Senior Accounts Payable Specialist

Stored Energy Systems•Longmont, CO

11h•$27 - $36•Onsite

About The Position

The Senior Accounts Payable Specialist is responsible for managing the full accounts payable cycle, ensuring accurate and timely processing of invoices, payments, reconciliations, and vendor records. This role serves as a key resource for AP operations, supports month-end close, resolves complex discrepancies, and helps maintain strong internal controls and vendor relationships.

Requirements

4+ years of accounts payable or relevant accounting experience.
Experience owning the responsibility for full-cycle accounts payable processes.
Experience processing high-volume AP transactions within ERP/accounting systems such as SAP, Oracle, NetSuite, Microsoft Dynamics, or similar platforms.
Strong understanding of accounting principles and internal controls.
Excellent attention to detail and organizational skills.
Ability to manage multiple priorities and meet strict deadlines.
Strong analytical, problem-solving, and communication skills.
Ability to work independently and collaborate effectively with cross-functional teams.
Experience with expense management, purchasing, or procurement systems.
Experience supporting month-end and year-end close.

Nice To Haves

Experience in a multi-entity accounting environment.
Associate's or Bachelor's degree in Accounting, Finance, or a related field.
Proficiency in Microsoft Excel, including basic functions and data reconciliations.
Experience mentoring or leading AP team members.

Responsibilities

Manage the end-to-end accounts payable process, including invoice receipt, coding, approval, and payment processing.
Review invoices for accuracy, proper authorization, supporting documentation, and compliance with company policies.
Perform three-way matching of purchase orders, receipts, and invoices.
Process high-volume invoices accurately and within established payment deadlines.
Prepare and process ACH, wire, check, and other vendor payments.
Reconcile vendor statements and resolve discrepancies in a timely manner.
Research and resolve invoice, payment, and account issues with vendors and internal departments.
Maintain accurate vendor master data and assist with vendor onboarding and updates.
Prepare AP-related account reconciliations and support monthly, quarterly, and year-end close activities.
Monitor AP aging and identify outstanding invoices, duplicate payments, and potential payment issues.
Assist with 1099 reporting and other year-end AP requirements.
Support internal and external audits by providing documentation and account information.
Maintain organized and accurate electronic and physical AP records.
Identify opportunities to improve AP processes, strengthen controls, and increase efficiency.
Provide guidance and support to junior AP staff and assist with training as needed.
Perform other accounting and administrative duties as assigned.