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AtkinsRéalis

Engineering services for infrastructure and energy

Senior HVAC Engineer

Building Services EngineeringConfirmed live in the last 24 hours
Full-timeMississauga, ON, CanadaNo salary listedHybrid

About the Job

Requirements

  • An engineering degree from an accredited university in Mechanical Engineering, Chemical Engineering, or Engineering Science.
  • Registration as a Professional Engineer in a Canadian province, qualified to seal mechanical and chemical engineering documents.
  • At least 15–20+ years of progressive experience in industrial plant, mechanical building services, and infrastructure engineering.
  • Strong knowledge of closed-loop cooling water supply and chilled water supply systems.
  • Experience working in or performing design work for systems within a nuclear facility licensed in Canada or outside Canada.
  • Working knowledge of or experience with CSA B51, ANSI B31.1, ASME B31.3, and other applicable power plant standards or regulatory guides.
  • Demonstrable experience leading a team of technical professionals.
  • Strong written and oral communication skills.
  • Willingness to travel to and potentially work full- or part-time at project sites as needed.
  • Solid understanding of process systems, P&IDs, material selection, equipment design fundamentals, and equipment sizing, selection, and troubleshooting.

Responsibilities

  • Lead detailed design for HVAC and cooling systems, and supervise, train, and mentor junior and intermediate engineers and technologists.
  • Perform complex heat load calculations, equipment sizing for high-capacity chillers, boilers, and pumps, piping and duct sizing, hydraulic modeling, fluid flow analysis, and pressure-drop calculations.
  • Perform conceptual and detailed design activities for HVAC and supporting systems, including preparing ducting and instrumentation diagrams, detailed drawings, and equipment arrangements and layouts.
  • Support design registration submissions related to conventional and/or nuclear power plants and other commercial work.
  • Size and select HVAC equipment, including air handling units, fan coil units, and stacks; prepare technical specifications, datasheets, engineering quotation requests, technical tender evaluations, and vendor document reviews.
  • Review design calculations, analysis reports, documents, and drawings to support design verification.
  • Design specialized environmental systems for Class 1 Zone 1 and Zone 2 hazardous locations.
  • Ensure adherence to local, provincial, and national codes and standards, including OBC, NFC, NFPA (including NFPA 820), ASHRAE, TEMA, API, and AODA.
  • Interface directly with regulatory bodies, including TSSA, MOE, and Enbridge.
  • Define mechanical work scope, perform cost estimates, support proposal preparation, monitor and report project progress, and communicate with clients.
  • Collaborate with architectural, structural, electrical, and process control disciplines to integrate mechanical designs; conduct technical, conceptual, and detailed design meetings with peers, clients, and suppliers; and conduct site visits at project sites and suppliers.
  • Develop vendors and technically evaluate equipment purchases; prepare engineering estimates, budgets, schedules, and deliverables in accordance with Quality Management Systems.
  • Assist with proposal preparation, technical writing, and fee estimates; respond to RFIs and evaluate vendor proposals; prepare and review engineering quotation requests and technical evaluations; and review and approve suppliers' capabilities to fabricate required components to applicable requirements.
  • Review field change notices and shop drawings, conduct site inspections, resolve design deviations, oversee deficiency resolutions, and support commissioning.
  • Provide engineering support for quality surveillance, manufacturing, assembly, and testing involving non-conformances; evaluate the completeness and status of delivered equipment.

Desired Qualifications

  • Experience performing work according to nuclear power plant procedures and practices, with appropriate qualifications for nuclear power plant engineering activities.
  • Familiarity with HAP for load sizing and energy modeling.
  • Familiarity with AFT Fathom for water flow and pipe sizing, and AFT Arrow for duct sizing and pressure drop.
  • Knowledge of or experience using nuclear pressure-boundary codes and standards, including CSA N285.0 and ASME Section III for reactor systems, code classification, code class boundary, and design registration.
  • Knowledge of seismic and environmental qualification methods and processes.
  • Presentation skills and public speaking abilities.
  • ASME B31.1, B31.3, and Section VIII are identified as an asset.

About the Company

AtkinsRéalis

Engineering services for infrastructure and energy

AtkinsRéalis provides engineering services for infrastructure and nuclear projects, connecting people, data, and technology to plan, design, build, and manage systems worldwide. It delivers integrated services through consulting, design, engineering, and project management, using a global team and data-driven collaboration to move projects from concept to commissioning. The company’s global reach and end-to-end capability across conventional engineering and nuclear sectors enable coordinated delivery across multiple disciplines. Its goal is to transform infrastructure and energy systems worldwide by delivering safe, reliable, and efficient engineering solutions.

Company size
10,001+
Company stage
IPO
Headquarters
Epsom, United Kingdom
Founded
1938

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