Enphase Energy · 5 hours ago
Sr. Staff Thermal Design and Modeling Engineer
Austin, TX
Full-time
Onsite
Senior Level, Lead/Staff
$110K/yr - $167K/yr
8+ years expEnphase Energy is a global energy technology company and a leading provider of solar, battery, and electric vehicle charging products. The role involves designing, integrating, and validating thermal management solutions for energy storage and systems products, along with building computational models and collaborating with a multi-disciplinary team to drive innovative solutions.
EnergyRenewable EnergySemiconductorSolar
Responsibilities
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
Qualification
Required
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
Preferred
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
Benefits
Bonus
Equity
Benefits
Company
Enphase Energy
Enphase Energy offers a micro-inverter system that delivers solar energy to homes and businesses.
1001-5000 employees
H1B Sponsorship
Enphase Energy has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (20)
2024 (16)
2023 (29)
2022 (21)
2021 (11)
2020 (2)
Funding
Current Stage
Public CompanyTotal Funding
$116.09MKey Investors
Callaghan InnovationKleiner PerkinsBay Partners
2024-08-09Grant· $0.04M
2021-09-08Grant· $0.03M
2020-10-16Grant· $0.02M
Leadership Team
Badri Kothandaraman
President and CEO
Ciaran Fox
VP of Quality and Reliability
Recent News
2025-12-16
2025-12-04
Enphase Energy, Inc.
2025-12-03
Company data provided by crunchbase