Accounts Payable Clerk

At Walker, your contribution matters. Become part of a team you can count on and where your health and safety are our priority. Our team of more than 1200 people work in environmental waste management and recovery, renewable energy, paving and construction, aggregates, and emulsions chemistries. We are a fifth‑generation, family‑owned company founded in 1887, operating from our base in the Niagara Region with facilities across Canada and the United States.

We care about the environment, each other, and our neighbours, and give back to our communities. Join us on our journey to build a sustainable future, together.

About the Job
Are you a detail‑oriented accounting professional who enjoys working in a fast‑paced, collaborative environment? We’re looking for an Accounts Payable Clerk to join our Finance team on a 15‑month contract. This role can be based out of either our Caledon, Oakville or Niagara Falls office.

As an Accounts Payable Clerk, you’ll play an important role in ensuring invoices and payments are processed accurately and on time while supporting the organization’s procure‑to‑pay (P2P) process. You’ll work closely with vendors and internal teams, helping maintain strong financial controls, resolve discrepancies, and contribute to the smooth operation of our accounting function.

If you enjoy problem‑solving, working with numbers, and being part of a team that values accuracy and continuous improvement, we’d love to hear from you.

Salary: $50,000 to $55,000 based on experience and qualifications.

What You’ll Be Doing

Review, match, and process invoices against purchase orders, receipts, and supporting documentation to ensure accuracy of pricing, taxes, coding, approvals, and payment terms.

Monitor invoice approvals and payment deadlines to ensure vendors are paid accurately and on time.

Process cheque runs, EFT payments, and other approved payment methods in accordance with company policies and procedures.

Reconcile vendor statements, investigate discrepancies, and maintain accurate supplier accounts.

Respond professionally to vendor and internal inquiries regarding invoices, payments, account information, and supporting documentation.

Review employee expense reports and corporate credit card submissions for accuracy, completeness, approvals, receipts, and policy compliance.

Support month‑end and year‑end activities, including accruals, reconciliations, reporting, audit preparation, and record maintenance.

Maintain organized electronic and physical accounts payable records to ensure accurate documentation and efficient retrieval.

Assist with vendor onboarding and account maintenance, including supporting supplier enrollment in EFT payment programs.

Perform administrative duties such as scanning, filing, data entry, reporting, document retrieval, and payment tracking.

Partner with internal departments to resolve invoice, coding, and purchasing issues in a timely and professional manner.

Provide backup support to other Finance team members as needed.

Take on additional duties and special projects as assigned.

Here’s What You Need

Post‑secondary education in Accounting, Bookkeeping, Finance, Business Administration, or a related field.

At least one year of experience in accounts payable, accounting, or a similar finance or administrative role is preferred.

Experience working with ERP systems;
Oracle Cloud experience is considered an asset.

Understanding of accounts payable processes, financial controls, and accounting procedures.

Strong organizational and time‑management skills with the ability to manage multiple priorities and meet deadlines.

Excellent attention to detail and a high level of numerical accuracy.

Ability to work independently while contributing positively to a collaborative team environment.

Strong customer service and interpersonal skills when working with vendors and internal stakeholders.

Clear verbal and written communication skills.

Proficiency with Microsoft Office applications and accounting or ERP systems.

Ability to maintain confidentiality and handle sensitive financial information with professionalism.

Adaptable, proactive, and comfortable working in a dynamic environment with changing…