Automation SCADA

Automation/Scada Engineer

Location: Yekepa, Liberia / Site-based and rotational
Job Type: Full-time / Fixed-term

1. Role Purpose

The Automation/SCADA Engineer is responsible for the configuration, maintenance, troubleshooting, and optimisation of the plants Siemens PCS7 Distributed Control System (DCS) and all associated automation and instrumentation systems. The role ensures safe, reliable, and efficient operation of the iron ore concentrator by supporting process control, production, and maintenance teams.

2. Key Responsibilities

Control System Maintenance & Development

Maintain, troubleshoot, and optimise the Siemens PCS7 DCS, including OS, AS, WinCC, and network components.

Diagnose and resolve control system issues, alarms, communication failures, and logic problems.

Develop and modify control logic, SFCs, faceplates, graphics, and PLC blocks as required.

Implement system backups, version control, and cybersecurity practices.

SCADA & Industrial Network Support

Maintain and optimise plant SCADA systems, historian interfaces, and industrial networks (Profibus, Profinet, Ethernet).

Monitor system health, redundancy servers, field I/O, and fibre-optic communication infrastructure.

Support integration with third-party systems (weighing systems, analyzers, MCCs, VSDs, protection relays, etc.).

Instrumentation & Field Support

Support instrumentation (flow, level, pressure, temperature, density, etc.) and troubleshoot signal issues.

Assist with calibration, installation, loop checks, and commissioning of field devices.

Work alongside electrical and mechanical teams to ensure accurate and reliable instrumentation data.

Project, Optimization & Commissioning

Participate in control system upgrades, expansions, and process optimisation initiatives.

Lead or support commissioning of new equipment, control loops, and system modifications.

Prepare and update control philosophy documentation, loop descriptions, and functional specs.

Maintenance Planning & Reporting

Review and improve alarm management and control loop stability.

Complete accurate job cards, logs, and technical reports.

Provide technical support to planners for preventive and predictive maintenance strategies.

Safety & Compliance

Ensure all automation work complies with safety standards, LOTO, and site rules.

Implement cybersecurity best practices aligned with corporate guidelines.

Participate in HAZOPs, risk assessments, and incident investigations.

3. Qualifications & Experience

Essential

Degree or Diploma in Automation, Electrical, Electronics, Mechatronics, or similar.

Minimum 35 years experience in an industrial process plant (mining, minerals processing, chemical, oil & gas, or manufacturing).

Strong hands-on experience with Siemens PCS7 (required).

Proficiency in WinCC, Step7, TIA Portal, and Siemens PLC family (S7-300/400/1500).

Good understanding of Profibus/Profinet networks, diagnostics, and industrial Ethernet.

Strong instrumentation troubleshooting background.

Desirable

Experience with large-scale concentrators, beneficiation plants, or continuous process industries.

Knowledge of motor control centres (MCC), VSD integration, and protection relays.

Knowledge of historian systems (OSIsoft PI, WinCC OA, etc.).

Commissioning experience for greenfield or brownfield expansions.

4. Competencies & Attributes

Strong analytical and problem-solving skills

Ability to work independently in high-pressure operational environments

Excellent communication and teamwork

High attention to detail and documentation discipline

Safety-conscious mindset and adherence to standards

Willingness to work in remote sites and rotation schedules

5. What We Offer

Competitive salary and benefits package

Opportunity to work with advanced automation technologies in a world-class mining environment

Accommodation, meals, and transport 

Supportive and multicultural team environment