Sr. Water Resources Engineer and Project Mgr

Strong communities don’t just happen—they’re built. They’re creatively imagined, collaboratively planned, and readied to face tomorrow with optimism. We’re driving the future of Community Development. Our experts lead their fields, collaborating on projects that are as technically challenging as they are impactful, creative, and fulfilling. We’re a place where you can apply your passion—and find endless opportunities to help make communities more equitable, resilient, and livable. At Stantec, we bring together the places that make communities feel like home whether it’s an urban park, a mixed‑use community, a residential neighbourhood or connecting them by road or rail. We do this because we’re part of the community too and we care about the places where we live—just as much as you do. Join the team that truly designs with community in mind.

Your Opportunity

An opportunity exists in our Markham, Mississauga or Toronto offices for a Senior Water Resources Engineer / Water Resources Project Manager. As the successful candidate, you will be responsible for the management and coordination of stormwater management designs for projects ranging from commercial or residential infill developments to master stormwater drainage plans such as Subwatershed Impact Studies, and as well as providing support in pursuing business development activities. You will be the prime contact on your projects with the client, approval agencies and others and you will use your technical and leadership abilities to lead a project team of designers and others.

Your Key Responsibilities

• You will use your technical abilities, with support from senior staff, to lead and / or complete the surface water resources component(s) of a wide variety of projects in a dynamic design team setting. Your responsibilities will include the following :
• Guide the stormwater management design for a wide range of projects across all stages, from due diligence / feasibility and preliminary / conceptual design through to detailed design as well as providing support during scheduling, tendering and construction;
• Coordinate with multidisciplinary team members to ensure project requirements are delivered efficiently, accurately, and on schedule. This includes collaborating with and providing technical guidance to planners, landscape architects, environmental specialists, civil designers, project managers, and external consultants through active involvement in the execution of projects;
• Analyze project requirements and develop clear, defensible design criteria for Subwatershed Impact Studies, Environmental Assessments, linear infrastructure, and major development projects;
• Lead the development and / or revision of hydrologic and hydraulic models including, but not limited to, Visual OTHYMO, HEC‑RAS, PCSWMM, and CulvertMaster, by selecting appropriate methodologies, applying sound modelling assumptions and establishing defensible modelling parameters;
• Oversee floodplain delineation / flood hazard mapping, as well as evaluating the performance of hydraulic structures (culverts, bridges, channels) and proposing alternative sizing or design solutions to meet regulatory and stakeholder requirements;
• Complete engineering design of stormwater management systems, including stormwater facilities, underground and surface drainage infrastructure, low impact development measures, linear infrastructure stormwater management and conveyance systems, and erosion and sediment control plans;
• Prepare technical reports and design briefs that clearly document analyses, ensuring high‑quality written, technical and graphic work. This includes technical and communication review and sealing of engineering design drawings and reports, where applicable;
• Mentor and train junior and intermediate surface water staff on technical calculations, modeling, and report writing;
• Conduct senior‑level technical reviews of hydrologic / hydraulic models, engineering designs, and reports created by junior / intermediate engineers;
• Ensure all deliverables comply with municipal, provincial, and federal guidelines, as well as industry best practices;
• Liaise with clients, municipalities, conservation authorities, regulatory agencies, utilities, and others to obtain approvals;
• Interface with clients on design details and support senior project managers to ensure that clients’ needs are met while maintaining strong relationships and high‑quality service;
• Manage surface water related tasks, ensuring completion of work on‑time and on‑budget;
• Contribute to project proposals and budgets;
• This position includes exposure to a variety of projects and sectors, so experience with different sectors and clients would be considered an asset. Career growth opportunities stemming from the position include the potential for a leadership role locally and / or corporately.

Your Capabilities and Credentials

Education and Experience

Typical office environment working with computers and remaining sedentary for long periods of time. Field work may include exposure to the elements including inclement weather.

This description is not a comprehensive listing of activities, duties or responsibilities that may be required of the employee and other duties, responsibilities and activities may be assigned or may be changed at any time with or without notice. Stantec is a place where the best and brightest come to build on each other’s talents, do exciting work, and make an impact on the world around us. Join us and redefine your personal best.

Pay Range

Pay Transparency : In compliance with pay transparency laws, pay ranges are provided for positions in locations where required. Please note, the final agreed upon compensation is based on individual education, qualifications, experience, and work location. At Stantec, certain roles are bonus eligible. Actual compensation for part‑time roles will be pro‑rated based on the agreed number of working hours per week.

Benefits Summary : Regular full‑time and part‑time employees (working at least 20 hours per week) will have access to health, dental, and vision plans, a wellness program, health care spending account, wellness spending account, group registered retirement savings plan, employee stock purchase program, group tax‑free savings account, life and accidental death & dismemberment (AD&D) insurance, short‑term / long‑term disability plans, emergency travel benefits, tuition reimbursement, professional membership fee coverage, and paid time off.

Temporary / casual employees will have access to group registered retirement savings plan, employee stock purchase program, and group tax‑free savings account.

The benefits information listed above may not apply to union positions because benefits for such positions are governed by applicable collective bargaining agreements.

Primary Location

Canada | ON | Markham

Organization : BC-1606 CommDev-CA Ontario East

Employee Status : Regular

Travel : Yes

Schedule : Full time

Job Posting : 08 / 01 / 2026 03 : 01 : 27

Req ID : 1003587

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