Jonah Mashaka

Highly skilled Electrical Technician with extensive hands-on experience in industrial maintenance, fault-finding, and electrical installations across manufacturing, steel, and packaging environments. Strong background in breakdown response, preventative maintenance, PLC diagnostics, medium/low voltage switching, and equipment optimisation. Recognised for improving plant reliability, reducing downtime, and ensuring compliance with safety and regulatory standards.

Adept at mentoring teams, managing projects, and delivering high-quality technical solutions in fast-paced production settings.

Maintenance Electrical Technician - Smurfit WestRock - Birmingham, UK

(2025-09)

• Conduct routine inspections across the mill and collaborate with production teams to maintain equipment performance.
• Diagnose and repair electrical and mechanical faults, ensuring minimal downtime and cost-effective solutions.
• Execute planned and unplanned maintenance during shutdowns, communicating delays or risks to management.
• Lead improvement, modification, and optimisation projects to enhance equipment reliability and safety.
• Perform isolations, permits, and safety procedures in line with company standards.
• Maintain high housekeeping and ensure all work is supported with accurate documentation.
• Maintenance of DC motors
• Installation, calibration of Pressure transducers, Flow meters, Ultrasonic sensors, Positioners and Valves

Engineering Shift Supervisor - Sharpak Yate - Yate, UK

(2024-12 - 2025-08)

• Led shift engineering activities, delivering both reactive and planned maintenance.
• Ensured all maintenance tasks were completed and recorded accurately within CMMS.
• Provided technical guidance to engineering teams and supported continuous improvement initiatives.
• Managed stock levels, spare parts procurement, and adherence to H&S and BRC standards.
• Coordinated communication between engineering, production, and management teams.
• Oversaw daily operational safety and promoted a clean, safe working environment.

Senior Electrical Engineer (Hands-On) - Auto Industrial Group - South Africa (Steel Manufacturing)

(2023-01 - 2024-12)

• Led maintenance and repair of foundry production equipment, including induction furnaces and heavy industrial machinery.
• Conducted detailed inspections, condition monitoring, and root cause analysis to prevent recurring failures.
• Managed documentation, safety registers, and compliance with legislative requirements.
• Supported project planning and implementation for plant upgrades and modifications.
• Trained and mentored junior technicians and apprentices.
• Ensured plant availability through effective preventative maintenance strategies.
• Improved equipment uptime through structured maintenance planning.
• Ensured compliance with Health & Safety Act regulations and internal standards.
• Provided accurate technical feedback to operators and apprentices to enhance operational performance.

Electrical Maintenance Supervisor - Ranoli Electrical - South Africa

(2022-01 - 2023-12)

• Supervised maintenance teams and ensured adherence to quality and safety standards.
• Responded to client breakdowns, conducted site assessments, and prepared quotations.
• Managed procurement, spare parts, and inventory control.
• Produced detailed technical reports and engaged with clients on project requirements.
• Issued Electrical Certificates of Compliance following inspections and testing.
• Implemented cost-effective maintenance controls and budgeting.
• Maintained accurate registers for company equipment and tools.

Electrical Engineering Foreman - Scaw Metals - Wadeville, South Africa (Steel Manufacturing)

(2008-01 - 2021-12)

• Performed planned, preventative, and corrective maintenance on heavy industrial equipment including EAFs, ladle furnaces, CCMs, conveyors, crushers, and pumps.
• Utilised Siemens S7 PLCs for advanced fault-finding and diagnostics.
• Delivered electrical and mechanical support across the plant, ensuring minimal downtime.
• Maintained maintenance schedules, equipment records, and spare parts availability.
• Conducted medium-voltage switching (33kV & 6.6kV) and maintained associated systems.
• Installed, calibrated, and tested plant equipment, including AC/DC drives and motor control panels.
• Developed safe working procedures and standard maintenance documentation.
• Analysed downtime trends and implemented corrective actions to improve reliability.
• Led commissioning, testing, and installation of electrical systems and MCC panels.

Electrical Foreman / Construction Supervisor – Ford Project (Pretoria) - Energy21 (Pty) Ltd - Pretoria

• Installed and commissioned production equipment, wiring, and control circuits.
• Provided technical support, troubleshooting, and team supervision.

Electrician - Lauds Foundry Equipment - South Africa

• Maintained workshop machinery including lathes, welders, and milling machines.
• Repaired and installed foundry equipment, motor control boards, and hydraulic power packs.
• Built electrical panels, wired PLC systems, and terminated cables for automated equipment.

National Craft Certificate - Electrical Plant & Installation - Kwekwe Polytechnic

Trade Certificate - Electrical Engineering