Senior Building 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. Your impact We are seeking Senior Building Mechanical Engineers to join our team in Toronto, ON . You will need exceptional design and analytical skills to plan, design and focus on HVAC, plumbing, and fire sprinkler systems for water and wastewater treatment‑related facilities, which typically feature process treatment buildings, but can also include administration and operations buildings, laboratories, maintenance buildings, or occasional assignments for other business units, including federal and military programs, industrial, and institutional projects. You will support building mechanical design services of systems in areas of potable and non‑potable water distribution, building and roof drainage systems, HVAC systems, fire protection and odor control assets as well as central hydronic plant design (boilers, chillers, cooling towers); and designing central utilities and process exhaust systems for manufacturing, lab, and office spaces. As a senior in the team, you will also be expected to lead design teams to the successful delivery of projects, while ensuring the team's accountability and quality. Typical duties include applying intensive and diversified knowledge of mechanical engineering principles and practices to technical writing, construction drawing and specification production for submission to clients and jurisdictional plan check; permitting shop drawing review; and responding to requests for information during construction. Engineered systems include, but are not limited to, package systems, central plants, air distribution, hydronic systems, plumbing systems, and controls. Knowledge of fire protection systems is also desirable. Responsibilities Design complete HVAC systems, including package type and central plants Design HVAC Controls systems with integration into Building Management Systems and SCADA Systems Design complete Plumbing systems, including utility and potable distribution systems, drainage systems, and miscellaneous systems such as compressed air and natural gas Design fire protection systems using a performance system approach Perform calculations for HVAC loads, duct and pipe sizing, life‑cycle costs, and energy analyses Prepare calculations for plumbing systems, including water and drainage flows, water heater sizing and pump sizing and selection Prepare detailed design drawings and specifications Prepare Basis of Design reports and Technical Memorandums Select equipment, vendor coordination, and edit specifications Conduct field evaluations and develop as‑built drawings Manage and coordinate work with engineers and technicians of other disciplines and architects Lead meetings and communicate with clients, vendors, and other project stakeholders to establish project needs and discuss design issues Manage quality and schedule of work and interface with clients Manage project budgets, including estimating efforts to complete Support field staff during construction phase of projects, including responding to submittal reviews and requests for information Requirements Bachelor’s degree in mechanical engineering or other related degree 15+ years experience in producing HVAC, plumbing, and fire protection designs and providing services during construction for design‑build projects Active Professional Engineer (P.Eng) license Ideally, You’ll Also Have Construction site experience, including history of working in a corporate engineering environment Experience in preparing basis of design reports, detailed design drawings and specifications Proficiency with building load calculations software using Carrier HAP or Trane Trace software Working knowledge of applicable building codes and standards including ASHRAE, NFPA, SMACNA, CSA, IBC, IECC, etc. Experience preparing technical specifications and reports Strong analytical, interpersonal and organizational skills Ability to effectively interface and communicate with project team members, management, and clients Ability to effectively manage project workload, budgets, schedules and an ability to work with, lead, and mentor junior engineers A strong sense of being self‑motivated and an ability to work productively without supervision Certification in a recognized sustainability rating system (LEED, Passive House, etc.) Recent project experience in delivering projects for Metro Vancouver and/or Toronto Water A demonstrated ability to lead teams of designers and engineers The base salary range for this position is $132,500.00 to $172,000.00. 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. #J-18808-Ljbffr