Junior - Intermediate Payroll Administrator Full-time
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.
General Dynamics Mission Systems–Canada is currently hiring a Junior–Intermediate Payroll Administrator to join our Payroll team. We are looking for someone who thrives in a dynamic environment, has a strong sense of initiative, and demonstrates effective communication with both stakeholders and colleagues. This position follows a hybrid working model, combining home and on-site work.
The role involves supporting day-to-day payroll activities, including data entry, timecard reconciliation, employee inquiries, reporting, and payroll processing. The successful candidate will have an interest in developing their payroll expertise and the ability to learn new systems and processes.
In this role, you will support the production of biweekly payroll using PeopleSoft, Oracle Time & Labour and ADP Workforce Now with responsibilities that may include:
Responsibilities Support payroll processing for union and non-union employees, both hourly and salaried, including labour edits and bi-weekly payroll processing
Assist in employee changes, including new hires, terminations, pay, banking information, tax credits, vacation pay, severance, Records of Employment, incentives, bonuses, and other employee record updates
Assist in resolving payroll processing issues and discrepancies
Collect, enter, and validate payroll data in spreadsheets and payroll systems, and support the administration of Oracle Time & Labour and ADP Workforce Now
Prepare and distribute routine and ad-hoc reports, including developing custom reports and database queries as required
Assist with employee payroll inquiries
Support the preparation of journal vouchers for payroll, labour, and accruals, as well as reconciliation of payroll-related general ledger accounts
Support payroll year-end activities, including T4/T4A processing, government forms, and other required filings




Support payments and returns to internal and external organizations, including WSIB and family support
Maintain payroll records and documentation for audit purposes and develop knowledge of applicable payroll legislation and requirements, including the Income Tax Act and Employment Standards Act
What You Need to Have to Succeed Degree or diploma in Commerce, Business Administration, Accounting, or a related field, or an undergraduate degree in another discipline combined with a post-graduate certificate in Payroll
Experience in payroll, accounting, finance, administration, or a related field is an asset
Strong attention to detail and accuracy when working with financial and employee information
Strong organizational and time management skills, with the ability to prioritize tasks and meet deadlines
Demonstrate ability to learn new systems, processes, and legislation quickly
Strong problem-solving and critical-thinking skills
Proficiency with Microsoft Excel and Microsoft Office
Strong communication and customer service skills
Ability to adhere to strict deadlines
What Makes You Stand Out Experience with payroll processing or payroll systems
Experience with Oracle Time & Labour, ADP Workforce Now or PeopleSoft
Experience with T4 processing, government forms, or other payroll-related compliance activities
Experience supporting union and/or non-union payroll
Experience with payroll-related accounting, reconciliations, or journal entries
Experience using AI or other emerging technologies to improve efficiency, analyze information, or support business processes
Previous experience working in a complex or high-volume administrative environment
Payroll certification, progress toward certification, or an interest in pursuing professional payroll education or certification through the National Payroll Institute
How We Work Work Schedule: 37.5 hours per week
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 $61,500 to 75,000.
Our goal is to provide a fair and competitive offer based on an assessment of internal equity and your qualifications, including:
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 versatile benefits options (HCSA) emergency travel insurance, and 24/6 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.
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 …
Connection: You’ll help …
Challenging and Rewarding Career Pathways: …
Accommodation If you require accommodation during any stage of the application process, please contact Human Resources via [email protected].
Closing Date We reserve the right to close this vacancy early if we receive sufficient applications for the role.

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📌 Junior - Intermediate Payroll Administrator (Quebec City)
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📍 Quebec City