Mechanical Engineering Developer

Build bold. Deliver impact. Win together.

At General Dynamics Mission Systems–Canada, we’re not just engineering technology — we’re shaping the future of defence and security. Our teams design and deliver advanced, mission-critical solutions that enhance national security, strengthen communities, and protect the people we serve.

If you’re looking for meaningful work that contributes to a safer, more secure world, you’ll find purpose here. Every day, your skills will directly impact programs that matter.

We're looking for a Mechanical Engineer to support the development of mechanical designs and engineering systems across various products and programs within the organization.

As a member of this team, you will work collaboratively to develop high quality component, subsystem, and system designs capable of withstanding the harsh environmental conditions typical of military platforms.

You should possess a strong aptitude for problem-solving through the application of engineering principles in a multidisciplinary environment. A team oriented mindset and focus on achieving positive outcomes are essential.

Primary Responsibilities:

• Support the full product design life cycle from requirements definition and concept development through to production ramp-up. This includes prototype procurement, assembly, design verification and qualification testing, and ongoing manufacturing support.
• Collaborate with Systems Engineers and Senior Mechanical Engineers to review, derive, and verify mechanical and environmental requirements from higher level system requirements.
• Provide technical direction on the creation of mechanical concepts, designs, and drawings of electronic enclosures and other mechanical systems for rugged environments using tools such as 3D solid modeling and simulation software.
• Work closely with other design professionals (e.g., PCB Designers, Hardware Engineers, Systems Engineers), Supply Chain Management, and Manufacturing Engineering to ensure a smooth project workflow.
• Deliver presentations at internal design reviews and other peer, management, or customer reviews.
• Perform environmental engineering tests such as thermal cycling, vibration, and shock in the test lab for both qualification and design verification purposes.
• Support Root Cause and Corrective Action (RCCA) investigations.
• Collaborate with Manufacturing to develop and refine Assembly Methods Instructions (AMIs).
• Review and approve Product Data Changes and the supporting justification data.
• Participate in continuous improvement initiatives focused on design quality and efficiency.
• Mentor and review the work of junior designers.
• Stay informed on the latest technologies, products, and market trends relevant to your area of work.
• Perform other related duties as assigned.

• A Bachelor's degree in Mechanical Engineering, Applied Science, or a related technical field.
• Minimum 5 years of experience in mechanical design or systems development.
• Experience with environmental testing (thermal, vibration, shock) and use of test equipment.
• Strong analytical skills in structural, dynamics and thermal analysis
• Working Knowledge in:
  • finite element analysis tools and techniques
  • Manufacturing processes and design for manufacturing and assembly
  • company, military, and/or industrial engineering standards and procedures (e.g. MIL-STD-810) is an asset
  • Engineering Development Framework (INCOSE System Engineering Principles)
• Experience working with or familiarity with AI/ML models is preferred.

How We Work

• Work Schedule: 37.5 hours per week

It is a requirement that General Dynamics Mission Systems-Canada be registered with the Canadian Controlled Goods program and that all of its workforce be security assessed. Successful applicants must meet all applicable security requirements, including but not limited to the ability to obtain and maintain a Canadian government security clearance. Applicants may be required to meet additional security requirements in order to gain access to technical data, classified areas or information that is subject to international regulations. You must be eligible to work in Canada.

The hiring range for this position is $105,000 to $138,000.Our goal is to provide a fair and competitive offer based on an assessment of internal equity and your qualifications, including:

• Relevant experience
• Technical and non-technical skills
• Education and certifications

Benefits
As a full-time employee at General Dynamics Mission Systems–Canada, you’ll enjoy a competitive total rewards package that supports your professional and personal well-being:

• Comprehensive medical, dental, and vision coverage for you and eligible dependents from day one (no cost), including flexible benefits options (HCSA) emergency travel insurance, and 24/7 virtual care services.
• Employee & Family Assistance Program (EFAP), onsite fitness facilities, and employee resource groups.
• Defined Contribution Pension Plan with employer contributions after 3 months, RRSP access from day one, and financial planning support.
• Flexible time off including vacation, holidays, parental leaves with top-up options, sick leave, and disability programs.
• Career development through learning platforms, educational assistance, mentoring, and reimbursement of professional memberships.
• Additional perks such as employee discounts, free onsite parking, social clubs, and an annual scholarship program for employees’ children.

Why join us?

• Purposeful Innovation: You’ll work on innovations that genuinely make a difference. You’ll apply advanced thinking, design expertise, and practical problem-solving to help equip military and allied forces with leading-edge systems. You’ll be surrounded by some of the brightest minds in the defence sector, contributing to next-generation technologies in an environment that celebrates creativity, new ideas, and modern solutions.
• Connection: We believe people do their best work when they feel they belong, and their ideas can flourish. Different perspectives, experiences, and ways of thinking help us innovate and grow. Strong relationships with our teammates help us unite, overcome challenges, and deliver the world-class quality we’re known for. Here, we are committed to inclusivity and ensures every individual feels valued, respected, and empowered.
• Challenging and Rewarding Career Pathways: Your career path matters to us. From mentorship and regular check-ins with your leader to educational support, professional certifications, and continuous training, you’ll have the resources you need to thrive. We encourage internal mobility so you can explore different business areas, broaden your skillset, and expand your network. You’ll be working on high-profile, impactful projects that challenge your skills, expand your expertise, and allow you to both learn from mentors and guide others along the way.

Accommodation 
If you require accommodation during any stage of the application process, please contact Human Resources via [email protected].

Closing Date
We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible.