Software Engineering Developer, Junior/Intermediate

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 are seeking Junior or Intermediate Software Engineering Developer 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 is for a software engineering opportunity beginning Fall 2026 and is well suited for internal candidates or recent Engineering and Applied Science graduates.

In this role you will

• Design, implement, integrate, and maintain software and firmware components and plugins for mission-critical land defence systems.
• Develop software for Windows desktop and embedded platforms, ARM processors, microprocessors, and Linux-based systems.
• Design and implement user interfaces and features aligned with system requirements
• Build and maintain automated tests (unit, integration, and system-level); support lab and field verification.
• 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.
• 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.

Required

• Bachelor’s degree in Software Engineering, Computer Science, Engineering Physics or a related discipline.
• Experience with at least one modern programming language (i.e., C#, Python, and/or C/C++).
• Experience with build systems, IDEs and tools such as Visual Studio/Visual Studio Code, Make, and CMAKE
• Strong problem-solving and analytical skills.
• Excellent communication skills and ability to collaborate in a multidisciplinary team.
• Enthusiastic contributor, willing to learn new skills, and takes ownership of work.

Preferred

• Experience with DevOps or CI/CD tools and pipelines, including build and dependency-management systems (e.g., Jenkins, GitLab CI/CD, Maven, Gradle, Make, Docker, Kubernetes, Ansible, Terraform).
• Experience with automated testing frameworks and practices, including unit, integration, and system-level testing (e.g., pytest, NUnit, Robot Framework).
• Familiarity with software configuration management tools (e.g., Git, GitLab, Rational Team Concert).
• Scripting and systems-level development exposure, including Bash or PowerShell scripting, Linux command-line usage, and embedded or firmware-oriented environments.
• Understanding of software development methodologies such as Waterfall, Agile or iterative development.
• Knowledge of computer networking concepts and communication protocols (e.g., REST, ZeroMQ, VLANs, Routing, IP, UDP/TCP, Multicast).

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.

What We Offer 

The hiring range for this position is $75,000 - $85,000 CAD annual. 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.