Senior Hardware Design Engineer – Power Electronics at Cworth Energy

Key Responsibilities

• Analyse, troubleshoot, and improve existing inverter hardware and power electronics designs.
• Design, review, and optimise power stages, control boards, protection circuits, power supplies, sensing circuits, and communication interfaces.
• Review schematics, PCB layouts, BOMs, component selections, and technical proposals from R&D and manufacturing partners.
• Identify root causes of hardware failures and recommend effective corrective and preventive solutions.
• Support prototype development, testing, validation, debugging, and product improvement from concept to production.
• Evaluate and challenge technical recommendations from the China R&D team using engineering calculations, testing, simulations, and practical experience.
• Work with China-based engineers to translate market requirements and customer feedback into technical product improvements.
• Benchmark inverter products against competitors and identify opportunities for technical differentiation, cost reduction, and improved performance.
• Develop and implement hardware testing procedures covering electrical, thermal, load, protection, reliability, and performance testing.
• Train and mentor local engineers in power electronics, inverter hardware, PCB design, troubleshooting, testing, and failure analysis.
• Build internal capability for future inverter circuit and PCB design.
• Prepare technical documentation, design standards, test reports, and training materials.
• Support the development of the company's long-term inverter technology and product roadmap.

Qualifications & Requirements

• Bachelor's or Master's Degree in Electrical Engineering, Electronic Engineering, Power Electronics, Mechatronics, or a related field.
• 5–10+ years of practical R&D experience in power electronics, preferably involving inverters, UPS, solar systems, battery energy storage, motor drives, or similar power-conversion products.
• Strong hands-on knowledge of power electronics and inverter architecture.
• Proven experience in PCB schematic design, circuit debugging, component selection, and hardware development.
• Strong understanding of MOSFETs, IGBTs, DC-DC converters, DC-AC inverter stages, gate drivers, SMPS, MPPT, battery charging, sensing, protection, and thermal management.
• Proficiency in using oscilloscopes and electronic laboratory/test equipment.
• Experience taking hardware from concept/prototype through testing, optimisation, and production.
• Strong analytical, problem-solving, and technical decision-making skills.
• Ability to clearly explain complex technical issues to both engineers and management.
• Experience working with Chinese R&D teams or electronics manufacturers is an added advantage.
• Knowledge of embedded systems, DSPs, MCUs, firmware, and communication protocols is an added advantage.
• Must be willing to work onsite at Festac/Alaba, Lagos.