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The Opportunity 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 be an asset: Turbine and generator sizing, selection, specification, and procurement Penstock design Preparation of technical specifications, procurement packages, and tender documents Mechanical design and engineering analysis Hydraulic power systems for turbine governors, gate control systems and other Selection, specification, and procurement of intake and spillway gates and associated structures Power and energy modelling and economics for hydro-power projects Understanding of fundamentals for power generation protections, controls and communications Engineering risk management and application of risk-based design principles Engineering support during construction, including contractor submittal reviews, Requests for Information (RFIs), field inspections, and commissioning support Engineering support during commissioning including preparation of commissioning plans, and on-site presence. Strong knowledge of Canadian engineering codes, ASME, CSA, hydraulic steel structures, pressure piping, and hydro-mechanical equipment. Experience preparing engineering calculations, reports, design documentation, and technical specifications. Excellent technical writing, communication, and client relationship skills. Ability to work independently while collaborating effectively within multidisciplinary project teams. Willingness to travel periodically to project sites across Canada. Physical Requirements Ability to sit or stand as required and remain in a stationary position for at least 50% of the workday. Frequent use of hands and fingers to handle, manipulate, or feel objects, including continuous operation of a computer and other standard office equipment such as calculators, copiers, and printers. Work Environment / Environmental Factors The majority of work is performed in a professional office setting. Periodic travel may be required and could involve limited exposure to extreme temperatures. Travel may include air travel, during which the employee may be required to remain seated for extended periods. Additional Information Tetra Tech offers comprehensive benefit options that allow employees to design a plan based on individual needs and assists in planning for long-term financial security. Available benefits include medical, dental and vision insurance, term life, disability, accidental death & dismemberment coverage, time off with pay, retirement plan, and an Employee Stock Purchase Plan. The salary range for this position is $95,000 to $145,000. Please note that Tetra Tech considers various factors in determining pay, including but not limited to: education, relevant and demonstrated work experience in the role, skills, geographic location, qualifications, certifications, and other competencies relevant to the needs of the business. Life At Tetra Tech The perks of working at Tetra Tech include: Comprehensive and market-competitive benefits. Merit-based financial rewards. Flexibility and company-wide commitment to work/life balance. Collaborative team atmosphere that values the contributions of all employees. Learning and development opportunities for ongoing professional growth. About Tetra Tech Tetra Tech is the leader in water, environment, and sustainable infrastructure, providing high-end consulting and engineering services for projects worldwide. With 30,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science ® to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition. Tetra Tech is proud to be an Equal Opportunity Employer. All qualified candidates will be considered without regard to race, color, religion, national origin, age, disability, sex, marital or familial status, status as a protected veteran, or any other characteristic protected by law. Tetra Tech may use AI-enabled tools to screen, assess, and assist in selecting applicants for this position based on job-related criteria. However, a human decision-maker will decide who moves forward throughout every stage of the hiring process. We invite applications from all interested parties. Explore our open positions at https://www.tetratech.com/careers. Follow us on social media to learn more about our people, culture, and opportunities: LinkedIn: @TetraTechCareers X (Twitter): @TetraTechJobs Additional Information Organization: 705 PWR

What you’ll do

Perform mechanical engineering design for hydropower and water resources projects from feasibility through commissioning. Lead the specification and procurement of water-to-wire packages and coordinate with multidisciplinary teams to deliver complex infrastructure.

Requirements

Requires a Bachelor's degree in Mechanical Engineering and a P.Eng. registration in Canada with 6–10 years of progressive experience. Candidates should have demonstrated expertise in hydropower projects and knowledge of Canadian engineering codes.

Benefits

• Medical Insurance • Dental Insurance • Vision Insurance • Term Life Insurance • Disability Insurance • Accidental Death & Dismemberment Coverage • Paid Time Off • Retirement Plan • Employee Stock Purchase Plan

Listed skills

• Multidisciplinary Coordination · Preferred
• Client Relationship Management · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• Mechanical Engineering Design
• Hydropower Systems
• Water Resources Engineering
• Penstock Design
• Turbine and Generator Specification
• Procurement Documentation
• Hydraulic Steel Structures
• Engineering Risk Assessment
• Technical Writing
• Project Engineering
• Commissioning Support
• ASME Codes
• CSA Codes
• Pressure Piping
• Client Relationship Management
• Multidisciplinary Coordination

Job areas

• Engineering
• Energy
• Environmental & Sustainability
• Consulting
• Construction