AR Specialist

About the role

Charlie Gilmur with Robert Half is searching for a detail-oriented AR Specialist to support invoicing and accounts receivable activities in Hillsboro, Oregon. This position plays a key role in maintaining accurate billing records, processing customer payments, and helping ensure timely collection of project-related revenue. The ideal candidate brings strong AR knowledge, sound judgment, and the ability to manage multiple priorities while maintaining accuracy and compliance.

Responsibilities

• Oversee daily accounts receivable activity, including customer invoicing, payment posting, credit processing, and project-related billing support.
• Examine invoice drafts and supporting documentation to confirm accuracy, completeness, and alignment with company guidelines before release.
• Apply appropriate tax treatment based on jurisdiction and the nature of services performed to ensure compliant billing.
• Monitor outstanding unbilled work through regular reporting and coordinate with sales personnel to track project billing readiness.
• Process approved customer credits and maintain proper documentation for adjustments made to accounts.
• Post cash receipts, reconcile payment activity, and support follow-up actions needed to resolve account discrepancies.
• Maintain customer account records, support credit card payment processing, and provide receipts or related documentation to customers.
• Partner with internal teams by answering billing questions, sharing guidance on billing-related concerns, and assisting with job closeout activities as needed.

Requirements

• Experience in billing and accounts receivable
• Working knowledge of billing systems, computerized invoicing, and customer payment processing.
• Ability to review billing statements and supporting records with a high degree of accuracy and attention to detail.
• Experience applying payments, reconciling accounts, and assisting with collection of outstanding balances.
• Strong communication skills with the ability to support internal teams and interact professionally with customers.
• Proficiency with standard business software and the ability to manage multiple deadlines in a fast-paced setting