Water Treatment System Operator

Position Summary

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 performs 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.
• Perform preventative maintenance and minor repairs.
• Assist with system commissioning, startup, shutdown, and demobilization activities.
• Coordinate with project managers, superintendents, and technical staff regarding system performance.
• Respond to operational alarms, process upsets, and emergency situations.
• 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.
• Prepare sampling documentation and chain‑of‑custody forms.
• Assist with regulatory reporting requirements.
• Document deficiencies and recommend corrective actions.

• 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.

Read, understand, and follow Milestone's Corporate Health and Safety Program, Policy and Procedures. Ensure health and safety is considered in the performance of all activities both on and off the job. Participation in H&S initiatives will be monitored and reviewed, as necessary.

• Participate in daily hazard assessments and safety meetings.
• Maintain compliance with site‑specific safety requirements.
• Stop work when unsafe conditions are identified.
• Participate in incident investigations and corrective actions when required.

• Post‑secondary education in Environmental Technology, Water/Wastewater Technology, Civil Engineering Technology, Environmental Science, Chemical Technology, or a related discipline.
• Valid Ontario Class G Driver's License.
• Standard First Aid and CPR certification (or ability to obtain).

• Water Treatment, Water Distribution, Wastewater Collection, or Wastewater Treatment certifications.
• Environmental field operations experience.

• Basic Supervisor Training or equivalent.
• Common mining‑related training.
• Confined Space Entry.
• Working at Heights.
• WHMIS.
• TDG Certification.

• 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,…