Flexa
Discover companiesFind a jobResourcesSign in/up
For employers
< Back to search
Mott MacDonald • Toronto, ON, CA

Senior Mechanical Engineer

Employment type:  Full time
Salary:  $120,000 – $145,000 per annum
View company profile
Apply now

Job Description

At Mott MacDonald, we trust our brilliant people to do brilliant things in engineering, management, and development services, supporting multisector project work in over 150 countries. As one of the largest employee-owned companies in the world, we pride ourselves on our ability to deliver exceptional outcomes through our network of 20,000+ talented consultants. With sustainability and innovation at the heart of all our sectors in North America, including, Buildings, Energy, Transportation, and Water.

We believe in empowering our people to excel, learn, and grow, offering diverse opportunities to contribute to career-defining work. Join us and be part of a collaborative environment where your ambitions are united with ours, and you can truly shape your story.

If you share that vision, even if you don’t meet every requirement listed, we’d still love to hear from you. We value potential and diverse perspectives as much as experience. Let’s explore how we can support your growth and help you take the next step in your career, while contributing to an exciting new chapter for Mott MacDonald in North America.

Mott MacDonald is currently seeking a highly motivated Senior Mechanical Engineer to join our dynamic team of professionals in our Toronto location. You will work in a professional environment with an established building services team where you will be offered the opportunity to work on an exciting range of projects, and to continue your professional development.

As a Senior Mechanical Engineer, working as an integral part of the Built Environment (buildings and facilities) team, your duties will include but not be limited to the following:

  • Managing the delivery of assigned projects
  • Working and liaising with associated engineering disciplines as part of delivering projects
  • Managing internal and external stakeholders, ensuring client satisfaction and pursuing and promoting opportunities with existing as well as prospective clients
  • Developing engineering from a feasibility stage to completion, and articulation to the support team
  • Development of resilient and redundant services infrastructure solutions
  • Working as part of a multi-discipline team to deliver projects
  • Working with the leadership team to grow the Mechanical team in Canada and the overall footprint of the business
  • Co-ordinating mechanical design with architectural and other disciplines
  • Carrying out design and calculation work using relevant industry software
  • Developing, maintaining and monitoring programs for scheduling and reporting on deliverables across specific projects
  • Maximizing profitability of projects, monitoring against budget, reacting and anticipating potential problems and communicating in line with client expectations
  • Demonstrating technical expertise, providing in-depth knowledge and leadership whilst proactively coaching and developing more junior team members
  • Providing expert engineering input into design; and evaluation of built environment proposals.
  • Mentoring other Mechanical Engineers and Designers and support developing their growth plans with the Mechanical Discipline Lead.

The ideal candidate will have the following experience:

  • Bachelor degree in Mechanical Engineering from an accredited university
  • Professional Engineer status with a relevant professional body in Canada
  • At least 10 years’ relevant experience in mechanical building services design and execution for major development with a consultancy and/or design and build background.
  • Experience of working in various infrastructure projects including buildings, airports, and large-scale transport infrastructure
  • Solid knowledge in Canada building standards, codes and regulations
  • Excellent understanding of BIM/VDC, preferably with experience in a BIM tool
  • Experience in the design of plumbing and drainage systems
  • Skills in sustainability and green initiatives, with a demonstrated track record
  • Positive ‘can-do’ attitude, to working with colleagues and clients.
  • Familiar with energy modelling software such as IESVE, Trace and HAPP
  • Experience in LEED, with LEED accreditation preferred.
  • A collaborative, open and constructive approach with developed relationship management, interpersonal and influencing skills.
  • A digital and sustainability advocate.
  • Adaptable to working within different client environments/cultures.
  • Willing and able to travel within Canada and internationally as required to support projects.

At Mott MacDonald, our employees have a stake and a voice in our business, providing them with a direct connection to our success through our personal and group performance bonuses.

Multiple factors such as qualifications, overall experience and position responsibilities will be used to determine the successful candidate's actual salary within the expected range.

The expected salary range for this position is from $120,000 - $145,000.

This posting is for an existing vacancy.

Collaboration at Our Core

At Mott MacDonald, we believe great ideas happen when we're together. Our hybrid approach centers on an in-office culture, with most of your time spent collaborating face-to-face and a minimum of three days per week in the office. We balance flexibility with connection, so you and your manager can choose how to meet client, team, and personal commitments.

