Intermediate Mechanical Engineer

Tetra Tech is adding an Intermediate Mechanical Engineer to our Hydropower and Water Resources team based in Calgary, Alberta.

Why Tetra Tech:

At Tetra Tech, we are Leading with Science to solve the world’s most complex challenges. Our industry-leading experts in engineering and consulting are committed to driving positive change in communities around the world. For over 50 years, we have been at the forefront of innovation and sustainability. Today we stand as a market leader, offering cutting-edge solutions in water, environment, energy, and international development. Our work has improved more than 625 million lives around the world.

Your Impact:

Join Tetra Tech to make a real difference. Our work leverages cutting-edge technologies, advanced analytics, and the expertise of world-class scientists and engineers to create meaningful change around the world. Discover your full potential – join us to advance your career while leaving a lasting legacy.

Position Summary:

We are currently seeking an Intermediate Mechanical Engineer for our Calgary, Alberta office. This is a new vacant position for which we are actively recruiting. The successful candidate will support multidisciplinary hydropower, dam, and water resources projects through all phases of planning, design, procurement, construction, and commissioning.

As an Intermediate Mechanical Engineer, you will help design and deliver the mechanical systems behind complex hydropower and water infrastructure projects. Working under the technical direction of a Senior Mechanical Engineer, you will take ownership of detailed design and engineering work while contributing to project strategy, technical decision-making, and the development of practical solutions.

Working closely with a Senior Mechanical Engineer, you will perform the detailed design and technical work that moves projects forward, while influencing how projects are planned, designed, and delivered. Your work may include developing equipment layouts, designing penstocks and piping systems, specifying turbines and gates, preparing procurement documents, reviewing supplier information, and supporting construction and commissioning in the field.

You will work as part of a multidisciplinary team of engineers and specialists, contributing both technical expertise and practical judgment to projects from feasibility through operation. The role is well suited to an engineer who enjoys solving complex problems, working across disciplines, and seeing their designs become functioning infrastructure.

Essential Job Functions:

Perform mechanical engineering design for hydropower and water resources projects from feasibility studies through detailed design, construction, and commissioning.

Lead or support the selection, specification, and procurement of water-to-wire packages, including hydraulic turbines, generators, governors, auxiliary mechanical systems, and associated balance-of-plant equipment.

Perform mechanical design and analysis for hydroelectric facilities, including equipment layouts, piping systems, hydraulic steel structures, and auxiliary systems.

Design and assess penstocks, including routing, supports, expansion provisions, and integration with civil and structural components.

Prepare engineering calculations, technical specifications, procurement packages, tender documents, and contract documentation.

Support the selection, specification, and procurement of intake gates, spillway gates, stoplogs, bulkheads, gate hoists, and other.

Participate in engineering risk assessments and apply sound engineering judgment to identify, evaluate, and mitigate technical and project risks.

Coordinate multidisciplinary engineering activities with civil, structural, electrical, geotechnical, and environmental teams.

Review vendor proposals, evaluate technical submissions, and review supplier drawings and equipment documentation.

Provide engineering support during construction, including responding to RFIs, reviewing contractor submittals, conducting site inspections, resolving technical issues, and supporting commissioning activities.

Prepare engineering reports, design memoranda, feasibility studies, and condition assessment reports.

Support proposal preparation, project planning, scheduling, and client presentations.

Mentor junior engineers and designers while contributing to technical excellence and continuous improvement initiatives.

Required Qualifications:

Bachelor's degree in Mechanical Engineering from an accredited university.

Registered Professional Engineer (P.Eng.) in Canada.

Approximately 6–10 years of progressive mechanical engineering and project engineering experience.

Demonstrated experience playing an active role in delivering hydropower and water resources projects.

Experience with the following areas will