Bookkeeper

About Thayer Lumber

Serving Sault Ste. Marie and the surrounding area since 1905, Thayer Lumber is a long-standing, family-owned business known for quality lumber, manufacturing expertise, and dependable customer service. We proudly support residential, commercial, and industrial customers with a full range of products, from building materials and custom planed lumber to pallets, crates, and specialty wood manufacturing. With a century of craftsmanship behind us, we continue to invest in the people and processes that keep our operations running efficiently. We are looking for organized, detail-oriented professionals who take pride in accuracy, accountability, and supporting the success of a growing business.

The Opportunity

Thayer Lumber is seeking a Bookkeeper to support the financial and administrative operations of our retail, manufacturing, and industrial business divisions. This role is responsible for managing day-to-day accounting functions including accounts payable, accounts receivable, payroll, reconciliations, and financial recordkeeping, while also supporting administrative processes, compliance documentation, and customer service activities. This position is ideal for someone who enjoys working with numbers, maintaining accurate records, and contributing to the overall efficiency of a busy operation. The successful candidate will be highly organized, detail-oriented, and comfortable managing multiple priorities in a fast-paced environment.

Key Responsibilities

Financial Administration & Recordkeeping

• Maintain accurate financial records, general ledger accounts, and supporting documentation.
• Prepare daily deposits and perform bank reconciliations.
• Process and reconcile accounts receivable and accounts payable transactions.
• Assist with month-end reporting, audit preparation, and budget support activities.
• Ensure financial records are maintained in accordance with company policies and procedures.

Accounts Receivable & Customer Accounts

• Generate customer invoices and ensure accuracy of taxes, pricing, and supporting documentation.
• Apply customer payments and maintain account records.
• Monitor aging reports and assist with collections activities.
• Process credits, returns, and account adjustments as required.
• Respond to customer inquiries regarding billing and account balances.

Accounts Payable & Vendor Administration

• Review and process vendor invoices for payment.
• Match purchase orders, receiving documents, and invoices for accuracy.
• Reconcile vendor statements and resolve discrepancies.
• Maintain organized vendor files and payment records.

Payroll & Employee Administration

• Process employee payroll 
• Maintain payroll records and employee files with confidentiality.
• Assist with statutory remittances, year-end reporting, and payroll compliance requirements.
• Support administration related to vacation tracking, absences, and employee documentation.

Administrative & Compliance Support

• Maintain organized filing systems and business records.
• Support ISO documentation, record retention, and audit preparation activities.
• Assist with Health & Safety documentation, training records, and compliance reporting.
• Support ISPM-15 and operational recordkeeping requirements as needed.
• Prepare reports and administrative documentation for management.

Customer Service & Office Support

• Provide professional customer service by phone, email, and at the front counter.
• Assist customers with account inquiries, payments, and general information requests.
• Support sales and operations teams with documentation and administrative tasks.
• Collaborate with colleagues across departments to ensure efficient business operations.

What You Bring

• 3–5 years of bookkeeping, accounting, or office administration experience.
• Experience with accounts payable, accounts receivable, payroll, and reconciliations.
• Proficiency with accounting software, ERP/POS systems, and Microsoft Office, particularly Excel.
• Knowledge of payroll regulations, HST, WSIB, and general accounting principles.
• Strong organizational skills and exceptional attention to detail.
• Ability to manage multiple priorities while maintaining accuracy.
• Professional communication and customer service skills.
• High level of integrity and ability to handle confidential information.
• Experience in retail, manufacturing, wholesale, or lumber-related industries is considered an asset.

Why Join Thayer Lumber

• Join a respected, family-owned Northern Ontario business with over 120 years of history.
• Be part of a collaborative team that values reliability, accountability, and continuous improvement.
• Contribute to a business that supports residential, commercial, and industrial customers across the region.
• Enjoy a stable, full-time position with opportunities to make a meaningful impact on daily operations.

If you are a detail-oriented accounting professional who takes pride in accuracy, organization, and supporting business success, we encourage you to submit your resume for consideration and join the Thayer Lumber team!