Project Manager – Water Treatment


Sanexen is seeking a Project Manager – Water Treatment for its Quebec and Brossard offices.

Job Description

We are currently seeking two distinct profiles in water treatment:

  • Experienced Project Manager, based in Québec City or Brossard, to lead and manage water treatment projects;
  • Mentored Project Manager, based in Québec City, who will be supported in their professional development and growth within the team.

The mentored position is intended for candidates who will complete their university degree in December 2026 or Spring 2027 in water treatment, civil engineering, or mechanical engineering. Ideally, we are looking for someone who is available to start part-time during their final year of studies and continue their professional development within our team. In these roles, the selected candidates will contribute to a variety of water treatment projects.

Depending on their level of experience, they will participate in the planning, execution, and management of projects while collaborating closely with experienced members of the team.

Overview of Projects

The successful candidate will participate in various types of assignments, including:

  • Technical studies;
  • Preliminary and detailed engineering;
  • Construction project management;
  • Treatment system operations management, when required.

These projects primarily involve:

  • Treatment of surface water and stormwater contaminated by industrial activities;
  • Treatment of water from contaminated soil landfill sites;
  • Temporary water treatment solutions implemented as part of site remediation projects (mines, industrial sites) carried out by Sanexen;
  • Temporary water treatment solutions implemented for general contractor projects to ensure compliance of water discharges with municipal requirements.

Reporting to the Water Treatment team, the successful candidate will have the opportunity to:

  • Assist the Project Director and Project Manager in project planning and execution;
  • Participate in the design of treatment solutions tailored to the specific needs of each project;
  • Collaborate in the preparation of technical reports, studies, and technical opinions;
  • Support the preparation of requests for quotations from equipment and accessory suppliers, purchase order processing, invoice tracking, and project cost monitoring;
  • Contribute to the preparation of project deliverables;
  • Participate in the implementation of risk management, health, safety and environment (HSE), and quality management processes;
  • Travel occasionally for initial site visits, construction activities, and commissioning of treatment units.

At SANEXEN, we have the unique opportunity to operate as consulting engineers, contractors, and treatment system operators. This integrated approach allows our teams to develop comprehensive and practical expertise in the environmental field.

Sought Profile

  • Mentored Profile: Currently pursuing a university degree in Water Treatment, Civil Engineering or Mechanical Engineering (expected graduation in December 2026 or Spring 2027), with up to 3 years of experience in the field.
  • Experienced Profile: Holds a university degree in Engineering or a related field;
  • Hold an ASP Construction card;
  • Possess a valid driver’s license;
  • Demonstrate strong communication, technical writing, and problem-solving skills;
  • Have an interest in project management and teamwork;
  • Understand the principles related to health, safety, environment, and quality;
  • Be comfortable using Microsoft Office Suite.

Proficiency in French and English:
Given the diversity of our team and the need to work with local, pan-Canadian, and international clients and partners, the ability to understand and communicate in both languages is required.

We value diversity and inclusion and are committed to providing a respectful and equitable work environment for all.

This text uses the generic masculine form to simplify reading; it includes both masculine and feminine terms in accordance with our inclusion policy.

Choosing SANEXEN means:

  • Competitive compensation;
  • Benefits that meet your needs;
  • Opportunities for career development and professional growth;
  • Projects and challenges that align our DNA and your passion;
  • A dynamic environment where everyone works toward shared goals.

SANEXEN - Over 40 years of innovative environmental solutions

A North American leader in environmental services, SANEXEN has been delivering sustainable, customized, and cutting-edge solutions for over four decades. Our areas of expertise include site remediation, management of regulated materials, risk assessment, dredging, dewatering, industrial effluent treatment, PFAS removal, and much more.

What sets us apart? Our passionate multidisciplinary teams of engineers, scientists, and environmental specialists who innovate every day to tackle the most complex environmental challenges facing the industrial, municipal, and government sectors.

Working at SANEXEN means contributing to meaningful projects in a workplace where your expertise is valued, your voice matters, and your growth is supported.

Here, you are part of a committed team building a cleaner, safer, and more sustainable future — for everyone.