Senior Power Converter Design Engineer

Network Finance; Pretoria; On-site; ZAR 900,000 - 1,500,000; Full time

Job summary

Network Finance seeks a Senior Power Electronics Engineer to join its R&D team, driving design, development, testing and optimisation of high-performance DC-DC and AC-DC power conversion systems employing SiC/GaN.

You will lead development projects, mentor junior engineers, and collaborate with cross-functional teams to deliver reliable energy solutions. Requires 5–10 years' experience in power electronics and relevant degrees.

Qualifications

• 5-10 years' experience in power electronics design and development.
• Experience developing DC-DC and AC-DC power conversion products from concept to production.
• Knowledge of converter topologies: Buck, Boost, Flyback, Forward, Full-Bridge, LLC, Bidirectional DC-DC.
• Hands-on with SiC and/or GaN power devices.
• PCB design and hardware development in high-power/high-frequency applications.
• Proficiency in LTspice, MATLAB/Simulink, and Altium Designer.

Responsibilities

• Drive the design, development, testing and optimisation of advanced DC-DC and AC-DC power conversion systems using SiC and GaN technologies.
• Lead development projects and mentor junior engineers.

Skills

Power electronics

DC-DC conversion

AC-DC conversion

Mentoring

Education

Bachelor's/BTech in Electrical/Electronic/Power Electronics

Master's in Power Electronics/Energy Systems

Tools

LTspice

MATLAB/Simulink

Altium Designer

Job description

A leading technology-focused engineering organisation is seeking a Senior Power Electronics Engineer to join its research and development team. This role offers the opportunity to drive the design, development, testing, and optimisation of advanced DC-DC and AC-DC power conversion systems using cutting-edge Silicon Carbide (SiC) and Gallium Nitride (GaN) technologies.

Education:

• Bachelor's Degree or BTech in Electrical Engineering, Electronic Engineering, or Power Electronics.
• Master's Degree in Power Electronics, Energy Systems, or a related field will be advantageous.

Job Experience & Skills Required:

• Minimum 5-10 years' experience in power electronics design and development.
• Proven experience developing DC-DC and AC-DC power conversion products from concept to production.
• Strong knowledge of converter topologies including Buck, Boost, Flyback, Forward, Full-Bridge, LLC Resonant, and Bidirectional DC-DC Converters.
• Hands-on experience with Silicon Carbide (SiC) and/or Gallium Nitride (GaN) power devices.
• Expertise in control loop design, compensation techniques, small-signal modelling, and stability analysis.
• Experience with magnetic component design, including transformers, inductors, EMI filters, and common-mode chokes.
• PCB design and hardware development experience within high-power and high-frequency applications.
• Proficiency in LTspice, MATLAB/Simulink, and Altium Designer.
• Experience within renewable energy, battery energy storage systems (BESS), electric mobility, telecommunications, or industrial power conversion environments.
• Strong troubleshooting, root cause analysis, and technical problem-solving skills.
• Ability to lead development projects and mentor junior engineers.