Senior Water Modeller

Planning Vaughan,Ontario
Salary: CAD 110000.Annually

Are you ready to lead complex water modelling initiatives that shape resilient and sustainable communities? At GEI Consultants, we are seeking a Senior Water Modeller with deep technical expertise and leadership experience to drive impactful water infrastructure projects across the GTA and beyond.

In this role, you will collaborate with municipalities, conservation authorities, and multidisciplinary teams to deliver advanced water servicing solutions. You’ll provide strategic direction, oversee high-profile projects, mentor team members, and influence critical infrastructure planning decisions.

If you're looking to take your career to the highest level - while making a meaningful impact on how communities manage and adapt their water systems
-this is your opportunity.

• Lead complex water modelling studies for municipal infrastructure projects
• Oversee development and calibration of models using tools such as Infowater Pro, WaterCAD and related platforms
• Provide technical leadership on master planning, Class Environmental Assessments (EAs), and servicing studies
• Manage project delivery, including scope, schedule, budget, and coordination of multidisciplinary teams
• Act as a trusted advisor to clients, regulators, and stakeholders across the GTA (e.g., municipalities, TRCA, CLOCA)
• Mentor and develop junior and intermediate staff, fostering technical excellence and knowledge sharing
• Review and approve high-quality deliverables including technical reports, modelling documentation, and design recommendations
• Support business development activities, including proposal preparation, client presentations, and strategic pursuits

Minimum Qualifications

• Degree in Civil Engineering, Water Resources Engineering, or related discipline
• Minimum 15+ years of progressive experience in water resources modelling and infrastructure planning
• Professional Engineer designation (P.Eng. in Ontario) or eligibility required
• Advanced expertise in:
• Hydraulic analysis
• Proficiency in industry-standard modelling software:
• WaterCAD
• Strong knowledge of GTA municipal standards, Ontario regulations, and conservation authority requirements
• Proven experience leading complex projects and mentoring technical teams
• Excellent communication skills, with the ability to present complex technical concepts to diverse audiences
• Physical and environmental requirements for this position are available upon request.

Preferred Qualifications

• Experience with climate change modelling, flood mitigation, and resilience planning
• Proficiency with GIS tools (ArcGIS, QGIS) and data analysis platforms
• Established relationships with local GTA municipalities and agencies
• Demonstrated success in client management and business development

What You Bring

• A passion for technical excellence and innovation in water modelling
• Strategic thinking with the ability to influence infrastructure planning decisions
• Leadership mindset with a commitment to mentorship and team development
• A collaborative approach to solving complex engineering challenges

We are GEI.

Some of the world's most pressing problems - from climate change to sustainable development, to critical infrastructure and the future of our energy supply - need our brightest and diverse minds working together to create safer, more resilient communities for tomorrow.

We are technical experts, collaborators, and entrepreneurs who draw from diverse backgrounds to solve our clients' most complex challenges.

With several offices across North America, we offer a range of engineering, science, and technical consulting services. Our range of expertise, project types, and culture make us the choice for top talent in the AEC industry. See all our office locations here .

In 2023, GEI merged with GM Blue Plan, an Ontario-based engineering, management, and technology consulting company. The merger adds GM Blue Plan's nationally recognized expertise in asset management and infrastructure planning to the GEI family, furthering our growth and expansion in Canada.

Employee-owned. Employee-focused.

As an employee-owned company, our employees support our flat leadership structure, have a say in how our business…