Entry Level Python Developer Jobs in Ottawa, ON (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.

GDMS-C is seeking a Systems Engineer to join our TacNET team working to support the Land Command Support System (LCSS). 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. You will work side‑by‑side with software, network, and hardware engineers in an Agile environment while ensuring that the system remains secure, reliable, and future‑proof. 

Responsibilities

• Log, triage and track System problem Reports (SPRs), work with engineering team(s) to reproduce issue, capture resolution steps and close SPRs
• Support software verification and integration engineering activities, run system‑level test suites, and formally document test results, and analysis. Review and update system design documents, use-cases and procedures
• Participate in team document reviews and provide feedback
• Follow the defined product-delivery process and ensure compliance with security and configuration management standards
• Evaluate current software and determine obsolescence risks and potential upgrade paths
• 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)
• 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

• Bachelor's degree in Engineering/Computer Science/Applied Science or related technical/scientific diploma.
• 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
• Strong written and oral communications skills
• Ability to work effectively in collaborative, fast-moving Agile team
• Demonstrated leadership on a small academic or work project
• Strong interest in networked computer systems and desire to grow in this field
• Experience working with or familiarity with AI/ML models is preferred.

Additional Assets:

• 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 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

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 range for this position is $73,000-$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
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.

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.