38 Water Technician jobs in South Africa

• Minimum 2 4 years experience in servicing of water treatment systems
• Strong troubleshooting and problem-solving skills are essential
• Excellent written, verbal, and client-facing communication skills
• Strong working knowledge of Microsoft Office
• Must have a valid drivers license

• Conducting routine maintenance, troubleshooting, and repairs on water treatment systems, including filtration, softening, reverse osmosis systems, and chemical dosing.
• Performing system inspections and assessments to ensure optimal performance.
• Recommending solutions for system improvements.
• Installing and commissioning new water treatment equipment as required.
• Providing technical support to customers and ensuring high-quality service delivery.
• Preparing accurate quotations for service work.
• Identifying potential service opportunities and upselling maintenance plans or service upgrades.
• Building and maintaining strong relationships with customers.
• Working towards achieving service sales targets.
• Completing and submitting job cards.
• Procurement of service components and consumables.
• Handling purchase order and invoice requisitions.
• Maintaining accurate records of work performed, forecasting, and service scheduling.
• Ensuring compliance with customer site and safety requirements.

• Must have a tertiary qualification in a technical or water-related field, or relevant trade certification
• Minimum two years work experience, ideally in the water treatment or related industries will be required
• Knowledge of and experience in water treatment technologies, systems and principles would be a distinct advantage
• Good communication skills, with the ability to interface with internal and external stakeholders of all levels, are important
• Must have a valid drivers license and be willing and able to travel extensively within South Africa and occasionally into Africa
• Must be willing and able to work outside normal hours during breakdowns or service requirements
• The ability to manage own workload and plan all activities is essential for this role

• Providing field service and technical support to existing customers in the field of water treatment.
• Installing, repairing, upgrading, moving, and maintaining all onsite solutions designed and supplied to customers.
• Carrying out high quality site installations, site inspections, repairs, preventive maintenances or troubleshooting at customer site without supervision and within project timescales.
• Assisting dealer technicians in installing, commissioning, and troubleshooting faults.
• Carrying out, without supervision, corrective maintenance, within acceptable timescales, escalating any solution problems if required and maintaining ownership of the problems until the customer is satisfied.
• Attending to service calls and providing telephone support.
• Overseeing emergency corrective maintenance.
• Generating parts and service RFQs from end users or through dealerships.
• Leading company installation personnel on site when required.
• Providing feedback and reporting on any ongoing problems, including reliability or under performance to management.
• Completing and submitting the relevant reports and documentation for installations.
• Engaging with the end users and represent the company in a professional and positive manner.
• Providing input on product development needs and opportunities to the Sales Manager, Executive Director and OEM.
• Assisting the sales team in promoting and sale of upgrades and parallel projects on site.
• Identifying and implementing improvements that enhance customers interactions.
• Traveling in and around Sub Saharan Africa, including surrounding countries and international travel.

Cape Town, South Africa | Posted on 25/04/2025

Ontec has a diverse team made up of innovative and competent individuals. The company not only drives performance for employees to excel on a professional and personal level but rewards this performance. People here are satisfied, challenged, and happy, which makes it a perfect working environment.

Responsible for performing a variety of skilled technical duties and semi-skilled labor in the operation, maintenance, repair, and construction of water systems & wastewater collection systems, including water production and distribution systems, metering, pressure regulators, and customer service response.

• Provides lead direction, training, and work review to staff; organizes and assigns work, sets priorities, and follows up to ensure completion of assigned work.
• Reads blueprints at an intermediate level, analyzes project plans to determine construction requirements, and assigns duties accordingly.
• Operates water systems and performs maintenance tasks; cleans, maintains, and repairs main line sewers, manholes, and laterals; locates, repairs, and maintains water and sewer line breaks and leaks; repairs and installs various water and wastewater appurtenances.
• Performs utility line location marking, activates and terminates water meters, and assists with customer service requests.
• Performs meter testing and fire hydrant flushing.
• Conducts operational and safety checks of equipment before use.
• Excavates and backfills trenches using hand and power tools; repairs, installs, and maintains water lines, meters, and related facilities; cuts pipes, installs tapping valves, lays pipe, and installs valves, meters, and fire hydrants.
• Observes safe work methods, uses safety equipment, secures work sites from traffic hazards, and attends safety meetings. Checks job sites for potential hazards, including confined space concerns.
• Responds as a Shift Operator, depending on certifications achieved and duties assigned.
• Maintains and services a variety of test equipment, hand tools, and power tools.
• Installs, adjusts, and troubleshoots pressure regulating valves, meters, and chemical pumps (if applicable).
• Responds to questions and complaints from the public; carries out assignments in a non-disruptive manner in areas with heavy public use.
• Responds to emergency call-outs and performs standby duties as required.
• Prepares and maintains records of work performed and materials used.
• Contributes to the efficiency and effectiveness of the company’s service by offering suggestions and participating as an active team member.

