Electrical, Instrumentation & Control Engineer at Plantation Industries Limited

We invite applications from suitably qualified candidates. Job Summary

• The Electrical, Instrumentation & Control Engineer is responsible for the effective management, reliability, and safety of all control systems, instrumentation, automation infrastructure, and related electrical protections at Plantation Industries Limited’s cocoa processing facility.

• This includes installation, programming, calibration, software backup, control panel protection, and the design and maintenance of robust earthing, thunder, and lightning protection systems to safeguard sensitive equipment and ensure uninterrupted operations in compliance with food safety and regulatory standards.

Key Responsibilities Instrumentation & Process Control

• Install, calibrate, and maintain process instruments for temperature, pressure, flow, and moisture across cocoa liquor, butter, cake, and powder production lines.

• Monitor and optimize PID-controlled loops through SCADA/PLC systems to ensure consistent product quality and process efficiency.

Automation Systems Management

• Program and manage PLCs (Siemens S7, Allen Bradley), HMI interfaces, SCADA systems, and communication protocols (Modbus, Profibus, Ethernet/IP).

• Maintain secure, version-controlled backups of all automation software and perform periodic system recovery tests.

• Update and archive automation logic changes, configuration files, and functional descriptions.

Electrical & Control Panel Protection

• Ensure all electrical and control panels meet IP protection standards, are dust- and moisture-resistant, and comply with hygienic design principles.

• Monitor temperature, load balancing, insulation resistance, and secure grounding within control panels.

• Maintain detailed panel drawings, cable schedules, and protection relay settings.

Earthing, Thunder & Lightning Protection Systems

• Design, implement, and maintain comprehensive earthing and lightning protection systems compliant with IEC 62305 and relevant Nigerian electrical standards.

• Ensure all control panels, production equipment, and automation systems are adequately bonded to the earthing grid.

• Inspect and test earth pits, surge arresters, lightning rods, and grounding conductors periodically to ensure electrical safety.

• Maintain grounding resistance within specified limits for sensitive instruments and communication lines.

• Coordinate installation of surge protection devices across all vulnerable points in the facility.

Preventive & Predictive Maintenance

• Execute scheduled preventive maintenance for control systems, instrumentation, panels, and lightning protection infrastructure.

• Respond to control system or protection-related faul...