We seek to promote fair employment procedures and practices to ensure equal opportunities for all. We encourage individual expression in our workplace and are committed to creating an inclusive environment where everyone feels they have the opportunity to contribute.

We are an equal opportunity employer and are committed to providing employment accommodation in accordance with the Ontario Human Rights Code and the Accessibility for Ontarians with Disabilities Act, 2005 (AODA). Mott MacDonald Canada Limited will provide accommodations to job applicants with disabilities throughout the recruitment process. If you require an accommodation, please notify us and we will work with you to meet your needs.

Apply now

Company benefits

Accrued annual leave
Adoption leave – 26 weeks full pay
Annual bonus
Annual pay rises
Bank holiday swaps
Bike parking
Book swaps
Buddy scheme
Buy or sell annual leave
Carer’s leave – up to 5 days, two of which are paid
Compassionate leave
Critical Illness Insurance
Cycle to work scheme
Dental coverage
Employee assistance programme
Employee discounts
Enhanced maternity leave – 26 weeks full pay
Enhanced paternity leave – 2 weeks
Enhanced pension match/contribution – matched up to 7%
Enhanced sick pay
Ergonomic workstations
Eye Care Support – Eyecare vouchers
Faith rooms
Fully stocked snack cupboard
Further education support
Health assessment
In house training
Income protection
L&D budget
Learning platform
Life assurance
Life insurance – 4 x salary
Lunch and learns
Meditation space
Meditation space
Mentoring
Modern office
On-site shower
On-site yoga classes
Open to part time work for some roles
Open to part-time employees
Pregnancy loss leave
Pregnancy support
Private booths
Private GP service – Private Medical care for all UK staff
Professional subscriptions – We pay for your primary professional annual subscription
Referral bonus
Religious celebration leave
Reservist leave – 10 days leave
Returnship
Salary sacrifice
Share options
Shared parental leave – We match up to 24 weeks full pay
Study support
Tax-free childcare
Teambuilding days
Theme park discounts
Travel loan
Women’s health leave
Menopause support
Women’s health support
Collaboration spaces

Working at Mott MacDonald

Company employees:

18,000 worldwide

Gender diversity (m:f:n-b):

0:35:65

Hiring in countries

Australia

Bulgaria

Canada

Czechia

Germany

Hong Kong

India

Ireland

Italy

Japan

Malaysia

New Zealand

Serbia

Awards & Accreditations

Best Employee Wellbeing

Top 5 - Best Employee Wellbeing

Flexa awards 2026
Best Career Progression

Top 10 - Best Career Progression

Flexa awards 2026
2nd - Best Career Progression

2nd - Best Career Progression

Flexa awards 2025
3rd - Most Family Friendly Company

3rd - Most Family Friendly Company

Flexa awards 2025
Best Work-Life Balance

Top 5 - Best Work-Life Balance

Flexa awards 2025
Most Flexible Company

Top 5 - Most Flexible Company

Flexa awards 2025
Best Workplace Culture

Best Workplace Culture

Flexa awards 2025

Other jobs you might like

  • Mott MacDonald

    Senior Electrical Engineer

    $120,000 – $145,000 per annum

    Toronto, ON, CA

Flex spring

Join the mailing list

Get the latest insights and expert guidance on job hunting, career progression, and creating thriving workplaces.

Enter your email
  • About us
  • Contact us
  • FAQs
  • Info for employers
  • Join Flexa
  • Legal
  • Live feed
  • Pioneer awards
  • Resources
  • Sign in/up
  • The Flexa awards
Flexa

Singapore

South Korea

Spain

Taiwan

Thailand

United Arab Emirates

United Kingdom

United States

Office Locations

  • Mott MacDonald

    Senior Structural Engineer

    $120,000 – $145,000 per annum

    Toronto, ON, CA

  • Mott MacDonald

    Senior Mechanical Engineer

    Bengaluru, KA, IN; Noida, UP, IN

  • Mott MacDonald

    Project Engineer

    $100,000 – $122,000 per annum

    Toronto, ON, CA

  • Mott MacDonald

    Senior Mechanical Engineer

    SG