Senior Mechanical Engineer

Arcadis; Toronto; Hybrid; CAD 150,000 - 225,000; Full time

Job summary

Arcadis is seeking a Senior Mechanical Engineer to join our Buildings Engineering practice in Toronto. You will lead technical delivery, design oversight, and project execution of complex building projects, mentoring teams and engaging directly with clients.

You will oversee HVAC, plumbing, fire protection and controls, drive energy modelling and decarbonization efforts, coordinate with multi-disciplinary teams, manage budgets and schedules, and contribute to business development while upholding

Qualifications

• Bachelor's degree in Mechanical Engineering from an accredited university.
• Professional Engineer (P.Eng.) designation in Canada or ability to obtain registration.
• 8+ years of consulting experience in mechanical building systems design.
• Extensive knowledge of HVAC, plumbing, fire protection, controls, and building automation systems.
• Demonstrated experience leading multidisciplinary engineering projects and teams.
• Strong understanding of applicable building codes, industry standards, and engineering best practices.
• Proficiency with Revit, AutoCAD, and industry-standard mechanical design software.
• Experience with load calculations, energy modelling, and sustainable building design strategies.
• Excellent communication, leadership, and stakeholder management skills.
• Proven ability to manage multiple projects while balancing technical quality, project budgets, and schedules.
• Experience in healthcare, transportation, mission-critical, commercial, institutional, or industrial projects is considered an asset

Responsibilities

• Lead design and delivery of complex mechanical systems for building projects (HVAC, plumbing, drainage, fire protection, controls).
• Serve as mechanical engineering lead for medium to large-scale projects from concept through construction and commissioning.
• Provide technical direction, design oversight, and quality reviews for project deliverables.
• Develop and review engineering calculations, reports, specifications, studies, and construction documents.
• Perform heating and cooling load calculations, equipment selection, energy modelling, and system optimization.
• Coordinate with architectural, structural, electrical, civil, and other engineers.
• Manage project scope, schedule, budget, and resources with project managers.
• Lead site investigations, condition assessments, field reviews, and commissioning activities.
• Identify sustainable and energy-efficient solutions to support decarbonization and net-zero.
• Mentor junior engineers, designers, and technical staff.
• Support proposal development, fee estimates, and client presentations.
• Build and maintain relationships with clients, contractors, stakeholders, and industry partners.
• Contribute to business development opportunities with existing and prospective clients.
• Stay current with codes, standards, technologies, and best practices.

Skills

HVAC design

Plumbing design

Fire protection design

Building automation systems

Leadership

Project management

Client engagement

Energy modelling

Revit

AutoCAD

Engineering calculations

Education

Bachelor's degree in Mechanical Engineering

Professional Engineer (P.Eng.) designation in Canada

Tools

Revit

AutoCAD

Mechanical design software

Job description

Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets.

We are more than 34,000 people, in over 30 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world’s most complex challenges and deliver more impact together.

Role description:

Arcadis is seeking a Senior Mechanical Engineer to join our Buildings Engineering practice. In this leadership role, you will be responsible for the technical delivery, design oversight, and project execution of complex building projects across commercial, institutional, healthcare, transportation, industrial, and mixed-use sectors.

As a senior member of the team, you will lead multidisciplinary project teams, mentor junior engineers, engage directly with clients, and provide technical expertise throughout all phases of project delivery. You will play a key role in driving innovative, sustainable, and resilient mechanical engineering solutions while supporting business growth and strengthening client relationships.

Role accountabilities:

• Lead the design and delivery of complex mechanical systems for building projects, including HVAC, plumbing, drainage, fire protection, controls, and building automation systems.
• Serve as the mechanical engineering lead for medium to large-scale projects from concept through construction and commissioning.
• Provide technical direction, design oversight, and quality reviews for project deliverables.
• Develop and review engineering calculations, reports, specifications, studies, and construction documents.
• Perform and oversee heating and cooling load calculations, equipment selection, energy modelling, and system optimization.
• Coordinate closely with architectural, structural, electrical, civil, and specialty engineering disciplines.
• Manage project scope, schedule, budget, and resource requirements in collaboration with project managers.
• Conduct technical reviews of drawings, shop drawings, RFIs, change orders, and contractor submissions.
• Lead site investigations, condition assessments, field reviews, and commissioning activities.
• Identify sustainable and energy-efficient solutions that support client decarbonization and net-zero objectives.
• Mentor and develop intermediate and junior engineers, designers, and technical staff.
• Support proposal development, fee estimates, project pursuits, and client presentations.
• Build and maintain strong relationships with clients, contractors, stakeholders, and industry partners.
• Contribute to business development activities, including identifying opportunities with existing and prospective clients.
• Stay current with evolving codes, standards, technologies, and industry best practices.

Qualifications & Experience:

• Bachelor's degree in Mechanical Engineering from an accredited university.
• Professional Engineer (P.Eng.) designation in Canada or ability to obtain registration.
• 8+ years of consulting experience in mechanical building systems design.
• Extensive knowledge of HVAC, plumbing, fire protection, controls, and building automation systems.
• Demonstrated experience leading multidisciplinary engineering projects and teams.
• Strong understanding of applicable building codes, industry standards, and engineering best practices.
• Proficiency with Revit, AutoCAD, and industry-standard mechanical design software.
• Experience with load calculations, energy modelling, and sustainable building design strategies.
• Excellent communication, leadership, and stakeholder management skills.
• Proven ability to manage multiple projects while balancing technical quality, project budgets, and schedules.
• Experience in healthcare, transportation, mission-critical, commercial, institutional, or industrial projects is considered an asset

Why Arcadis?

We can only achieve our goals when everyone is empowered to be their best. We believe everyone's contribution matters. It’s why we are pioneering a skills-based approach, where you can harness your unique experience and expertise to carve your career path and maximize the impact we can make together.

You’ll do meaningful work, and no matter what role, you’ll be helping to deliver sustainable solutions for a more prosperous planet. Make your mark, on your career, your colleagues, your clients, your life and the world around you.

Together, we can create a lasting legacy.

Join Arcadis. Create a Legacy.

Our Commitment to Equality, Diversity, Inclusion & Belonging

We want you to be able to bring your best self to work every day which is why we take equality and inclusion seriously and hold ourselves to account for our actions. Our ambition is to be an employer of choice and provide a great place to work for all our people. We are an equal opportunity and affirmative action employer. Women, minorities, people with disabilities and veterans are strongly encouraged to apply. We are dedicated to a policy of non-discrimination in employment on any basis including race, creed, color, religion, national origin, sex, age, disability, marital status, sexual orientation, gender identity, citizenship status, disability, veteran status, or any other basis prohibited by law.

The salary range for this position is $ 106,000 - $159,000. The base salary represents Arcadis’ hiring range for this position. Actual salaries will vary and will be based on various factors, such as location, skills, experience, and qualification for the role.