Accounts Payable & Billing Specialist

POSITION OVERVIEW
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.

KEY RESPONSIBILITY AREAS

• Accounts Payable
• Billing
• Contract Administration
• Administration Support

PRIMARY ACTIVITIES

• 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

KNOWLEDGE, SKILLS AND ABILITIES

Experience/Education

• College degree in Accounting, Finance, or equivalent experience
• 1–2 years of accounts payable and/or billing experience preferred
• Previous contract administration experience is an asset
• Proficiency in Microsoft Office, particularly Excel and Word
• Experience with accounting and ERP systems

Competencies and Skills

• 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

Candidates interested in applying for the above position should forward their resumes via email to [email protected] with attention: Human Resources.
Although we appreciate your interest in National, only those individuals selected for an interview will be contacted.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender identity, sexual orientation, national origin, disability or protected veteran status.