Senior Mechanical Engineer

The Opportunity
Tetra Tech is adding a  Senior Mechanical Engineer  to our  Mechanical Engineering  team based in  Calgary, AB .

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 nearly 60 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.

Our office specializes in small to mid‑sized projects for clients across Canada. The types of clients we work for include:

Heavy Industrial Facilities

Pipelines and Refineries

Mining and Mineral Processing

Municipal & Utilities

Water Treatment

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.

Your Role

Interface with the project team and client as the Mechanical Lead to complete DBM, FEED and Detailed Engineering deliverables.

Prepare basic design and/or engineering reports.

Familiarity with applicable industry codes and standards such as CSA Z662, ASME B31.3, ASME VIII, API 650, API 610, etc.

Prepare and manage material take‑offs and requisition packages, technical evaluations, and vendor document reviews and approvals.

Provide direction to piping designers for pipe specifications, pipe routing and equipment layouts.

Prepare manhour estimates for project scopes and change‑orders for piping/mechanical disciplines.

Provide mechanical input to PIDs for valves, skids, vessels, rotating equipment, SP items, etc.

Prepare Construction / Engineering Work Packages (CWPs, EWPs) and associated evaluations.

Intermediate/Senior Engineers will prepare engineering calculations and reports for the following (based on experience or role):

CSA and ASME Piping wall thickness calculations

API 650 and API VIII calculations

Hot tap calculations (piping, tank, pressure vessel)

Material specifications

Conduct activities in line with internal procedures, legislation, and industry standards.

Pursue continuous professional development and maintain a high degree of discipline knowledge and awareness.

Work in a safe manner at all times and report all health and safety incidents and concerns.

Additional duties as required.

Qualifications

8+ years of experience in Mechanical Engineering.

Bachelor’s Degree in Mechanical Engineering.

Registered as a P.Eng with APEGA (other jurisdictions and asset).

Experience with pipeline facility projects, pump or compressor stations and tank farms.

Experience with Oil Sands Tailings is preferred.

Experience with Rotating Equipment or HVAC is considered an asset.

Previous experience in oilsands MOC projects would be an asset.

Previous field experience in an operating facility or construction would be an asset.

Competency with Bluebeam and Microsoft Office Suite (Outlook, Excel, Word).

Autopipe, Ceasar II, Nozzle Pro, Abacus experience is an asset.

AFT Impulse, Bentley Hammer, SPS experience is an asset.

Strong analytical and problem‑solving skills.

Strong interpersonal skills and ability to work with others and socialize with clients.

Life At Tetra Tech

Comprehensive and market‑competitive benefits, available on day one of employment.

Merit‑based financial rewards.

We have embraced a hybrid culture. Work remote and at our great office location, right in the heart of downtown Calgary.

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. Our 25,000 employees work together to provide 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.

Additional Information:
Organization: 719 ICE

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