Electrical Engineer – Switchyard & Substation at African Industries Group (AIG)

Job Summary

• Responsible for the operation, maintenance, troubleshooting, and improvement of the 33kV / 11kV Switchyard, 33/11kV power transformers, HT / LT switchgear, protection relays, and entire power distribution network that supplies the steel plant (melting, rolling, utilities, and auxiliary sections).

Key Responsibilities

• Manage daily operation and maintenance of 33kV Switchyard, 33/11kV & 11/0.433kV transformers, VCBs, ACBs, SF6 breakers, and associated HT panels.
• Supervise and execute preventive & predictive maintenance of all substation equipment, CTs, PTs, LA, isolators, and earthing systems.
• Coordinate with DISCO / TCN (Ikeja Electric / Transmission Company of Nigeria) for 33kV feeder shutdowns, permits-to-work, and fault rectification.
• Lead fault analysis, relay coordination, and protection settings (over-current, earth-fault, differential, REF, etc.) using numerical relays (Siemens, ABB, Schneider, Alstom, SEL, etc.).
• Maintain and update switchyard single-line diagrams, protection schematics, and relay setting charts.
• Monitor power factor, maximum demand, and implement capacitor bank switching for PF improvement.
• Handle breakdown maintenance of HT/LT motors, PCC/MCC panels, and plant-wide power distribution.
• Ensure compliance with NERC regulations, factory electrical safety standards, and company SOPs.
• Train and supervise technicians and contractors working in the switchyard and substation areas.
• Prepare daily/monthly reports on power consumption, breakdowns, and switchyard performance.

Qualifications & Requirements

• B.Eng. in Electrical Engineering (Power option preferred).
• 5 – 10 years' hands-on experience in 33kV / 11kV Switchyard & substation maintenance in steel, cement, oil & gas, or heavy manufacturing industry.
• Strong knowledge of power transformers (minimum 10–20 MVA), SF6 / vacuum circuit breakers, and numerical protection relays.