Shape the Future of Modular Water Treatment Solutions

A leading privately owned engineering company within the water treatment sector is seeking a skilled Process Engineer to join its growing technical team. The business designs and delivers modular water and wastewater treatment plants for clients across healthcare, hospitality, education, manufacturing, commercial, and industrial sectors throughout South Africa and neighbouring African countries.

This role offers the opportunity to take ownership of the full process engineering lifecycle — from process design and hydraulic modelling through to commissioning and performance optimisation. The environment is entrepreneurial, collaborative, and highly dynamic, making it ideal for an engineer who enjoys variety, technical ownership, and continuous growth.

You’ll play a critical role in developing fit-for-purpose treatment solutions that directly impact water quality, sustainability, and operational efficiency for clients across diverse industries.

Key Responsibilities

• 
  Design and optimise water and wastewater treatment processes for modular treatment systems
• 
  Develop process flow diagrams (PFDs), P&IDs, equipment specifications, and control narratives
• 
  Perform hydraulic modelling and process calculations
• 
  Select and specify treatment equipment and process technologies
• 
  Support commissioning activities including FAT/SAT testing, startup, and performance validation
• 
  Troubleshoot process, hydraulic, and operational issues during implementation and operation
• 
  Work closely with mechanical, project, and manufacturing teams to ensure seamless project delivery
• 
  Assist with proposal development, technical submissions, and client solutions
• 
  Monitor plant performance and recommend optimisation improvements
• 
  Support operator training, handover documentation, and long-term process performance
• 
  Mentor junior engineers and contribute to technical team development

Requirements

Candidate Requirements

• 
  Degree in
  Chemical or Process Engineering
• 
  Minimum
  6 years’ experience within water or wastewater treatment environments
• 
  Strong
  understanding of potable water and wastewater treatment processes
• 
  Experience with technologies including
  UF/NF/RO membranes, filtration, ion exchange, biological treatment, and disinfection systems
• 
  Knowledge of
  hydraulic modelling and process design software
• 
  Familiarity with
  SANS 241 and wastewater discharge regulations
• 
  Strong analytical, mathematical, and problem-solving capability
• 
  Experience working with
  PFDs, P&IDs, and commissioning processes
• 
  Ability to
  work both independently and within cross-functional project teams
• 
  Strong communication and stakeholder engagement skills
• 
  Valid driver’s license essential

Why Join This Opportunity?

• 
  Join a growing and highly entrepreneurial engineering business
• 
  Opportunity to work on technically diverse projects across Southern Africa
• 
  Exposure to full project lifecycles from concept through commissioning
• 
  High level of autonomy and technical ownership
• 
  Collaborative team culture with strong opportunity for professional growth
• 
  Work on impactful projects that contribute to sustainable water solutions

Benefits

Salary & Benefits

• 
  R50 000 CTC (Negotiable based on experience)
  ​
• 
  Career growth and development opportunities
• 
  Exposure to regional engineering projects
• 
  Dynamic and supportive working environment

How to Apply

If you are passionate about process engineering and want to be part of a company delivering innovative water treatment solutions across Africa, apply directly through SQ1 Recruitment.

By applying for this position, you consent to the processing of your personal information in accordance with the Protection of Personal Information Act (POPIA) for recruitment purposes.