Senior Accounts Payable Specialist

Aston Carter•Irvine, CA

4d•$29 - $33•Hybrid

About The Position

The Senior Accounts Payable Specialist oversees the full accounts payable cycle from invoice receipt through payment, ensuring accurate processing, strong financial controls, and timely support for internal and external stakeholders. The role serves as a resource for accounts payable procedures and systems, provides guidance to team members, and supports process improvements while handling high volumes of weekly invoice activity. The position is contract to hire, based in Irvine, California, and hybrid.

Requirements

At least 5 years of experience in full-cycle accounts payable invoice processing.
Ability to process more than 200 invoices weekly.
Experience with three-way matching.
Advanced Excel skills, including pivot tables and VLOOKUPs.
Previous experience with ERP software.

Responsibilities

Manage the full accounts payable cycle, including purchase order and non-purchase order invoices, coding, system entry, approvals, and payment preparation.
Validate invoices against purchase orders and receiving records for accuracy, documentation, and authorization.
Review employee expense submissions for accuracy, supporting documentation, and compliance with expense policies, and process reimbursements on time.
Reconcile accounts payable activity to the general ledger, investigate variances and outstanding items, and support accurate financial reporting.
Create and maintain complete, accurate vendor profiles and documentation.
Respond to vendor, employee, and business partner inquiries about invoices, payment status, discrepancies, and other accounts payable matters.
Track invoice and payment activity to meet processing deadlines, volume targets, and service expectations.
Coordinate recurring payments by check, ACH, wire transfer, and other approved methods.
Support monthly and annual financial close activities, including reconciliations and accrual preparation.
Provide guidance on accounts payable procedures, systems, controls, and operational questions.
Assist team members with daily questions, process guidance, training, and complex transactions or exceptions.
Review team output as needed to maintain accurate, complete, and consistent processing and documentation.
Evaluate workflows and recommend improvements to streamline processing, reduce errors, improve automation, and strengthen controls.
Provide supporting documentation for internal and external audits.
Maintain organized, complete, and compliant accounts payable records in line with document-retention practices.
Assist department leadership with monitoring operational targets, invoice volume, workload distribution, and performance measures.
Support accounts payable leadership without direct people-management responsibilities.
Manage the shared accounts payable email inbox and ensure inquiries and invoices are handled efficiently and accurately.
Use Excel, including pivot tables, lookups, and SUMIFS formulas, to analyze data, support reconciliations, and monitor invoice and payment activity.
Participate in special projects, process improvement initiatives, and other accounting-related responsibilities as business needs arise.