Process Mechanical Engineer

At Jacobs, we’re challenging today to reinvent tomorrow by solving the world’s most critical problems for thriving cities, resilient environments, mission‑critical outcomes, operational advancement, scientific discovery and cutting‑edge manufacturing, turning abstract ideas into realities that transform the world for good.

We challenge what is currently accepted, so we can shape innovative and lasting solutions for tomorrow. If you are interested in a long and rewarding career working with the industry’s best and most innovative engineering employers, then Jacobs is where you belong.

As a Process Mechanical Engineer aligned to the Toronto office, you will join a core group of wastewater and mechanical engineers and designers on studies, designs, and field assignments to deliver innovative solutions to challenging technical problems that our clients face. Your assignments will focus on water/wastewater projects.

• Evaluation and selection of process equipment, pumping systems, pipe materials, and valves.
• Evaluation of process mechanical systems to determine the best approaches to solve client challenges.
• Understanding and communicating complex problems and solutions with clients.
• Planning and design for full‑scale treatment systems and treatment plant improvements for construction.
• Development of facility layouts and process & instrumentation diagrams (P&IDs).
• Development of construction documents, including drawings and specifications.
• Data analysis and hydraulic modeling.
• Technical report writing.
• Bidding and permitting services support.
• Construction services support.
• Field inspection of treatment/mechanical equipment.

• Bachelor’s degree in mechanical engineering, chemical engineering, or a related engineering discipline.
• Professional Engineer (P.Eng.) license in Ontario.
• A minimum of 6 years of progressive process mechanical engineering and project delivery experience with municipal water and/or wastewater treatment, including planning, evaluations, and design.
• Educational emphasis and a strong interest in treatment and/or mechanical system design and operation.
• Self‑motivation, team‑oriented work practices, strong data analysis skills, technical problem‑solving ability, organizational skills, and the ability to effectively multi‑task in a fast‑paced environment.
• Proficient skills with MS Office Suite (Word, Excel, PowerPoint).

• Master’s degree in a related engineering discipline.
• 8 or more years of direct experience in municipal wastewater treatment or process mechanical for water/wastewater treatment plants and pump stations.
• Hydraulic modeling skills (e.g., AFT Fathom, Pipe‑Flo).
• Construction or facility operations experience.
• Active in relevant professional organizations.
• Experience working and communicating directly with clients.

The base salary range for this position is $90,000.00 to $. This range reflects the minimum and maximum target for new hire salaries for the position across Ontario, Canada locations. Within the range, individual pay is determined by work location and additional factors, including job‑related skills, experience, and relevant education or training. This job posting is for an existing vacancy.

At Jacobs, we use AI‑driven recruitment to match top talent with opportunity—however, human connection and fairness remain at the heart of every hiring decision.

Jacobs welcomes and encourages applications from people with disabilities. Accommodations are available on request for candidates taking part in all aspects of the selection process. To request an accommodation, please select here.

We value collaboration and believe that in‑person interactions are crucial for both our culture and client delivery. We empower employees with our hybrid working policy, allowing them to split their work week between Jacobs offices/projects and remote locations enabling them to deliver their best work.

Your application experience is important to us, and we’re keen to adapt to make every interaction even better. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team via Careers Support.