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. 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. 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. 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.

Experience Additional 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. Lift equipment and materials up to 50 lbs. Work extended hours as project demands require. Stay in remote camps, hotels, or temporary accommodations during project assignments.

A company vehicle, travel allowance, or travel reimbursement will be provided based on project requirements. Our Commitment to Diversity, Equity, Inclusion & Belonging At Milestone, we believe our strength lies in the diversity of our people and the inclusive culture we foster every day. We do not discriminate on the basis of race, colour, religion, gender, gender identity or expression, sexual orientation, national origin, age, disability, veteran status, or any other characteristic protected by law.

Accommodations are available upon request throughout the recruitment and selection process. Inclusion is embedded in how we work, collaborate, and lead. Our dedication to learning, accountability, and cultural awareness helps us grow as individuals and as an organization.

We are especially proud of our partnerships and work with Indigenous Peoples and communities. We commit to listening, learning, and participating in meaningful truth and reconciliation efforts in collaboration with Indigenous partners, employees, and communities across Canada.

At Milestone Environmental Contracting

Inc., Competitive salary based on experience, skills, internal equity, and work location. Comprehensive health, dental, and prescription drug coverage. Annual pro‑rated $500 Health Spending Account. Three weeks’ vacation to start. Annual career development budget to support certifications, training, and career advancement. #

📌 Water Treatment System Operator (Peterborough)
🏢 Milestone Environmental Contracting
📍 Peterborough