Senior Java Software Engineer Jobs in Nova Scotia

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.

In this role, students support software development activities for mission-critical systems within the Air & Naval Sonar Systems group. Students gain hands-on experience in software design, implementation, testing, and documentation under the guidance of senior engineers. This position provides exposure to the full software development lifecycle and modern development practices, including object-oriented programming and test-driven development.

In this role you can expect to:

• Assist in the design, analysis, and implementation of software features to meet system requirements.
• Develop, maintain, and document software in languages such as C++, C, Java, and Python.
• Support integration of software with third-party equipment and internal systems, including analyzing interface specifications.
• Participate in software testing, including unit, integration, and verification tests, and document results under guidance.
• Prepare technical documentation, such as requirements, design notes, test plans, and reports, following standard templates.
• Investigate system problem reports, support root cause analysis, and assist in resolving software issues.
• Maintain the codebase in accordance with coding standards and configuration management practices.
• Collaborate with team members, share ideas, and present work during design or peer reviews.
• Support internal customers and contribute to high-level integration and qualification testing.

What You Need to Have to Succeed

• Currently pursuing a bachelor’s degree in Software Engineering, Computer Engineering, Electrical Engineering, Computer Science or a related technical/scientific field.
• Understanding of Software Engineering principles and software development lifecycle.
• Strong analytical, problem-solving, and root cause analysis skills.
• Effective communication skills and ability to work independently and collaboratively.
• Enthusiastic, motivated, and willing to learn under guidance from senior engineers.

What Makes You Stand Out

• Experience with programming or scripting languages such as C++, C, Java, or Python.
• Exposure to object-oriented programming and test-driven development.
• Familiarity with software testing concepts, verification, and validation.
• Experience with technical writing and documentation.
• Knowledge of configuration management and version control tools such as Git.
• Exposure to integration with third-party equipment or system interfaces.
• Experience working with or familiarity with AI/ML models.

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.

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.