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Sr. Staff Thermal Design and Modeling Engineer

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Enphase Energy

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Location:
United States , Austin

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Category:
IT - Software Development

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Contract Type:
Not provided

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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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