• Relevant technical tertiary qualification.
• 2-5 years of experience in water/wastewater collection systems operation, maintenance, and repair.
• Relevant certification and licenses as required by the South African water industry authorities.
• Knowledge of methods, techniques, parts, tools, and materials used in maintaining and repairing water and wastewater infrastructure systems.
• Understanding of safe work methods and safety regulations.
• Proficiency with computer software including SCADA and GIS mapping.
• Effective oral and written communication skills.
• Ability to interact effectively with individuals from diverse socio-economic, ethnic, and cultural backgrounds, both in person and over the phone.

Applicants from Cape Town, Western Cape only will be considered.

• Conduct advanced research in water chemistry with a focus on agricultural and environmental applications.
• Develop and validate analytical methods for water quality assessment.
• Lead and contribute to national and international research projects.
• Publish research findings in peer-reviewed journals and present at scientific conferences.
• Supervise postgraduate students and mentor junior researchers.
• Collaborate with stakeholders, including government departments, industry partners, and academic institutions.
• Apply water quality expertise to irrigation systems, including the assessment of water suitability for agricultural use and the impact of irrigation practices on soil and crop health

• Conduct advanced research in water chemistry with a focus on agricultural and environmental applications.
• Develop and validate analytical methods for water quality assessment.
• Lead and contribute to national and international research projects.
• Publish research findings in peer-reviewed journals and present at scientific conferences.
• Supervise postgraduate students and mentor junior researchers.
• Collaborate with stakeholders, including government departments, industry partners, and academic institutions.
• Apply water quality expertise to irrigation systems, including the assessment of water suitability for agricultural use and the impact of irrigation practices on soil and crop health

• PhD in Chemistry, Environmental Science, Water Science, Water Resource Management or related field with a strong focus on water chemistry, biogeochemistry, freshwater and aquatic science.
• Proven experience in research, scientific inquiry and investigation, analysis and data management, modelling.
• Scientific publication and knowledge dissemination record.
• Experience in analytical instrumentation (e.g., ICP-MS, GC-MS, HPLC).
• Knowledge of water quality standards, regulations, and monitoring frameworks.
• Record of research collaboration and partnerships.
• Proven ability to function successfully in cross-cutting disciplinary teams.
• Excellent communication skills, written and verbal.
• Proven track record of mentoring, supervising and training students.
• Experience with field work and acquiring samples.
• Experience in irrigation-related research or water quality monitoring for agricultural applications.
• Valid code B & EB Driver’s licence and driving experience.

Enquiries: Dr AT Grundling, Tel:

CLOSING DATE FOR APPLICATIONS: 17 SEPTEMBER 2025

A competitive remuneration package will be congruent with the scope, responsibilities and the stature of the position. The appointment will be subject to a positive security clearance (as well as competency and leadership assessments).  
Preference will be given to designated groups in terms of the ARC Employment Equity Plan. The Agricultural Research Council is an equal opportunity employer and is committed to the principles and processes of Employment Equity Act.
Applications accompanied by a covering letter, detailed CV with at least three recent (3) contactable referees, certified copies of certificates, supporting documents and a copy of driver’s license must be attached on the form. 
A SAQA evaluation report must accompany foreign qualifications. Incomplete applications will not be considered. Applicants who do not receive any response four (4) weeks after the closing date must regard their applications as unsuccessful. Permanent appointments are subject to six (6) months’ probation period. The organisation reserves the right not to appoint.

We are seeking a Civil Engineer to join our team in the Water Treatment sector, to be responsible for the planning, design, and oversight of construction and maintenance of water treatment facilities and infrastructure. This role involves working closely with multidisciplinary teams to ensure projects meet regulatory standards, environmental guidelines, and client expectations.

• Design and develop water treatment systems, including pipelines, reservoirs, and treatment plants.
• Conduct feasibility studies, site investigations, and Environmental Impact Assessments.
• Prepare detailed engineering plans, specifications, and cost estimates.
• Manage project timelines, budgets, and resources effectively.
• Ensure compliance with local, national, and international water quality and safety regulations.
• Collaborate with environmental scientists, mechanical engineers, and contractors.
• Monitor construction activities and perform quality assurance inspections.
• Provide technical support and guidance during project execution and maintenance phases.
• Prepare reports, documentation, and presentations for stakeholders and regulatory bodies.

• Bachelor’s degree in civil engineering or related field.
• Minimum of 5 years of experience in water treatment or civil infrastructure projects.
• Proficiency in engineering software (AutoCAD, Civil 3D, WaterCAD).
• Strong understanding of hydraulic systems, water chemistry, and environmental regulations.
• Excellent problem-solving, communication, and project management skills.

• Mid-Senior level

• Full-time

• Civil Engineering / Water Resources

• Staffing and Recruiting