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

GDMS-C is seeking a Systems Engineer to join our Coalition and Joint Interoperability team working to support Land Command Support System (LCSS) in Ottawa, Canada. The Land Command Support System (LCSS) is the system of systems that primarily supports the Canadian Army in operations by providing commanders with the information services required to make effective and timely command and control decisions about their forces. It is an interconnected network of digital communications and information systems by which the data needed to plan, direct and control tactical and operations is communicated, stored, processed and displayed.

In this role, you will be responsible for implementing and maintaining systems that enable seamless communication and data exchange across coalition and joint military operations. You will work with cross-functional teams to ensure interoperability standards are met and systems integrate effectively across diverse platforms and environments.

Responsibilities

Engineer and optimize IP network systems, including development of diagnostic methodologies, design of VLAN architectures, and validation frameworks for Cisco Systems network devices and VoIP platforms to ensure performance, scalability, and reliability. Support software verification and integration engineering activities to ensure interoperability across multiple platforms and stakeholders, run system‑level test suites, and formally document test results, and analysis. Review and update system design documents, use-cases and procedures. Collaborate with coalition partners and internal teams to identify interoperability challenges and develop solutions. Participate in team document reviews and provide feedback. Participate in interoperability assessments and compliance reviews against established standards and protocols. Devise and implement correction actions in the software test environment in Linux, Windows, Virtual Machines. Use requirements, configuration management and test management tools (e.g., JIRA/Confluence, Ansible, Python Scripts)

Qualifications

What You Need to Have to Succeed

Bachelor's degree in Engineering/Computer Science/Applied Science or related technical/scientific degree. Hands on experience (co-op, internship or entry-level role) with: Linux (Ubuntu or RedHat) and Windows Server/Desktop environments Basic scripting (Python, Bash, PowerShell) for automation or data processing Documenting test results and presenting findings to technical audience Understanding of networking technologies and protocols Strong interest in networked computer systems and desire to grow in this field Strong written and oral communications skills Ability to work effectively in collaborative, fast-moving Agile team Excellent analytical and problem-solving skills with the ability to work through complex technical challenges Experience working with or familiarity with AI/ML models is preferred. Ability to obtain or maintain a security clearance as required by the role What Makes You Stand Ou

Familiar with Scrum or SAFe Framework and ceremonies Exposure to defence industry or DND/CAF environments, especially LCSS/LC4ISR communication systems Experience with automation tools such as Ansible, Squish and Python Basic Cisco VOIP knowledge and general IP networking concepts Understanding of hypervisors/virtual environments and ability to create/maintain VMs Experience with test and build automation Familiarity with system engineering processes and documentation standards Knowledge of Microsoft PowerShell

Additional Information

The hiring range for this position is $75,000 - $80,000. 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

At General Dynamics Mission Systems–Canada, we prioritize work-life balance. As a fulltime regular/term employee, you can enjoy a supportive, friendly and respectful environment with a competitive total rewards package.

Comprehensive medical, dental and vision coverage for you and your eligible dependents, from day one of employment at no cost to you. Flexible benefit options available (including HCSA). Emergency medical travel insurance. 24/7 virtual health care services. Employee & Family Assistance Program (EFAP) – counselling, life coaching, lifestyle change support, and financial planning. Onsite fitness facilities & employee resource groups. Defined Contribution Pension Plan (DCPP) with employer contributions after 3 months of service. Access to financial advisors for investment advice and comprehensive financial planning. Voluntary Registered Retirement Savings Plan (RRSP) accessible from day one. Flexible time away to rest and renew with vacation, holidays, vacation purchase plan and parental leaves (with top up options). Sick leave and disability programs. Grow your career your way with free access to a learning platform offering a wide range of courses and resources. Educational Assistance Program to support formal learning. Self-directed mentoring opportunities. Reimbursement for professional and industry-related memberships and dues. Employee discounts on travel, home and auto insurance, as well as services and activities. Free onsite parking. Annual scholarship program for children of GD employees. Employee social clubs and recreational activities. 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 ensure 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. You’ll work on high-profile, impactful projects that challenge your skills, expand your expertise, and provide opportunities to learn from experienced mentors and grow as an early-career professional. We encourage internal mobility so you can explore different business areas, broaden your skillset, and expand your network. 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.