Field Service Technician - LSS

Role Purpose (Liquid-Solid Separation & Flotation Specialist) To perform advanced inspections, maintenance, troubleshooting, and commissioning of thickeners, flotation cells, disc filters, belt filters, and Pneumapresses to ensure optimal plant performance, reliability, and compliance with design and safety standards.

Your Responsibilities Inspection & Condition Assessment

• Conduct detailed mechanical inspections of thickeners, including rake mechanisms, drive units, torque systems, gearboxes, underflow systems, and structural components.
• Perform flotation cell inspections including rotors, stators, bearings, drive assemblies, air systems, and tank integrity.
• Inspect disc filters, belt filters, and Pneumapresses for wear components, cloth condition, hydraulic systems, drive systems, sealing arrangements, and slurry distribution systems.
• Develop and update inspection templates and deviation lists for solid-liquid separation and flotation equipment.

Fault Finding & Rectification

• Identify mechanical, hydraulic, and operational faults affecting plant performance.
• Troubleshoot breakdowns and implement corrective maintenance to minimize downtime.
• Supervise and perform component replacements, alignments, drive adjustments, and hydraulic repairs.
• Provide recommendations for equipment upgrades and process improvements to enhance reliability and throughput.

Commissioning & Performance Testing

• Assist with installation verification to ensure equipment is assembled according to OEM specifications and Quality Control Plans (QCP).
• Commission equipment and verify operation within design parameters and safety standards.
• Conduct performance tests and provide detailed commissioning and close-out reports to clients.

Client & Commercial Responsibilities

• Provide technical support to site sales teams by identifying service and upgrade opportunities.
• Maintain awareness of financial implications by controlling site costs, subcontractor work, and service hours within approved budgets.
• Ensure clear communication with clients, managing expectations and providing technical guidance.

Safety & Compliance

• Adhere strictly to all site safety standards and FLS safety policies.
• Be prepared to work in demanding plant environments, including confined spaces and extended shifts when required.

What You Bring

• Mechanical Technical Qualification (N3 with Red Seal Trade Test) minimum requirement / National Diploma in Mechanical Engineering.
• Minimum 3–5 years’ hands-on experience in minerals processing equipment maintenance and inspection.
• Proven experience working on one or more of the following equipment:

• Thickeners (conventional and high-rate)
• Flotation cells
• Disc filters
• Belt filters
• Pneumapress pressure filters

• Strong understanding of mechanical systems including drive assemblies, hydraulic systems, lubrication systems, gearboxes, bearings, pumps, and slurry handling equipment.
• Ability to conduct detailed equipment inspections, identify wear patterns, mechanical defects, misalignment, vibration issues, and performance deviations.
• Knowledge of process plant operations related to solid-liquid separation and flotation circuits.
• Ability to read and interpret mechanical drawings, GA drawings, and technical manuals.
• Computer literacy in MS Word, Excel, and Outlook.
• Strong report writing skills, including compiling inspection reports, deviation lists, and technical recommendations.
• Willingness to work extended hours, and travel outside South Africa for extended periods.
• Valid driver’s license and medically fit for site work.

What We Offer As an equal opportunity employer, FLSmidth embraces diversity and equality by promoting an environment of inclusion. We encourage applicants of all backgrounds and perspectives to apply – the more diverse our employees are, the stronger our team is. In our commitment to equal opportunity and eliminating bias, we kindly request that you exclude personal information such as age, ethnicity, number of children, and photograph from your application materials. Kindly note that we will be reviewing applications and conducting interviews on an ongoing basis so please apply as soon as possible. All suitable candidates shall be subject to a personal suitability check which shall include but not be limited to a criminal record check, citizenship check, qualification verification and employment verification. About FLSmidth FLSmidth is the leading supplier of engineering, equipment and service solutions to customers in the mining and cement industries – for more information please visit FLSmidth.com/careers

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