Transformer Maintenance Technician

Job title: Transformer Maintenance Technician

Job Location: Gauteng, Johannesburg

Deadline: May 14, 2025

Responsibilities:

• Conduct preventative and corrective maintenance on power transformers, including inspections, diagnostics, and repairs.
• Service and troubleshoot on-load (OLTC) and off-load tap changers, preferably MR systems (e.g. VACUTAP).
• Perform advanced diagnostic tests such as DGA, SFRA, insulation resistance, and TTR.
• Execute transformer oil sampling, filtration, and degassing processes.
• Provide accurate and detailed maintenance, inspection, and test reports.
• Coordinate effectively with mine clients and internal technical teams.
• Support transformer installation, testing, and commissioning activities.
• Comply with mine site safety rules and company procedures.
• Participate in continuous training on MR technologies and transformer best practices.

Knowledge and Skills:

• Strong ability to interpret technical manuals and electrical drawings.
• Excellent troubleshooting and field problem-solving skills.
• Able and willing to work on a rotational basis (3 months in DRC, 2 weeks off).
• Good communication skills in English and/or French (both is an advantage).
• Valid passport and international travel readiness.
• Driver’s license is an asset.
• Familiarity with transformer testing equipment (e.g. Omicron, Megger).
• Experience with transformer protection systems and auxiliary controls.
• Knowledge of IEC/IEEE transformer maintenance standards.
• Prior experience working on mine sites or remote industrial environments.

Qualifications and Experience:

• Education: Diploma or Degree in Electrical Engineering or equivalent technical field.
• Experience: Minimum 10 years hands-on experience in transformer maintenance, including extensive work on tap changers.
• Proven expertise in diagnosing, repairing, and maintaining OLTC and DETC systems.
• Experience with MR tap changers and diagnostic tools is highly desirable.