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Mott MacDonald

Principal Systems Engineer

Salary:  $162,000 – $199,000 per annum
Location:  Toronto, ON, CA
Location flexibility:  3 office days / week
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Job Description

At Mott MacDonald, we are driven by purpose and powered by brilliant people. As a trusted engineering, management, and development consultancy, we work with clients to solve complex challenges and deliver sustainable outcomes that make a meaningful difference for the communities we serve.

When you join us as an experienced professional, you will bring your expertise to work that matters while continuing to grow your career. You will collaborate with talented colleagues across disciplines and geographies, contribute your perspective, and help shape better outcomes through technical excellence, innovation, and integrity.

Build on your experience while helping shape what comes next. At Mott MacDonald, you'll work alongside talented people on complex and rewarding projects that make a real difference. We value fresh perspectives, encourage collaboration, and provide opportunities to expand your skills, take on new challenges, and grow your career. Whether you're deepening your technical expertise, broadening your leadership experience, or exploring new opportunities across our business, you'll be supported by a team that is committed to helping you succeed.

Mott MacDonald is looking for an individual to develop, support and lead the execution of Rail Systems design projects executed by Mott MacDonald in North America. This individual will develop, initiate, plan, execute, and close-out large and complex projects involving multiple systems disciplines and interfaces to infrastructure design, and construction teams. This role will also work closely with our marketing and business development and regional management teams to identify and pursue opportunities for the Rail Systems team with existing and new clients.

This role reports to the Rail Systems Group Lead within Mott MacDonald Canada.


Key Responsibilities:

  • Provide strategic direction and support for systems engineering and systems assurance activities across Canada and the US as needed
  • Work with clients in an advisory capacity to provide strategic advisory, and support with the planning and delivery of large complex programs and rail projects
  • Develop concept of operations, service, and maintenance plans for rail and transit systems
  • Work with clients to oversee project completion and bringing into use of rail systems in both greenfield and brownfield environments
  • Advise and support clients with the integration of extensions, new maintenance and storge facilities, new rolling stock, and equipment into existing systems
  • Work with clients to improve or develop and implement asset management programs within existing operations
  • Contribute to project pursuits including development of proposals and organizational chart/team structure for project delivery
  • Play key role in project initiation and planning, including hours estimation, schedule development and project execution plan
  • Assist in the on-going review of all System Engineering and Integration processes and practices used within Mott MacDonald
  • Develop and maintain relationships with clients and partners and represent the organization at rail and transit industry events/conferences


Candidate Specification:

  • Bachelor’s degree in Engineering, or equivalent degree (significant relevant experience may be considered in lieu of degree)
  • 20 or more years of experience delivering large and complex infrastructure projects, preferably in rail and transit
  • P. Eng designation in Ontario, British Columbia or Alberta, or eligible for membership
  • Proven experience in the operation, maintenance, or management of design and delivery of the following systems for public infrastructure projects:
    • Traction Power Systems
    • Overhead Catenary Systems (OCS)
    • Power rail systems
    • Communication Systems
    • Signalling and Train Control
    • Tunnel Ventilation control systems
    • SCADA systems for control and monitoring
    • Public Address and Public Visual Information Systems
    • Security Systems (CCTV/Access Control)
    • Rolling Stock/Vehicles
    • Operations and Maintenance facilities/equipment
  • Experience with management of system integration for large and complex systems in major railway infrastructure projects Experience with “right side of Vee” including Verification and Validation, and testing and Commissioning phases of project delivery, including readiness for operation
  • Strong communication skills and fluency in English
  • Ability to work effectively in multidisciplinary teams and lead technical discussions with clients and partners
  • Able to hold competent business discussions with Clients Able to interface with domain specialists, design managers and construction project managers, in a competent professional manner

Bring your expertise, curiosity, and drive to make a difference. If you are ready to join a collaborative consultancy where your perspective is valued, your growth is supported, and you are empowered to lead with integrity, we would love to hear from you.

Benefits & Rewards

The expected salary range for this position is from $162,000 - $199,000.

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.

In addition to base salary, Mott MacDonald offers performance-based bonuses and a comprehensive benefits package, giving employees a direct connection to our success.

The comprehensive benefits and rewards package is designed to support your health, wellbeing, and professional growth. Eligible employees have access to health and dental coverage, wellness resources, retirement savings, insurance and disability protection, paid time off, family leave support, and professional development opportunities. Benefits are subject to eligibility, plan terms, and change.

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 clients, 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 accommodations, please notify us and we will work with you to meet your needs.

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Working at Mott MacDonald

3 office days / week

A little flex time – We’re happy to talk flexible working and how we can support your responsibilities beyond the workplace. We offer a range of options depending on your role, so please discuss this with your recruiter.

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
Collaboration spaces
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
Menopause support
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
Women’s health support
Mental health first aiders
Mental health support
Emergency leave

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
Apply
  • Broad experience of operations, maintenance, and/or delivery within major infrastructure projects
  • Knowledge of Systems Engineering principles and lifecycle management (IEC/IEEE 15288) and experience with implementation to real projects
  • Knowledge of System Safety and Assurance (EN 50126, CMREA)
  • INCOSE ASEP or CSEP certification is desirable
  • Occasional travel is part of the role and it is expected that the successful applicant will be able to travel within Canada and the US to MM locations and project offices
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    Mott MacDonald

    Systems Integration Engineer

    $99,000 – $134,000 per annum

    Vancouver | Calgary | Toronto

    Company employees:

    18,000 worldwide

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

    0:35:65

    Hiring in countries

    Australia

    Bulgaria

    Canada

    Czechia

    Germany

    Hong Kong

    Hungary

    India

    Indonesia

    Ireland

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    Japan

    Malaysia

    New Zealand

    Qatar

    Saudi Arabia

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    Singapore

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    Office Locations