Accounts Payable Specialist/Office Administrator
Job in
Seattle, King County, Washington, 98127, USA
Listed on 2026-06-03
Listing for:
Matrix Finance and Accounting
Full Time
position Listed on 2026-06-03
Job specializations:
-
Administrative/Clerical
Office Administrator/ Coordinator -
Accounting
Office Administrator/ Coordinator, Accounts Receivable/ Collections
Job Description & How to Apply Below
Overview
We are seeking a dependable and detail-oriented Accounts Payable Specialist / Office Administrator to join our growing team. This role is ideal for someone who enjoys balancing accounting responsibilities with day-to-day office support and customer interaction. The ideal candidate will have strong organizational skills, experience processing high-volume accounts payable, and the ability to provide excellent customer service while managing inbound service calls and collections activities.
This position plays a key role in supporting accounting operations, maintaining vendor relationships, assisting customers, and ensuring the office runs efficiently.
Key Responsibilities Accounts Payable- Process high-volume vendor invoices accurately and efficiently
- Match invoices to purchase orders and verify coding approvals
- Prepare and process ACH, wire, and check payments
- Reconcile vendor statements and resolve discrepancies
- Maintain accurate vendor files including W-9s and payment information
- Assist with month-end close and AP reporting
- Support 1099 preparation and compliance processes
- Answer and route inbound service and customer calls professionally
- Provide administrative support to leadership and operations teams
- Maintain office supplies, filing systems, and general office organization
- Coordinate incoming mail, emails, and office communications
- Assist with scheduling, document management, and data entry
- Support special projects and operational initiatives as needed
- Follow up with customers regarding outstanding invoices and past-due balances
- Maintain positive customer relationships while resolving payment issues
- Document collection efforts and payment arrangements
- Collaborate with accounting and operations teams to resolve billing discrepancies
- Assist with account reconciliations and aging reports
- 2+ years of Accounts Payable or accounting support experience
- Previous administrative or office support experience preferred
- Strong communication and customer service skills
- Collections or accounts receivable follow-up experience is a plus
- Proficiency in Microsoft Excel and accounting software/ERP systems
- Highly organized with strong attention to detail
- Ability to multitask and prioritize in a fast-paced environment
- Professional demeanor and positive attitude
- Experience with ERP systems such as Quick Books, Sage, Net Suite, or similar platforms
- Acumatica is strongly preferred
- Strong Excel skills including sorting, filtering, and basic formulas
- Ability to handle confidential information with discretion
- Experience supporting small to mid-sized business operations
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