Senior Sustainability Consultant

Senior Sustainability Consultant; Ottawa; On-site; CAD 110,000 - 140,000; Full time

Job summary

Stantec Buildings Group is seeking a Senior Sustainability Consultant in Ottawa, ON with a mechanical engineering background to advise on building energy systems, energy efficiency, and sustainability strategies. You will contribute to studies, master planning, and technical memos while collaborating with multidisciplinary teams to deliver client-focused solutions.

The role requires a strong mechanical background, experience in energy studies, and the ability to translate complex engineering

Qualifications

• 7+ years of experience in consulting engineering and/or sustainability consulting
• Bachelor’s degree in mechanical engineering or equivalent, P.Eng eligible
• Strong understanding of building mechanical systems (HVAC, hydronics, heat pumps)
• Experience with energy studies, system evaluations, retrofit analyses, or district energy projects
• Familiarity with National and Ontario Building Codes and ASHRAE standards
• Experience with energy modeling tools (IES) is a plus
• Life Cycle Assessment and embodied carbon analysis experience is a plus
• Strong technical writing and client-facing communication skills
• Willingness to travel within Canada and valid driver's license
• French language skills are an asset

Responsibilities

• Provide senior technical advisory on building energy systems to support sustainability and performance
• Lead or support energy, electrification, and decarbonization studies for buildings and portfolios
• Evaluate mechanical system options on performance, constructability, and lifecycle
• Prepare technical reports and feasibility studies translating complex concepts into client recommendations
• Support early-stage concept development with multidisciplinary teams
• Review mechanical designs to ensure alignment with energy objectives
• Contribute to energy master planning and retrofit studies
• Mentor junior staff in system analysis and study methodologies
• Assist proposals and client discussions related to sustainability services

Skills

Mechanical engineering expertise

Energy modelling

Technical writing

Client communication

Leadership & mentoring

Education

Bachelor's degree in mechanical engineering

Tools

IES

Job description

Description

Our Stantec Buildings Group provides services across all phases of the project life cycle, from pre‑project planning and strategic studies through detailed design support, construction, operations, and long‑term asset planning. This is where technically rigorous, forward‑looking solutions are developed to support our clients’ most complex challenges.

Working collaboratively across disciplines, our team delivers integrated sustainability and building performance consulting services for projects in healthcare, industrial facilities, education, civic, commercial, aviation, and large‑scale developments. Our focus is on helping clients make informed decisions around energy systems, low‑carbon pathways, and long‑term building performance, grounded in strong engineering fundamentals.

An opportunity exists in Stantec’s Ottawa, ON office for a Senior Sustainability Consultant with a mechanical engineering background to join our multidisciplinary team. In this role, you will apply your mechanical engineering expertise to support sustainability and energy consulting services, supporting projects through analysis, strategy development, and technical advisory.

Responsibilities

• Providing senior technical advisory services on building energy systems, leveraging a mechanical engineering background to support sustainability and performance – driven decision making.
• Leading or supporting energy, electrification, and decarbonization studies for new and existing buildings, campuses, and portfolios.
• Evaluating mechanical system options from a performance, constructability, and lifecycle perspective, including heat pumps, central plants, district energy, and hybrid systems.
• Preparing technical reports, feasibility studies, and advisory memos that translate complex engineering concepts into clear recommendations for clients and project teams.
• Supporting early – stage concept development in collaboration with mechanical, electrical, architectural, and planning teams.
• Reviewing mechanical designs and system strategies to ensure alignment with project energy and performance objectives (without serving as the discipline designer or EOR).
• Contributing to energy master planning, retrofit planning, and system transition studies for complex facilities.
• Collaborating closely with project managers and discipline leads to integrating sustainability and energy analysis into project delivery.
• Mentoring junior sustainability and engineering staff, providing guidance on system analysis, technical writing, and study methodologies.
• Supporting proposals, client discussions, and pursuit efforts related to sustainability and building performance services.

Qualifications

• 7+ years of experience in consulting engineering and/or sustainability consulting, with demonstrated experience applying mechanical engineering knowledge in an advisory capacity.
• Bachelor’s degree in mechanical engineering (P.Eng eligible or registered) or equivalent experience.
• Strong understanding of building mechanical systems, including HVAC, hydronics, heat pumps, and central energy systems.
• Experience participating in or leading energy studies, system evaluations, retrofit analyses, or district energy projects.
• Familiarity with the National and Ontario Building Codes and ASHRAE standards.
• Experience with energy modeling tools (e.g., IES) is considered an asset.
• Life Cycle Assessment (LCA) and embodied carbon analysis experience is considered an asset.
• Strong technical writing skills with the ability to produce clear, client‑ready reports and recommendations.
• Excellent communication and collaboration skills; comfortable working across disciplines and with senior client stakeholders.
• Eligible to obtain PSPC Secret Clearance (existing clearance considered an asset).
• Organized, self‑motivated, and able to manage multiple assignments in a consulting environment.
• Ability to travel within Canada as required; valid driver’s license required.
• French language skills are considered an asset.

This description is not a comprehensive listing of activities, duties or responsibilities that may be required of the employee and other duties, responsibilities and activities may be assigned or may be changed at any time with or without notice.