About LamSar

We’re a Tier 1, full-service general contractor and manufacturer proudly servicing household brand names. We’re passionate about building not just great projects, but great careers, offering a supportive setting where our people can grow, thrive, and succeed together.

Position Description

Reporting to the Accounting Administrator, the Accounts Payable Clerk supports financial operations by processing vendor invoices, verifying supporting documentation, and maintaining accuracy payables records. This role ensures timely and accurate invoice handling in alignment with company procedures and financial controls.

Primary Responsibilities

- Process vendor invoices in the accounting system (JONAS), ensuring accuracy and completeness
- Match invoices to purchase orders, receipts, and packing slips
- Verify coding, approvals, and supporting documentation prior to entry
- Track invoice status and follow up on missing or incomplete documentation
- Assist in preparing payment batches (e.g., cheques, EFTs) for review and processing
- Maintain organized records of invoices and supporting documents
- Support vendor inquiries and resolve discrepancies in coordination with internal teams
- Assist with basic reconciliations of vendor statements
- Adhere to financial controls, approval workflows, and confidentiality requirements
- Adhere to LamSar’s core values of Diversity & Inclusion,



Mutual Respect, Integrity, Freedom, Openness, and Trust
- Other duties as assigned

Education & Qualifications

- Diploma in Accounting, Business Administration, or related field (required)

Skills & Experience

- 1-3 years of accounting or administrative experience
- Ability to process high-volume data entry with strong accuracy
- Basic understanding of accounts payable processes
- Familiarity with accounting systems (e.g., JONAS or similar)
- Strong attention to detail and organization
- Ability to follow structured processes and approval workflows

Why Work For Us

- Career Growth: We invest in your future with clear development paths, ongoing training, and opportunities to advance from within.
- Industry Impact: Be part of high-profile projects that shape the infrastructure of major industries and household brands.
- Supportive Culture: Join a team that values collaboration, safety, and respect; where your voice is heard and your contributions matter.

Equal Opportunity Employer We are an equal opportunity employer and are committed to providing reasonable accommodations to individuals with disabilities. If you require an accommodation during the application or interview process, please let us know.

Pay: $21.00-$26.00 per hour

Expected hours: 15.0 – 40.0 per week

Work Location: In person

📌 Accounts Payable Clerk (Sarnia)
🏢 LamSar
📍 Sarnia