Field Service Technician

Recruiter:

Network Recruitment

Job Ref:

NES026188/SV

Date posted:

Thursday, May 21, 2026

Location:

Potchefstroom, South Africa

Salary:

Annually

SUMMARY:

An exciting opportunity exists for a hands-on Electrical Field Service Technician with a passion for fault-finding and a willingness to work underground on cutting-edge battery-powered mining equipment in Potchefstroom.

POSITION INFO:

Be part of an innovative engineering environment in Potchefstroom, supporting advanced lithium battery systems used in underground mining locomotives. This role is ideal for a technically capable, hands-on Electrical Field Service Technician who thrives in site-based, underground conditions and enjoys solving complex electrical faults while ensuring optimal equipment performance.

Education & Skills:

BEng / BSc in Electrical or Electronic Engineering
3+ years’ experience in power electronics design or product support
Strong understanding of mediumâ to highâpower conversion systems
Experience with simulation tools, such as MATLAB/Simulink, LTspice, or PSpice
Practical experience with testing and troubleshooting power electronic hardware
Solid understanding of thermal management, EMC, and protection schemes

Job Experience & Skills Required:

Design and development of highâpower converters and inverters for renewable energy and energy storage systems
Support the lifecycle of gridâconnected solar PV inverters, battery converters, and related power electronics products
Develop and review power stage designs, including DC/DC, DC/AC, and AC/AC topologies
Selection and validation of power semiconductor devices (IGBTs, MOSFETs, and SiC)
Perform circuit simulation, control loop analysis, and performance optimisation
Support factory and site testing, commissioning, and fault investigation
Work closely with control, systems, and commissioning engineers
Ensure compliance with electrical standards and gridâcode requirements

Apply now!

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