Process Engineer Water & Wastewater Treatment Plants

We are looking for an analytical, organised, and detail-oriented individual to join our team as a Process Engineer for Water & Wastewater Treatment Plants. This pivotal role is an excellent opportunity for an engineering professional with a passion for sustainable water management and process optimisation. You will play a key part in designing, modifying, and implementing water and wastewater treatment processes, ensuring projects are delivered effectively, safely, and in line with regulatory and company standards.

Key Responsibilities – Process Engineering, Water & Wastewater Treatment

• Attend project kick-off meetings and review job files with coordination teams to fully understand project requirements.


• Process, Civil & Mechanical Design


• Process, civil, and mechanical engineering design for water & wastewater treatment plants (Activated Sludge, MBBR, MBR, UF, NF & RO systems).


• Preparation of P&IDs, HFDs, and overall piping layout drawings as per project and client specifications.


• Development of process flow diagrams (PFDs) and mass balance calculations


• Hydraulic calculations and line sizing for process pipelines.


• Selection of suitable materials for process fluids in accordance with standards and




operating conditions

Deliverables & Documentation

• Preparation of equipment schedules, valve lists, and line lists.


• Preparation of process descriptions and control philosophies.


• Development of alarm/trip setpoint lists.


• Preparation of material lists and technical specifications for material requisitions.


• Review and approval of drawings and MTOs in line with project specifications.


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Mechanical & Fabrication Design

• Fabrication design and detailed drawings of process tanks, skids, pressure filter vessels,


• and storage tanks.


• Design of compact oil–water separator units.


• Design of active and passive odour control units using activated carbon media.

Team Leadership & Coordination

• Supervision and guidance of the drafting team for timely and accurate deliverables.


• Internal coordination with other disciplines (civil, electrical, instrumentation, etc.).


•  Project coordination with clients, subcontractors, and site supervisors to ensure timely project completion

Equipment Selection & Technical Approvals

• Technical selection of pumps, blowers, dosing systems, agitators, odour control systems, valves, and instrumentation.


• Technical approval of equipment and materials as per project specifications

Site Support & Operations

• Pre- and post-engineering site surveys to validate design assumptions and as-built
  conditions.


• Providing technical support to proposal, production, installation, commissioning, and O&M teams.


• Guiding O&M teams in the preparation of operation and maintenance manuals for each process plant.

Desirable Attributes – Water Process Innovation & Project Support

• Keen interest in sustainable engineering solutions, innovative treatment technologies, and resource optimisation.


• Demonstrated commitment to ongoing professional development in water and environmental engineering.


• Adaptable and able to thrive in dynamic project settings with changing priorities.

Qualifications & Experience – Process Engineering, Water Industry

• Bachelor’s or Master’s degree in Chemical Engineering, Environmental Engineering, or a related engineering discipline.


• At least 3 years of experience in process engineering for water and wastewater treatment plants (municipal or industrial is acceptable).


• Proven familiarity with industry standards, regulatory frameworks, and environmental compliance requirements in the water sector.