Senior Transportation Drainage Engineer

OverviewImagine a career where your expertise shapes the future of critical transportation infrastructure. Are you a visionary influencer in Water Resources Engineering who thrives in a fast‑paced consulting environment, enjoys solving complex challenges, and excels at business development, sales, and building strong relationships? If you enjoy entrepreneurship and innovation, this opportunity is for you! As someone with excellent communication skills and business acumen, you will thrive in our fast‑paced, agile environment.
Now operating for over 75 years, Dillon continues to strive for excellence. Dillon has been listed as one of Canada’s Best Managed Companies for the past 19 years and has attained Platinum Club member status in this program. We are a community of trusted advisors, thought leaders, and innovators dedicated to excellence and transforming challenges into solutions.
Your Opportunity AwaitsDillon’s Water Resources team is seeking a Senior Transportation Drainage Engineer to become an integral part of a multidisciplinary group of professionals. This is your chance to dive into exciting new projects, deliver unparalleled client experiences, and shape the world around us. At Dillon we operate as one cohesive team.
Position is available in our Kingston, Windsor, London, Guelph, Hamilton, Oakville, and North York offices.
What Makes Dillon DifferentWe empower you to design your career. We provide resources and opportunities for professional development, offering a path that bridges short‑term tasks with long‑term goals. We see you as the architect of your career journey and are committed to supporting you every step of the way.
Responsibilities
Provide senior technical expertise for the delivery of complex highway drainage and transportation‑related water resource projects for both public and private sector clients.
Lead hydrologic and hydraulic modeling for transportation corridors, including the design of watercourse crossing culverts, bridge hydraulics, roadway culverts, ditching, integrated storm sewers, and stormwater management systems.
Conduct hydrologic and hydraulic modeling and analysis using tools such as HEC‑RAS, HEC‑HMS, PCSWMM, InfoWorks ICM, and Visual OTTHYMO.
Provide technical input for complex or unique assignments and support multidisciplinary projects or programs.
Direct, coordinate, and supervise water resources related activities of engineering and design groups from both a technical and functional standpoint.
Coordinate with cross‑disciplines to identify and incorporate relevant data pertaining to hydrologic and hydraulic parameters, system connectivity, discharge points, project constraints, and implementation considerations.
Interpret simulation results to assess capacity, identify system deficiencies, and evaluate improvement alternatives.
Apply monitored and statistical data to models to simulate return‑period and continuous scenarios, and to calibrate and validate results.
Provide project engineering and technical expertise, calculations, and design input to various stormwater management and drainage systems.
Lead conceptual and detailed design of drainage and/or stormwater management infrastructure.
Undertake studies, assessments, modeling, preliminary and detailed design, cost estimates, specifications, and input to contract documents.
Execute project components, including project planning, technical evaluations, studies, preliminary design, final design, and construction services.
Analyze alternatives, methods of implementation, and cost analyses.
Fulfill project plans in accordance with established scopes of work, budgets, and schedules to deliver high‑quality results.
Develop new or novel concepts and recommend major design changes.
Provide technical direction, training recommendations, coaching, and mentoring to junior staff.
Drive technical innovation by pioneering advanced modeling techniques, integrating emerging climate resilience strategies, and deploying cutting‑edge digital workflows.
Business Development
Contribute to business development activities, including leading the preparation of project proposals and presentations.
Engage with clients to identify potential opportunities and strategic priorities.
Learning & Development
Commit to self‑development and ongoing learning to stay knowledgeable of industry best practices and advancements in drainage design.
Contribute to Dillon’s corporate profile through active participation in professional associations and committees.
Support the career advancement of junior staff through technical direction, training recommendations, coaching, and mentoring.
Qualifications
Undergraduate degree in civil or environmental engineering or an applicable technical degree.
Eligibility to hold a valid license from the relevant provincial Professional Engineering Association.
15+ years of relevant experience with a proven track record in large‑scale provincial or municipal highway infrastructure projects. MTO experience is an asset.
Valid driver’s license.
Proficiency with water resources tools such as Visual OTTHYMO, PCSWMM, and HEC‑RAS.
Strong understanding of municipal and provincial drainage design standards.
Excellent communication, report writing, and interpersonal skills.
Ability to work both independently and in a collaborative team environment.
Self‑motivated and proactive with strong initiative and attention to detail.
Excellent initiative and attention to detail.
Experience
Demonstrated success in leading and managing drainage design for major highway and transportation corridor developments.
Experience with analysis, design, and construction administration.
Proficiency with HEC‑RAS, HEC‑HMS, PCSWMM (1D & 2D), InfoWorks ICM, and related computer models.
Excellent communication, report writing, organization, and interpersonal skills.
Ability to work independently and in a collaborative team environment.
Excellent initiative and attention to detail.
Experience in business development, proposal preparation, and submission management.
Compensation$104,000 - $150,000. Salary will depend on education, experience, skills, internal equity, and geographic region. Dillon reserves the right to pay outside the posted range, contingent on factors unrelated to an applicant’s gender or other protected status.
Why Choose DillonDillon is powered by people who are technically proficient, passionate about socially important projects, and motivated to deliver superior results. We remain at the forefront of technology, innovation, and growth.
Core Values
Achievement: do the work to hit the target.
Continuous Development: always learning;
always adapting;
always growing.
Creativity: discover new possibilities.
Courage: do the things that matter, especially when it’s hard.
Inclusiveness: enabling belonging and drawing strength from our differences.
Reliability: words result in actions that build trust.
Benefits
Employee share purchase plan – Dillon is 100% employee‑owned and shares are open to all employees.
Competitive compensation package.
Comprehensive health benefits.
Generous retirement savings plan.
Student loan repayment assistance with matching employer contributions.
Flexible work hours and hybrid working options. Dillon offers a trust‑based approach to flexible and hybrid work to balance personal and business needs.
Learning and development opportunities – coaching, mentoring, and internal learning programs.
Focus on innovation – anticipate, examine, and adopt new solutions for today’s and tomorrow’s problems.
Employee and Family Assistance Program – online resources to support well‑being.
Goodlife Fitness corporate membership with reduced annual fees.
Wellness subsidy for gym memberships, home fitness equipment, yoga and dance classes.
About DillonDillon is a proudly Canadian, employee‑owned professional consulting firm specializing in planning, engineering, environmental science, and management. We partner with clients to provide committed, collaborative, and inventive solutions to complex projects. With over 25 offices and more than 1100 employees across Canada, Dillon offers a wide range of services related to building, improving facilities, protecting the environment, and developing communities.
Health & SafetyProspective employees must fully align with Dillon’s core commitment to Health & Safety, actively engaging with our processes and platform, and identifying and reporting hazards.
Employment Equity, Diversity & InclusionDillon is committed to employment equity and an inclusive, diverse workplace where opportunities are based on skills and abilities. If you require accommodation during the interview process, please let us know.
Technology Enablement & AIDillon invests in modern technologies to enable continuous improvement. We use AI‑assisted tools to support recruitment, but all hiring decisions are made by our human recruiting team. By applying, you acknowledge and consent to this use.
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