Junior Software Engineering Developer (New Grad)

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.

Job Description

We are seeking Junior Software Engineering Developers to support the design, development, integration, and testing of mission‑critical software and firmware used in land‑based defence systems. In this role, you will work within Agile, multidisciplinary teams on applied software engineering problems involving systems integration, embedded and firmware development, automated testing, and deployment in complex operational environments. You will contribute directly to production systems across the software development lifecycle, working alongside experienced engineers on real‑world capabilities.

This posting supports multiple junior software engineering opportunities beginning May 2026 and is well suited for recent or upcoming Engineering and Applied Science graduates.

In this role you may…

• Design, implement, integrate, and maintain software and firmware components and plugins for mission‑critical land defence systems.
• Develop software for embedded platforms, ARM processors, microprocessors, and Linux‑based systems.
• Design and implement user interfaces and features aligned with system requirements, including potential exposure to Android application development.
• Build and maintain automated tests (unit, integration, and system‑level) using Python and related frameworks; support lab and field verification.
• Configure, deploy, and maintain development, integration, and test environments (on‑premises, virtualized, or cloud‑based).
• Participate in Agile team ceremonies, including stand‑ups, sprint planning, reviews, and retrospectives.
• Collaborate with engineers across software, systems, hardware, test, and UX disciplines, as well as product owners and scrum masters, to deliver integrated solutions.
• Document code, design decisions, test plans, and integration workflows; participate in technical and code reviews.
• Analyze system behaviour, troubleshoot defects, and propose effective solutions.
• Identify opportunities for technical or process improvements and contribute to best practices.
• Explore and support integration of emerging technologies such as AI‑enabled tools, cloud platforms, and DevSecOps practices.
• Assist with system‑level testing, field trials, and integration activities; communicate updates and system behaviour to stakeholders.
• Build technical skills, expand domain knowledge, and actively contribute to team learning and knowledge‑sharing.

Qualifications

Required

Preferred

How We Work

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.

Additional Information

What We Offer

The expected hiring range for this position is $72,000 – 85,000 CAD annual.

Benefits

Comprehensive medical, dental and vision coverage for you and your eligible dependents, from day one of employment at no cost to you.

Defined Contribution Pension Plan (DCPP) with employer contributions after 3 months of service.

Flexible time away to rest and renew with vacation, holidays, vacation purchase plan and parental leaves (with top up options).

Grow your career your way with free access to a learning platform offering a wide range of courses and resources.

Employee discounts on travel, home and auto insurance, as well as services and activities.

Why join us?

Accommodation

If you require accommodation during any stage of the application process, please contact Human Resources via recruitment@gd-ms.ca.

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.

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