S3 Engineer – Control Systems

About the role

First Quantum is seeking an experienced S3 Engineer to support the Control Systems Coordinator in a high‑availability mining processing plant. The role focuses on ensuring reliable operation, optimisation and technical governance of Siemens PCS7 DCS, industrial networks and Gearless Mill Drive systems.

Key responsibilities

• Install, configure, commission and maintain Siemens PCS7, S7‑400H PLCs, Profinet/Profibus networks and associated OT platforms, ensuring high availability and redundancy.
• Provide technical support for Gearless Mill Drive control philosophy, excitation systems, cycloconverters and related protection schemes, complying with Zambia Mining Regulations.
• Monitor plant performance via DCS and drive historians, analyse data to identify inefficiencies and implement corrective improvements.
• Develop and deliver training on PCS7, PLC systems, GMD concepts and protection philosophy, mentoring team members.

Required profile

• Degree or diploma in Electrical Engineering, Industrial Automation or Instrumentation.
• 10–15 years of experience in mining process plant automation and electrical drive systems.
• Safety‑focused mindset with ability to work under pressure in noisy, dusty environments.

Required skills

• Siemens PCS7 certification and strong knowledge of Siemens Gearless Mill Drive systems.
• Proficiency with S7‑400H PLCs, Profinet, Profibus, Scalance, VMware virtualization and TIA Portal.
• Experience with ABB MV switchgear, Sinamics SL150 drives, Siprotech protection, OPC DA/UA and IIoT data management.
• Knowledge of MV/LV systems, variable speed drives, electrical drawings and P&IDs.