Trusted listing
Electrical Engineer – Switchyard & Substation
African Industries Group (AIG)
Lagos, Nigeria
Permanent
Published 1 month ago · Expires 3 weeks from now
Job description
## Title: Electrical Engineer – Switchyard & Substation Operations
Position Overview
We are seeking a qualified Electrical Engineer to manage 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 and 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 power factor 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 and monthly reports on power consumption, breakdowns, and switchyard performance
Required Qualifications & Experience
- B.Eng. in Electrical Engineering (Power option preferred)
- 5 – 10 years' hands-on experience in 33kV / 11kV Switchyard and 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
Location
Lagos, Nigeria