Water Treatment System Operator

Milestone is looking for creative people who enjoy a challenge. We provide contracting excellence to our clients, daring them to let us collaborate on their toughest and most sensitive projects across Canada. Specializing in soil and ground remediation, water treatment, heavy civil construction, building decommissioning, land reclamation and rehabilitating sensitive habitats; our people thrive in a fast paced and everchanging environment. Everyone on our team believes in finding creative solutions for our clients while making a positive impact to our environment and community. We are employee-owned and commit to keeping our people safe, offering competitive wages and benefits, and providing opportunity for professional growth and development. Learn more

about us
and what we do on our websitewe care, we are equitable, we are inclusive. Our work with Indigenous partners and communities has been a tremendous source of pride and learning for Milestone. We are committed to Indigenous Peoples as partners and employees. The Water Treatment System Operator is responsible for the safe operation, monitoring, maintenance, and optimization of temporary and permanent water treatment systems supporting environmental remediation, mine water management, construction dewatering, and industrial wastewater treatment projects. The Operator will perform routine operations, inspections, sampling, testing, preventative maintenance, troubleshooting, and reporting activities to ensure treatment systems operate safely, efficiently, and in compliance with project requirements and environmental regulations. This position is primarily field-based and requires travel throughout Ontario, including remote northern mine sites and rotational work schedules. Operate and maintain water treatment systems including filtration, clarification, chemical treatment, membrane systems, pumping systems, and associated infrastructure. Perform routine inspections and operational checks. Monitor treatment performance and adjust operating parameters, as required. Collect water samples and conduct field testing. Record operational data and maintain daily operating logs. Assist with system commissioning, startup, shutdown, and demobilization activities. Coordinate with project managers, superintendents, and technical staff regarding system performance. Maintain treatment chemical inventories and consumables. Ensure compliance with environmental permits, discharge criteria, and project specifications. Complete daily field reports and operational records. Maintain maintenance logs and inspection records. Assist with regulatory reporting requirements. Interact professionally with clients, regulators, subcontractors, and project stakeholders. Represent Milestone in a professional manner at all project sites. Support client meetings and site inspections when required. Reads, understands, and follows Milestone's Corporate Health and Safety Program, Policy and Procedures. Ensures health and safety is considered in the performance of all activities both on and off the job. Maintain compliance with site-specific safety requirements. Post-secondary education in Environmental Technology, Water/Wastewater Technology, Civil Engineering Technology, Environmental Science, Chemical Technology, or a related discipline. Water Treatment, Water Distribution, Wastewater Collection, or Wastewater Treatment certifications. Environmental field operations experience. Assets: Basic Supervisor Training or equivalent. Common mining-related training. 2–5 years of experience operating industrial, construction, mine water, or environmental water treatment systems. ~ Experience working in field environments and outdoor conditions. ~ Experience collecting environmental samples and maintaining operational records. Experience on remote mining or northern infrastructure projects. Experience with pumps, piping systems, instrumentation, and process controls. Experience working rotational schedules at remote project sites. Asset: Experience supporting environmental remediation projects. Experience with membrane filtration, reverse osmosis, metals removal, and mine water treatment systems. Strong computer skills, including Microsoft Word, Excel, Outlook, and PowerPoint. Ability to interpret operating procedures and technical documentation. Mechanical aptitude and willingness to perform hands-on maintenance activities. Able to work independently with limited supervision. Able to work in a fast‑paced environment and meet tight deadlines. Ability to adapt to changing project conditions and remote work environments. WORK ENVIRONMENT: This position is primarily field-based and involves frequent travel to project sites throughout Ontario, including remote northern locations. Travel extensively throughout Ontario. Work outdoors in varying weather conditions. Work on active construction, remediation, and mine sites. Li