Internal Post Payment Auditor 03/02/25 (Issaquah, WA)

Pay range: $35.58 - $42.79. Requires a four-year degree in accounting, business or finance; or significant relevant work experience.

Pay range: $32.70 - $42.79. For other applicants.

We offer a comprehensive package of benefits including paid time off, health benefits - medical/dental/vision/hearing aid/pharmacy/behavioral health/employee assistance, health care reimbursement account, dependent care assistance plan, short-term disability and long-term disability insurance, AD&D insurance, life insurance, 401(k), stock purchase plan to eligible employees.

The Internal Post Payment Auditor researches purchase orders and invoices, accounts payable history, accounts receivables, pricing conditions, promotional allowances, vendor agreements/contracts, overpayments, emails, electronic files, and various other sources of information to recover lost profits due to Costco Wholesale.

• Reviews and evaluates financial information, including buyers’ files, purchase orders, merchandise invoices, accounts payable and receivable history, and other documents to ensure accuracy of our buying programs.
• Performs post-payment recovery audits to identify recovery opportunities.  
• Leads the preparation and completion of audit related projects. 
• Reconciles complex merchandise driven vendor programs over multiple years to determine accuracy and completeness, or if remaining funds exist. 
• Presents claims to management, vendors, and buying staff for review and approval.  
• Provides supporting documentation to management, buyers, and vendors. 
• Manages and tracks personal claim production. 
• Makes recommendations regarding process improvement in payment-related operations to prevent future loss to Costco. 
• Leverages internal and external tools to perform auditor routines and manage claim lifecycle.
• Performs journal entries to either the general ledger or vendor AP subledger to ensure our financial statements are accurate.
• Assists the department and/or peers as needed.
• Regular and reliable workplace attendance at your assigned location.
• Ability to operate vehicles, equipment or machinery.
• Computer, phone, printer/copier, fax.

• Bachelor's degree (B.A.) in Accounting, Finance, or Business and/or three (3) years or more of Recovery Audit or Accounts Payable/Receivable experience; or an equivalent combination of education and experience.
• Ability to read, analyze, and interpret vendor purchase and funding agreements, financial reports/reconciliations, email correspondence, and legal documents. 
• Demonstrates accuracy and thoroughness. 
• Curious mindset and inclination to think critically.
• Ability to apply mathematical operations to a variety of tasks. 
• Ability to define problems, collect data, establish facts, and draw valid conclusions. 
• Strong analytical skill set coupled with a desire to perform extensive research and draw conclusions from that research. 
• Ability to communicate effectively with vendors and all organizational levels of Costco.
• Positive attitude; ability to work independently and remain self-motivated.
• Goal-oriented; able to meet deadlines. 

• Understanding of U.S. generally accepted accounting principles (GAAP)
• Proficiency in Microsoft Excel and Google Suite

• Management will review the Job Analysis for this position prior to a job offer.

This is a non-management position

Salary : $33 - $43