Software Developer Defence Jobs in Ottawa, ON (NOW HIRING)

Company Description

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.

To be considered for this opportunity, you must be enrolled at a recognized Canadian post-secondary institution and be eligible for a co-op work term during the period specified in the job posting. As part of your application, you must upload proof of enrolment and your most recent academic transcript.

Job Description

Our Sonar Systems team plays a pivotal role in General Dynamics, driving innovation and excellence in Sonar and Sonobuoy Processing Systems. As a Sonar Systems team member, you will assist in carrying out activities such as requirements analysis, software test design, and performing software/systems testing on Sonar and Sonobuoy Processors.

In this role you can expect to:

• Perform systems and software test activities, and execute verification tests as directed by the Test Lead to ensure design requirements are met;
• Working under guidance from a senior engineer, develop and perform test cases to validate specific requirements;
• Assist in analyzing requirements allocated to the Acoustic Processing System;
• Assist in developing technical documentation; and
• Operate and maintain test simulators and equipment.

Qualifications

What You Need to Have to Succeed

• Enrolled as a student in a Systems Engineering, Electrical Engineering, Computer Engineering, or other applicable scientific discipline at a recognized university program.
• Positive approach to learning and trying new things.
• Strong problem solving and root cause analysis skills.
• Ability to work effectively both independently and in a team environment
• Excellent communication

What Makes You Stand Out

• Some project based experience with particular emphasis in the testing role would be an asset
• Working knowledge of formal software lifecycle;
• Experience with Unix-like operating systems;
• Knowledge of DOORS or other requirement management tool would be an asset;
• Practical knowledge of Matlab would be an asset.
• Knowledge and experience with Git or other software configuration management
• Knowledge and experience with RTC, JIRA, or other bug/issue tracking tool would be an asset;
• Development in CIC++ or Python would be an asset
• Experience working with or familiarity with AI/ML models is preferred.

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

Compensation 
The expected hourly rate for this position is $24.92 - $33.23. Final compensation will be determined based on your relevant work experience to date. As part of student placement, you will be eligible for quarterly pay increases.

Why Students Love Working Here

• Purposeful Innovation & Problem Solving: You’ll work alongside experienced professionals and some of the brightest minds in the defence sector, gaining hands-on experience with next-generation technologies. This is a place where your ideas are encouraged, creativity is valued, and you’ll be supported as you learn and help drive modern, practical solutions.
• Connection & Mentorship: Through onboarding to your career journey with us, you will work with teammates that are excited to share their experience and develop your skills. Have meaningful interactions, ask questions, and build relationships that can lead to lasting industry connections.
• Perks & Highlights:
  • Eligibility for future co-ops or full-time roles
  • Flexible work hours and compressed workweek options
  • Hybrid work model (where applicable)
  • Networking opportunities across teams and disciplines
  • Onsite amenities and social events (gym, bike storage, trivia, appreciation events, etc.)
  • Corporate discounts

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