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Senior Accountant

Job in Courtice, Oshawa, Ontario, L1E, Canada
Listing for: STP Nuclear Operating Company
Full Time position
Listed on 2026-11-06
Job specializations:
  • Accounting
    Financial Reporting, Financial Compliance, Accounting & Finance
Salary/Wage Range or Industry Benchmark: 80000 CAD Yearly CAD 80000.00 YEAR
Job Description & How to Apply Below
Location: Courtice

Are you a strategic accounting professional who thrives on financial analysis, accuracy, and continuous improvement?
Join East Penn Canada’s Finance team and play a key role in supporting the financial health and operational success of a growing organization. We are seeking an experienced and highly analytical accounting professional who enjoys solving complex financial challenges, driving process improvements, and delivering accurate and timely financial reporting.
As a  Senior Accountant , you will support the accounting team in delivering the highest standards of internal and external financial reporting while helping safeguard corporate assets through strong financial controls, policies, and procedures. Working closely with the Controller and cross-functional teams across the organization, you will contribute to month-end and year-end processes, financial analysis, audits, compliance reporting, and continuous improvement initiatives.

This role is ideal for a detail-oriented professional who combines strong technical accounting expertise with a collaborative and proactive approach to problem-solving.
Please note that this is a 100% in-office position, working out of East Penn Canada’s Head Office location in Courtice, ON.
Duties and Responsibilities   Lead key aspects of the monthly, quarterly, and annual financial reporting processes, ensuring accurate, timely, and compliant financial results.
Prepare and review journal entries, accruals, account reconciliations, and financial analyses while investigating variances and providing meaningful commentary to support business decision-making.
Support the integrity of the general ledger, capital asset accounting, commodity tax filings, and other core accounting functions through strong attention to detail and adherence to established controls.
Partner with the Controller and cross-functional teams across the organization to improve financial processes, strengthen internal controls, and drive continuous improvement initiatives.
Coordinate and support external and government audits by preparing working papers, responding to inquiries, and ensuring compliance with accounting standards and regulatory requirements.
Provide guidance and support to members of the Finance team, contributing to a collaborative environment that promotes knowledge sharing, accountability, and professional development.
Develop, maintain, and document accounting procedures and best practices to enhance efficiency, consistency, and operational effectiveness.
Prepare ad hoc financial analysis, reporting, and presentations to support business planning and strategic decision-making.
Uphold East Penn Canada’s commitment to Customer Experience Excellence, workplace safety, and professional service in all interactions with internal and external stakeholders.

Experience, Skills, and Competencies  You will receive comprehensive training on our systems and processes, but a strong foundation and background in the following will set you up for success:
Post-secondary education in Accounting, Finance, or a related discipline
CPA designation required, or currently pursuing
5+ years of progressive accounting experience, including experience in a senior-level accounting role
Previous supervisory, team lead, or leadership experience preferred
Strong knowledge of financial reporting, accounting controls, and accounting best practices
Experience working within a major ERP environment; SAP experience is considered an asset
Advanced proficiency in Microsoft Excel, with strong working knowledge of Outlook, Word, and Power Point
Excellent analytical, quantitative, and problem-solving skills
Strong attention to detail and commitment to producing accurate, high-quality work
Excellent verbal and written communication skills in English (reading, writing, and speaking)
Strong interpersonal skills with the ability to build relationships and collaborate effectively across all levels of the organization
Self-motivated and results-oriented, with the ability to work independently and take initiative
Highly organized with the ability to manage multiple priorities and meet strict deadlines
Demonstrated ability to identify opportunities for process improvements and implement practical solutions
Ability to influence, motivate, and effectively support team members and stakeholders across the organization
Important Considerations:
Role-specific background checks are a condition of employment and may include, but are not limited to, employment verifications,…
Position Requirements
10+ Years work experience
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