Computer Systems Manager Jobs in Ontario (NOW HIRING)

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 a Systems Engineering Analyst to provide on-site engineering support for airborne mission systems. The successful candidate will support operational stakeholders through technical analysis, problem-solving, reporting, system investigation, and knowledge transfer. This role is well suited to a systems engineering professional with strong critical thinking skills and the ability to work effectively in highly technical, customer-facing environments.

A key aspect of this role is working directly alongside customers and operational teams in a secure environment. This close collaboration enables timely problem resolution, a deeper understanding of operational requirements, and the opportunity to build trusted relationships with stakeholders. 

Key Responsibilities

• Provide on-site engineering support for operational systems, including electronic warfare and mission support environments
• Diagnose complex failure conditions and perform in-situ repair and modifications on a variety of electrical and computer related systems
• Perform routine preventive and corrective maintenance tasks – monitoring calibration requirements, creating backups, ordering replacement parts
• Lead and support technical investigations related to system, software, subsystem, equipment, and facility issues
• Prepare status materials and conduct regular status meetings with stakeholder representatives, including customer and contractor teams.
• Provide technical guidance and on-the-job training to support personnel on system functionality, operational procedures, and tools
• Analyze requirements and contribute to verification planning, test coverage analysis, and system validation activities
• Develop, review, and maintain technical documentation, test procedures, and reports
• Collaborate with multidisciplinary teams, including systems, software, test, customer support, and program stakeholders
• Identify risks, communicate technical status, and recommend practical solutions to support operational readiness

• Bachelor’s degree in Engineering, Computer Science, Systems Engineering, or a related technical discipline, or an equivalent combination of education and experience
• A minimum of 4 years' relevant engineering experience
• Experience supporting complex defence, aviation, communications, electronic warfare, or mission systems
• Strong problem-solving and root-cause analysis skills in hardware, software, or integrated systems environments
• Ability to communicate technical information clearly to customers, stakeholders, and cross-functional teams
• Experience working in secure or controlled technical environments.
• Eligibility to obtain and maintain required security clearances and controlled goods/ITAR-related approvals, as applicable
• Experience working with or familiarity with AI/ML models is preferred.

Preferred Qualifications

• Experience with Electronic Warfare Operational Support
• Familiarity with requirements management and test tools such as IBM DOORS, RTC EWM, or similar platforms
• Experience creating or maintaining test procedures, qualification test documentation, technical reports, or verification evidence
• Experience providing customer-facing engineering support in an operational or field environment
• Knowledge of MIL-STD-1553

Key Competencies

• Systems thinking and analytical problem solving
• Strong technical writing and documentation skills
• Ability to organize complex technical information and bring structure to ambiguous problems
• Customer-focused communication and stakeholder management
• Initiative, accountability, and sound engineering judgment
• Ability to work independently while contributing effectively to multidisciplinary teams

Working Environment

This role will involve working on-site with customer and operational teams in a secure technical environment. The position requires professionalism, discretion, and the ability to support mission-critical systems while maintaining compliance with applicable security, export control, and customer requirements.

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.

The hiring salary for this position is between $85,000 and $120,000 commensurate with the qualifications of the selected candidate. The final compensation will be determined based on an assessment of the candidate’s qualifications, including relevant knowledge, skills, experience, and internal equity considerations.

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 recruitment@gd-ms.ca.