Water and Wastewater Technician

RGIT Australia; City Of Cockburn; On-site; AUD 55,000 - 83,000; Full time

Benefits offered by this job

Safety-first culture

Long-term career prospects

Exposure to diverse equipment

Job summary

Centurion is seeking a Water and Wastewater Technician to join our team. The role covers daily operation and maintenance of RO and wastewater treatment systems across remote locations, ensuring regulatory compliance and high performance.

The ideal candidate has hands-on maintenance experience with RO and wastewater plants, strong problem-solving skills, and the ability to work autonomously in challenging environments. A HR licence is preferred and safety is paramount in all tasks.

Qualifications

• Experience maintaining and operating RO and wastewater plants (required).
• Strong mechanical aptitude with equipment maintenance experience.
• Ability to read and interpret engineering drawings.
• Proven troubleshooting and problem-solving skills.

Responsibilities

• Perform preventive and corrective maintenance on water and wastewater equipment including pumps, motors, instrumentation and control systems.
• Diagnose faults and troubleshoot to minimise downtime and improve reliability.
• Inspect and calibrate instrumentation, sensors and monitoring equipment.
• Support commissioning, optimization and continuous improvement of treatment systems.
• Analyse data and trends to identify efficiency and compliance improvements.
• Maintain maintenance records and documentation in line with procedures.

Skills

RO water treatment

Wastewater treatment

Mechanical aptitude

Instrumentation & sensors

Documentation

Safety practices

Job description

Full-time Permanent Associate

Posted 05 Aug 2026

Description

About Us

Centurion – Asia Pacific Rentals and Services supplies high-quality, certified equipment solutions to the mining, energy, industrial, infrastructure, and construction sectors. Our range includes water and wastewater treatment services, power generation, pumps, winches, and lifting equipment. Our Bibra Lake facility focuses on sustainable water and wastewater services, delivering innovative, environmentally responsible solutions that ensure operational excellence for our clients across Australia.

About the role

We are looking for an experienced Water and Wastewater Techincian with a proactive, hands-on attitude to join our team. You will be responsible for the daily operation and maintenance of water and wastewater treatment systems — including but not limited to filtration, reverse osmosis (RO), chlorination, UV disinfection, SAF, SBR, and MBR technologies. This role will be required to work in remote locations.

Responsibilities

• Conduct preventive and corrective maintenance on water and wastewater treatment equipment, including pumps, motors, instrumentation and control systems.
• Diagnose and troubleshoot mechanical, electrical and process-related faults to minimise downtime and ensure operational reliability.
• Inspect, test and calibrate instrumentation, sensors and monitoring equipment to maintain system accuracy and performance.
• Support the commissioning, optimisation and continuous improvement of water and wastewater treatment systems.
• Analyse operational data and treatment performance trends to identify opportunities for improved efficiency and compliance.
• Assist with asset management activities, including maintenance scheduling, equipment condition assessments and lifecycle planning.
• Ensure treatment systems operate in accordance with regulatory requirements, environmental standards and company procedures.
• Investigate process issues and implement corrective actions to maintain water quality and treatment performance.
• Coordinate with contractors, suppliers and site personnel to facilitate maintenance and improvement works.
• Prepare technical documentation, maintenance records, inspection reports and compliance-related documentation.
• Participate in emergency response and breakdown maintenance activities as required.
• Promote and maintain a strong commitment to workplace health, safety and environmental practices.

What we are looking for?

• Previous experience in maintaining and operating reverse osmosis and wastewater treatment plants (required)
• Engineering background or relevant discipline (highly regarded)
• Must have previous SBR experience
• Proven hands-on mechanical aptitude and equipment maintenance experience
• Demonstrated ability to work independently with strong problem-solving and process knowledge
• Experience in troubleshooting and calibrating instrumentation and sensors
• Combine the ability to read and interpret engineering drawings into one dot point
• Accurate and timely documentation in line with company procedures, quality systems, and safety standards

About you

• Strong trouble-shotting and problem-solving skill
• Strong commitment to workplace safety and health (WSH) practices
• Ability to work autonomously and as part of a team
• Strong commitment to quality workmanship and attention to detail
• Proficient in computer systems and data entry
• Excellent communication, interpersonal, and report writing skills
• Must hold HR licence

What We Offer

• Competitive hourly rate and hours
• A supportive, safety-first/quality first workplace culture
• Exposure to diverse equipment and interesting projects
• Long-term career prospects in a growing business

Company Overview

About Centurion Centurion is a global leader in the supply of equipment rentals and services to critical industries, including mining, renewables, oil and gas, construction, infrastructure and defence. Operating across five key regions - Asia Pacific, US, Canada, UK and Europe, and the Middle East and North Africa, we deliver practical, cost-effective solutions through innovation, collaboration, and a deep understanding of industry needs. At Centurion we are focused on safety, sustainability, and working more efficiently to support our clients, even in the toughest and most remote conditions. Throughout the Asia Pacific region, Centurion connects global capability with local expertise to deliver effective solutions tailored to our clients’ needs. From remote mine sites and wind farms to hydroelectric power plants and major infrastructure projects, we deliver the right solution, regardless of its scale or complexity.