Tetra Tech is adding a Lead Mechanical CAD Designer to our Mechanical team based in Thunder Bay, ON . Our industry-leading experts in engineering and consulting are committed to driving positive change in communities around the world. Our local Thunder Bay office has proudly served the region for 70 years and is now backed by a Global firm of more than 25,000 employees across 500+ offices.

Looking to collaborate and grow with likeminded individuals on challenging and diverse projects. Come join our team to discover your full potential and advance your career, sharpen your skills on exciting and rewarding projects. Locally we specialize in mid-sized projects for clients across Canada and the globe.

Scale of projects ranges includes complete new mineral processing and comminution facilities to single system optimization projects. Phases include concept development, feasibility studies, detailed engineering, and construction support.

Heavy Industrial Facilities

Municipal & Utilities Water Treatment Pipelines and Refineries Our work leverages the industry’s cutting‑edge technologies, software, and hardware to deliver today’s projects successfully. Lead and assume ownership of complete mining and industrial equipment and plant layouts in 3D, including process equipment models, plant design, piping, and interdisciplinary coordination while employing your industry experience ensuring final products meet, safety, code, maintenance and constructability. Provide a confident voice to steer the continuous improvement and growth of our team, standards development, work flows, and softwares and tool sets.

Prepare and oversee Process Flow Diagrams (PFDs), Piping and Instrumentation Diagrams (P&IDs;), general arrangement and detailed drawings, calculations, and bills of material in accordance with established codes, standards, and project specifications. Provide technical leadership, mentorship,



and guidance to junior and intermediate designers to support quality deliverables, technical development, and adherence to quality standards. Review and coordinate mechanical design deliverables to ensure accuracy, constructability, completeness, and compliance with client and project requirements.

Coordinate with engineers, project managers, and multidisciplinary teams to support effective project execution and resolve complex design and layout challenges. Perform field measurements, site inspections, and verification activities related to industrial equipment, systems, and installations. Apply advanced knowledge and sound technical judgment in resolving complex design issues, while supporting continuous improvement of design practices, workflows, and CAD standards.

Support project planning activities including prioritization of design tasks, scheduling of deliverables, and coordination across multiple concurrent projects. Diploma in Mechanical Design, Engineering Technology, related discipline, or equivalent level of work experience. Minimum of 15 years of progressive heavy industrial plant design experience, preferably within the mining and mineral processing industry.

Extensive experience in industrial plant layout and mechanical design involving equipment installations, pumps, piping systems and isometrics, conveyors, chute works, plate works, pump boxes, storage bins, hoppers, and tanks. Strong understanding of industrial design practices, drafting standards, constructability considerations,



and multidisciplinary coordination within heavy industrial environments. Proven experience leading or coordinating complex mechanical design deliverables and providing technical guidance to other designers.

Proficiency with 2D and 3D modelling software including AutoCAD and related design platforms. Strong organizational and time management skills, with the ability to manage multiple concurrent projects and competing priorities. Excellent communication and collaboration skills with the ability to work effectively across engineering, project management, and field teams.

Operational or construction related experience considered an asset. Willingness and ability to travel periodically as needed. 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.

Learning and development opportunities for ongoing professional growth.

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. 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.

Explore our open positions at Follow us on social media to learn more about our people, culture, and opportunities: X (Twitter): @TetraTechJobs

📌 Lead Mechanical CAD Designer (Ontario)
🏢 Tetra Tech
📍 Ontario