Accounts Payable & Billing Specialist

National Mechanical Experts Inc.•Cornelius, NC

About The Position

We are seeking a detail-oriented Accounts Payable & Billing Specialist to support our accounting and operations teams. This role is responsible for managing accounts payable, customer billing, contract administration, and general administrative support to ensure accurate financial processing and timely service delivery. The ideal candidate is organized, dependable, and comfortable working in a fast-paced, service-driven environment.

Requirements

College degree in Accounting, Finance, or equivalent experience
1–2 years of accounts payable and/or billing experience preferred
Proficiency in Microsoft Office, particularly Excel and Word
Experience with accounting and ERP systems
Strong attention to detail with a focus on accuracy and quality
Ability to prioritize tasks, meet deadlines, and adapt to changing demands
Strong problem-solving and follow-up skills
Clear and professional communication with internal and external customers
Team-oriented mindset with a positive, collaborative approach

Nice To Haves

Previous contract administration experience is an asset

Responsibilities

Match purchase orders to invoices and validate invoices for accuracy; follow up with managers on missing or incomplete documentation
Process credit notes and reconcile supplier statements to ensure accounts are current
Set up and maintain vendor files
Assist with monthly cheque runs, transfers, and backup support for the accounts payable inbox
Set up and maintain customer accounts, including new accounts, sites, amendments, and contact changes
Prepare and process customer invoices across all trade lines, including progress billing, holdbacks, and change notices
Upload invoices to customer portals as required
Review work orders and purchase orders to ensure all billing information is complete and accurate
Monitor open work orders and ensure all billing is completed prior to month-end and year-end deadlines
Manage and assist new contract set up and contract renewals/addendum
Run reports, analyze and issue renewals for contracts and follow-up to customer
Photocopy and organize invoices for month-end and year-end processes
Provide general administrative support operations teams