As a System Mechanical Engineer, you will support the definition, integration, validation, and lifecycle support of mechanical and onboard systems for passenger and freight rolling stock projects.

Working closely with senior engineers and multidisciplinary teams, you will contribute to system integration activities, technical coordination, validation, testing, and engineering documentation while ensuring compliance with safety, quality, and regulatory requirements.

Key responsibilities

Systems Definition & Integration

- Support the development of system requirements, interfaces, and performance criteria for onboard systems such as HVAC, braking, pneumatics, fuel systems, and mechanical interfaces.
- Coordinate interfaces between mechanical, electrical, structural, and software engineering teams.
- Prepare and maintain system documentation, including Interface Control Documents (ICDs) and system descriptions.

Technical Analysis & Risk Management

- Support functional performance assessments and system-level risk analyses, including FMEA and hazard analyses.
- Assist with validating designs against applicable standards and regulations (APTA, AAR, EN, UIC, Transport Canada).
- Review supplier and subcontractor technical documentation.

Verification, Validation & Testing

- Support test planning, verification, and validation activities.
- Participate in testing, commissioning, troubleshooting, and in-service support activities.
- Assist in root-cause analysis and implementation of corrective actions.

Compliance & Collaboration

- Ensure engineering deliverables comply with applicable standards and quality requirements.
- Prepare technical reports, calculations, and certification-related documentation.
- Collaborate with project managers, designers, production teams, suppliers, and clients.
- Contribute to continuous improvement initiatives and engineering best practices.

What We’re Looking For

Education

- Diploma or degree in Mechanical Engineering or a related discipline.





Experience & Technical Competencies

- 3-7 years of experience in mechanical engineering, system integration, or transportation-related projects.
- Experience with rolling stock systems or complex mechanical assemblies is considered an asset.
- Familiarity with system integration and multidisciplinary engineering coordination.
- Familiarity with railway standards and regulatory environments (APTA, AAR, EN, UIC, Transport Canada) is an asset.
- Experience with rail braking systems (pneumatic or electro-pneumatic architectures and components) is considered an asset.
- Experience with rail fuel systems and onboard power generation systems is an asset.
- Proficiency with CAD tools and engineering documentation practices.
- Strong analytical, troubleshooting, and technical problem-solving skills.
- Bilingualism (English/French) is considered an asset.

How You Work

- Structured and detail-oriented approach to engineering work.
- Ability to manage multiple priorities in a project-driven environment.
- Strong communication skills with engineers, project managers, and stakeholders.
- Cooperative mindset and willingness to learn.
- Comfortable working in a fast-paced environment with evolving priorities.

Working Conditions

- Full-time position (40 hours per week).
- Monday to Friday schedule.
- On‑site presence required at the CRWS Montréal office.
- Occasional site visits to client facilities and manufacturing locations.
- Limited travel may be required depending on project needs.
- Flexibility may be required during critical project phases.
- Group insurance and health benefits plan.




- RRSP or retirement savings plan, subject to eligibility.
- Paid vacation and 10 personal days.
- Professional development and training opportunities.
- Flexible work arrangements following probation.
- Opportunity to work on impactful rail projects across North America.

Why Join CRWS ?

- Work on complex rolling stock and transportation projects.
- Collaborate with experienced engineers and technical specialists.
- Gain exposure to multidisciplinary system integration.
- Grow your expertise in a dynamic rail industry environment.

Equal Opportunity Employer

CRWS is an equal prospect employer committed to building an inclusive workplace. We welcome applications from all qualified candidates.

What’s in it for you?

We offer a market‑aligned salary with regular reviews to ensure your compensation reflects your skills and contributions.

Health & wellness coverage

Comprehensive health, dental, and vision insurance to keep you and your family covered, plus wellness programs and EAP support.

RRSP or retirement savings plan

We offer support for long‑term retirement planning.

Generous vacation policy

Recharge with paid vacation and 10 personal days per year.

Access training programs, certifications, and conference opportunities to keep your skills sharp and your career moving forward.

Opportunity to work on complex rolling stock projects across North America.

Working at CRWS

People first. Money later.

At CRWS, we don’t just deliver engineering services — we build the future of railways. As a dynamic and fast‑growing firm, we specialize in rolling stock, rail infrastructure, and project management solutions across North America. With a commitment to technical excellence, entrepreneurial spirit, and sustainable mobility, we are assembling the next generation of leaders in the rail industry.

Join us. Build the future. Shape the railway industry. Grow with us.

📌 System Mechanical Engineer Montreal, Québec
🏢 Canadian Railway Services
📍 Montreal