Sanexen is seeking a Estimator for its Brossard offices.
Job Description
The incumbent is responsible for preparing cost estimates and project schedules for the company's bids and proposals. Reporting to the Estimating Manager, this role contributes to the competitiveness of proposals by ensuring the accuracy of quantities, cost estimates, and project schedules.
Working closely with the Estimating team and the Project Management Office (PMO), the incumbent actively seeks the most competitive pricing from suppliers, subcontractors, carriers, and disposal facilities. The role also contributes to the development and monitoring of project schedules while supporting the preparation of complete, accurate, and competitive proposals and ensuring effective project follow-up.
Main responsibilities
Estimating
- Review tender documents, drawings, specifications, and contract documents for assigned scopes of work.
- Prepare detailed cost estimates using estimating software (e.g., TPL Estimation).
- Determine labour, equipment, subcontracting, material, and disposal requirements.
- Develop direct cost estimates based on validated technical assumptions.
- Ensure consistency between the proposed technical approach and estimated costs.
- Submit estimates to the Lead Estimator for review and approval, when required.
Pricing and Vendor Management
- Solicit and evaluate quotations from subcontractors, material suppliers, and transportation providers.
- Source the most competitive pricing for materials commonly used in environmental remediation projects (e.g., aggregates, geomembranes, chemicals).
- Obtain and compare transportation rates (trucking, off-site disposal, etc.).
- Identify and assess contaminated soil disposal options, including approved receiving facilities and associated pricing.
- Maintain strong relationships with key suppliers and subcontractors.
- Document and archive pricing information within the team's estimating databases and tracking tools.
Proposal Schedule Development
- Develop project schedules required for competitive bids.
- Collaborate with the Estimating team to ensure all contractual requirements are incorporated into the Baseline Schedule.
- Develop schedule templates tailored to different project types.
Project Schedule Monitoring
- Support the Project Management Office by monitoring project schedules in accordance with project-specific requirements.
- Identify variances between the baseline schedule and actual progress, assist in assessing the financial impacts of schedule delays, and link delays to change orders when appropriate.
- Incorporate approved change orders into project schedules and analyze their impact on project duration.
Technical Support
- Participate in site visits and technical meetings as required.
- Identify technical and financial risks related to assigned scopes of work and communicate them to the Lead Estimator.
- Assist in preparing and formatting proposal submissions.
Cross-Functional Collaboration
- Work under the direction of the Lead Estimator while managing assigned portions of proposals.
- Collaborate with the Project Management Office and Operations teams to validate technical assumptions.
- Participate in bid closeout meetings and support the transfer of project information to execution teams.
- Assist project teams in preparing estimates for change orders and additional work.
Continuous Improvement
- Participate in post-project reviews comparing estimated versus actual project costs in collaboration with the Project Controls team.
- Contribute to maintaining cost databases and benchmarking information.
- Recommend improvements to estimating methodologies, scheduling practices, and supporting tools.
Qualifications required
Sought Profile
- Bachelor's degree in Business Administration, Engineering, or a related discipline.
- Minimum of five (5) years of relevant experience in estimating and/or project scheduling within the construction, environmental, or related industries.
- Experience with, or a strong interest in, environmental remediation projects involving contaminated soil and water treatment.
- Proficiency with project scheduling software such as Microsoft Project, Primavera, or equivalent, as well as Power BI.
- Experience with estimating software (TPL Estimation is considered an asset) and advanced Microsoft Excel skills.
- Strong ability to develop, monitor, and analyze project schedules.
- Excellent analytical, organizational, and problem-solving skills, with the ability to work independently in a fast-paced environment.
- Strong communication and collaboration skills with multidisciplinary teams.
Assets
- Specialization in Project Management.
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.
About SANEXEN
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.

