Enphase Energy · 7 hours ago
Sr. Power Electronics Engineer - EPiCS
Petaluma, California
Full-time
Onsite
Mid, Senior Level
$105K/yr - $162K/yrEnphase Energy is a global energy technology company and a leading provider of solar, battery, and electric vehicle charging products. The Senior Power Electronics Engineer will develop and enhance Python/NumPy-based simulation frameworks for power converter and magnetics modeling, collaborating with hardware design teams to accelerate the development of next-generation power conversion systems.
EnergyRenewable EnergySemiconductorSolar
Responsibilities
Develop and enhance Python/NumPy-based simulation frameworks for power converter and magnetics modeling
Implement advanced algorithms for core loss prediction (iGSE, ML-based models) and winding loss estimation using matrix and Fourier techniques
Integrate FEM workflows for magnetic component analysis and automate impedance matrix generation
Build parametric models of cores and windings to enable geometry-driven optimization and shape refinement
Couple simulation tools with optimization algorithms to identify high-efficiency designs under real-world constraints
Validate models against experimental data and continuously improve predictive accuracy
Collaborate with hardware design teams to accelerate development of next-generation power conversion systems
Contribute to software architecture decisions, code quality standards, and documentation for internal modeling frameworks
Qualification
Required
Strong proficiency in Python, with experience in scientific computing and optimization using libraries such as NumPy and SciPy
Solid understanding of software development best practices, including Git version control, branching strategies, unit testing, API design, and documentation
Ability to write clean, maintainable, and well-structured code for modeling and simulation workflows
Experience coupling simulation frameworks with optimization algorithms for parametric and geometry-driven design
Deep knowledge of power electronics fundamentals, with hands-on experience in lab measurements and validation
Familiarity with magnetic component design, ferrite material properties, and core loss modeling techniques (e.g., iGSE and ML-based approaches)
Experience with FEM tools for electromagnetic analysis and integration into design workflows
Understanding of resonant converter topologies and their unique modeling challenges; direct experience is a strong plus
Comfortable working in a fast-paced R&D environment with evolving priorities and high technical complexity
Bachelor's or Master's degree in Electrical Engineering, Computer Engineering, or a related field; PhD or equivalent experience in power electronics or magnetics modeling is a plus
Benefits
Bonus
Equity
Benefits
Company
Enphase Energy
Enphase Energy offers a micro-inverter system that delivers solar energy to homes and businesses.
Founded in 2006
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
2026-01-16
2026-01-16
2026-01-13
Company data provided by crunchbase