Mechanical engineering Jobs in Waterloo, ON

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GHD is seeking a Senior Energy Engineer – Building Performance to lead energy modelling, energy-code consulting and decarbonization studies for new and existing buildings across Canada. This role will help clients improve energy efficiency, reduce greenhouse gas emissions and optimize whole-building performance.

Working with an energetic and high performing team, this position offers a variety of work and will see you involved in:

• Lead the development of whole-building energy, thermal comfort and indoor air quality models for new and existing buildings, translating design information into reliable simulations and actionable recommendations.
• Provide technical leadership and quality assurance for building-performance studies and energy models, including review of assumptions, inputs, methodologies, calibration and results for accuracy and reasonableness.
• Develop baseline and proposed-design models; quantify energy consumption, peak demand and greenhouse gas emissions; and evaluate savings associated with energy conservation measures.
• Calibrate existing-building models against available utility, metering and operational data, and clearly document data limitations and modelling assumptions.
• Help clients establish energy and carbon-performance targets and develop practical strategies for energy efficiency, controls optimization, electrification and building decarbonization.
• Act as a technical advisor to clients by presenting modelling results, explaining technical and financial implications, and helping prioritize practical energy and carbon-reduction measures.
• Provide performance-based feedback on HVAC design, system selection, controls and operation. Collaborate with architectural, building-envelope, façade, sustainability, mechanical and electrical teams to optimize integrated designs and support applied research.
• Assess and document compliance with applicable energy codes and standards, and prepare modelling submissions supporting green-building certification requirements.
• Prepare energy-code compliance reports and supporting documentation for building permit applications.
• Prepare energy-efficiency incentive applications and supporting technical calculations on behalf of clients.
• Conduct facility site visits and energy assessments to verify existing conditions, collect equipment and operational data, and identify performance-improvement opportunities.
• Develop recommendations for facility improvements, including projected energy and carbon savings, cost estimates, implementation considerations and supporting calculations. Assess simple payback and life-cycle costs to support client decisions.
• Interpret complex specifications, equipment-performance characteristics and technical data, documenting assumptions, limitations and their implications for model results.
• Review design drawings, specifications, equipment shop drawings, testing reports, and operation and maintenance documentation, incorporating verified inputs into building-performance models.
• Analyze utility, metering and building automation data. Undertake sensitivity studies and other building-performance simulations, such as thermal comfort, daylight or airflow analysis, where appropriate to the project.
• Prepare clear technical reports and client presentations, review modelling deliverables for technical quality, and mentor junior engineers and energy modelers.
• Maintain current knowledge of energy codes, modelling methods, industry best practices and emerging building-performance technologies.
• Contribute to proposals, scopes of work and fee estimates; coordinate project budgets, schedules and deliverables; and support ongoing client relationships and business development.

What you will bring to the team:

• Bachelor's degree in mechanical engineering or a related engineering discipline; a master's degree is an asset.
• Professional Engineer ( licensed in Ontario.
• Minimum 10 years of relevant experience in building energy performance, energy modelling, energy management or energy consulting.
• Demonstrated experience developing and reviewing whole-building energy models using software such as IES VE, DesignBuilder, eQUEST or equivalent.
• Strong understanding of HVAC systems, building envelopes, electrical systems, controls and their interaction with whole-building energy performance.
• Strong knowledge of ASHRAE 90.1, NECB and Ontario Building Code SB-10.
• Experience evaluating energy conservation measures, energy and GHG savings, and life-cycle financial performance.
• Strong analytical, technical-writing, client-service and project-management skills, with the ability to lead multiple assignments independently and within multidisciplinary teams.
• Demonstrated ability to review technical deliverables, communicate complex findings clearly and mentor junior staff.

Preferred Qualification:

• LEED AP, Certified Energy Manager (CEM), Certified Measurement and Verification Professional (CMVP), Building Energy Modelling Professional (BEMP) or similar certification.
• Experience with energy audits, building decarbonization, electrification, measurement and verification, model calibration, commissioning or recommissioning.
• Familiarity with the Toronto Green Standard, green-building certification programs and energy-efficiency incentive programs.
• Experience analyzing utility, metering and building automation system data.
• Familiarity with RETScreen, TRACE, HAP, Revit, AutoCAD MEP and data-analysis or programming tools.
• Consulting or energy-management experience, including direct client engagement and proposal development.

Please note:

• The salary range for this position is $73,025 - $123,375. The posted salary range represents the expected hiring range for GHD locations in its major city centres. Ranges may vary for positions in other locations. At GHD, base salary is determined by your skills, experience, qualifications and work location. We are committed to offering competitive compensation and adhere to all relevant pay transparency legislation.
• The use of artificial intelligence (AI) in recruiting is just getting started and may be used during the process to improve efficiency and fairness. Your application may be reviewed by both AI and our hiring team. While AI supports some steps through the process, all final hiring decisions are made by human.
• As a diverse and inclusive organization, we encourage individual achievement and recognize the strength of a diverse workforce. GHD is an equal opportunity employer. Upon request, GHD will provide reasonable accommodation for applicants with disabilities throughout the recruitment and selection process.
• This position is for an existing vacancy.