Accounts Payable Specialist Thornton, CO | Robert Half

Accounts Payable Specialist

We are looking for an Accounts Payable Specialist to join a service-focused organization in Thornton, Colorado on a contract basis with the potential for a permanent role. This role is ideal for someone who thrives in a fast-paced accounting environment and can manage invoice processing with accuracy, consistency, and strong follow-through. The position will support daily payables operations, vendor coordination, and expense administration while helping maintain smooth financial workflows.

Responsibilities:

• Oversee end-to-end accounts payable activities in a high-volume setting, including invoice review, matching documentation, and confirming required approvals before processing.
• Verify invoice details against purchase orders using an automated workflow platform to ensure accurate coding and timely routing.
• Execute vendor payments through established methods such as ACH and check runs while coordinating with internal teams and suppliers to address payment-related concerns.
• Create and update vendor records, maintaining accurate master data and supporting proper documentation standards.
• Review and process employee expense submissions in accordance with company policy and reimbursement procedures.
• Reconcile vendor account statements, investigate outstanding items, and correct discrepancies to keep balances accurate.
• Determine and apply appropriate sales and use tax treatment when required for invoices and related transactions.
• Respond to inquiries from vendors and operational partners by researching issues, resolving disputes, and providing clear follow-up.
• Support internal and external audit requests by gathering records, explaining transactions, and assisting with documentation needs.