Junior - Intermediate Payroll Administrator

Location: Ottawa, ON, ca Employment Type: {'id': 'permanent', 'label': 'Full-time'}

Company Description

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

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

Qualifications

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.

Additional Information

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:

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 le