Accounts Payable Coordinator - Byron Center, MI

Help keep a busy transportation operation moving. Martin Transportation Systems (MTS) is looking for an organized, detail-focused Accounts Payable Coordinator to support accurate invoice processing, vendor payments, account reconciliation, reporting, and compliance. This role is an important connection point between our vendors and internal teams and is well suited to someone who takes ownership, manages recurring deadlines, and enjoys improving how work gets done.

What you'll do

You'll coordinate core accounts payable activity from invoice receipt through payment and record retention, while helping vendors and colleagues resolve questions quickly and professionally.

Accounts payable and invoice processing

• Verify, enter, code, and process invoices accurately and on time.
• Monitor the AP email inbox; process invoices and supporting documentation; and maintain organized paid and unpaid invoice records.
• Complete weekly payment runs and maintain complete, accurate payment documentation.
• Monitor AP reports and aging, researching and resolving outstanding or unusual items.
• Assist with vendor reconciliations, discrepancies, credits, refunds, and payment issues.

Vendor support and account maintenance

• Set up new vendors and maintain account information, including addresses, contacts, W-9s, and payment details.
• Respond to vendor questions about invoices, payments, and account balances in a timely, professional manner.
• Obtain, verify, and update vendor information as needed while building strong working relationships with vendors and internal departments.

Reporting, compliance, and process improvement

• Maintain W-9 documentation and assist with annual 1099 preparation and filing.
• Assist with sales tax reporting, AP audits, month-end activities, financial reporting support, and audit requests.
• Maintain AP records in line with applicable IRS recordkeeping and company retention guidelines, including year-end backup rotation.
• Support the continued use of electronic payment processing and identify ways to improve AP efficiency and accuracy.
• Contribute to process documentation, system enhancements, special projects, and other Accounting and Finance initiatives.

What you bring

• Education in Finance, Accounting, Business, or a related field is preferred; equivalent experience will be considered.
• Two or more years of accounts payable or related accounting experience is preferred.
• Excellent organization, time management, communication, and follow-through.
• Strong attention to detail and a high degree of accuracy.
• Ability to manage multiple priorities and recurring deadlines with adaptability and ownership.
• Proficiency with Microsoft Excel, Word, and Outlook.
• Experience with Microsoft Dynamics GP (Great Plains) is preferred.
• Experience with electronic AP systems, vendor reconciliations, 1099s, sales tax reporting, or AP audits is an asset.

Why MTS

Founded in 1978, Martin Transportation Systems is a family-owned and operated logistics and trucking company serving customers through dedicated, just-in-time transportation. Our employees are at the heart of the company, and we are committed to treating people with respect and dignity.

Ready to apply?

If you're a dependable AP professional who values accuracy, service, and continuous improvement, we'd like to hear from you.