Power Electronics Hardware Engineer

NextPower

Valencia, ESonsitePosted Jul 16, 2026
Posting intelligenceActively listedReposted 2×, possible evergreen/ghost posting

About the role

Job Description:

JOB MISSION: Design, develop and optimize power electronics hardware for high-performance energy conversion systems, ensuring compliance with technical, safety, thermal, EMC, reliability, and cost requirements throughout the entire product development lifecycle.

JOB RESPONSIBILITIES :

Design and develop power electronics hardware for energy conversion systems.

Define hardware architecture, schematics, and component selection based on technical and product requirements.

Design power stages, gate driver circuits, protection circuits, auxiliary power supplies, and control interfaces.

Perform electrical, thermal, magnetic, and reliability calculations and simulations to optimize hardware performance.

Prepare and maintain technical documentation, including design specifications, test reports, calculations, schematics, and Bills of Materials (BOMs).

Provide technical support during prototype builds, pilot production, and product industrialization.

Investigate and resolve hardware failures through root cause analysis and implement corrective actions.

Support product certification activities in accordance with IEC, UL, CE, and other applicable international standards.

Collaborate with multidisciplinary teams (firmware, mechanical, manufacturing, and quality) to support product development.

JOB FUNCTIONS :

Usual/Daily:

Design and develop power electronics hardware, including schematics, power stages, gate drivers, and auxiliary circuits.

Perform electrical, thermal, and magnetic calculations and simulations to optimize hardware performance and reliability.

Prepare and maintain technical documentation, including design specifications, test reports, calculations, schematics, and Bills of Materials (BOMs).

Execute laboratory verification and troubleshooting, including functional, thermal, EMC, and reliability testing, and perform root cause analysis of hardware issues

Periodic/Occasional:

Support to other departments.

Analysis and testing at customer facilities in cases of support to other departments, or for U-TI Design projects.

Support product certification and supplier activities, including technical reviews, component qualification, prototype builds, and compliance with IEC, UL, and CE standards.

Minimum academic qualifications:

University degree in Industrial Engineering, Electrical Engineering, Electronics Engineering, or a related field. Preferred profile: Industrial Engineer with a Master's degree in Electrical Engineering.

Skills:

Dedication to work

Guardianship capacity

Eagerness to learn.

Proactivity.

Rigor, method.

Ability to work in a team.

Dynamism in the execution of the work.

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At Nextpower, we are driving the global energy transition with an integrated clean energy technology platform that combines intelligent structural, electrical, and digital solutions for utility-scale power plants. Our comprehensive portfolio enables faster project delivery, higher performance, and greater reliability, helping our customers capture the full value of solar power. Our talented worldwide teams are redefining how solar power plants are designed, built, and operated every day with smart technology, data-driven insights, and advanced automation. Together, we’re building the foundation for the world’s next generation of clean energy infrastructure.

We are Nextpower

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