal design experience for a Staff Engineer
BS and 12+ years / MS and 8+ years / PhD and 5+ years thermal design experience for a Sr. Staff Engineer
Significant experience designing active and passive thermal management solutions within a product and with key thermal components such as heat sinks, air flow systems, coolant systems, multi-phase cooling, phase change materials, and thermal interface materials
Excellent understanding of conduction, convection, and radiation
Experience with analytical approaches and simulation tools for thermal modeling (e.g., Solidworks Flow Sim, Fluent, Icepak, COMSOL, etc.)
High proficiency with an enterprise CAD package (Solidworks preferred)
Experience designing test plans, building experimental setups, collecting data, and analyzing results for thermal performance
Familiarity with design for manufacturability and reliability
Good communication and documentation skills
Ability to work effectively on early-stage product development efforts with ambiguous requirements
Strong hands-on thermal mechanical prototyping skills
Ability to take ownership of development tasks and drive them to completion in a timely manner and with high quality to support team success

Nice to have:

Proficiency with multi-physics modeling
Experience modeling thermal propagation in battery products
Experience with designing thermal management solutions for electronics and battery systems
Proficiency with fire protection and containment systems
Familiarity with common standards for electrical equipment and energy storage systems

What we offer:

bonus
equity
benefits

Additional Information:

Job Posted:
December 08, 2025

Employment Type:

Fulltime

Work Type:

On-site work

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Sr. Staff Thermal Design and Modeling Engineer