Accounts Payable Specialist

StormWater Pros•Mesa, AZ

7d•Onsite

About The Position

StormWater Pros is hiring an Accounts Payable Specialist to own the full accounts payable cycle for its Arizona, Utah, and California operations. The role processes a high volume of vendor and subcontractor invoices across multiple divisions, codes invoices to the correct jobs and cost codes, enforces month-end cutoff, reconciles vendor statements, and ensures payments are accurate and timely in a fast-paced construction services environment. The position supports month-end close, vendor management, multi-state tax and documentation compliance, payment processing, and financial reporting. It works with Procurement to resolve invoice discrepancies and supports audits, bonding reviews, lender requests, and project cost reporting. The role is based in an office and is performed in person. Extended hours may be required at month end and year end.

Requirements

Strong attention to detail and accuracy in high-volume work.
Organized and self-directed, with the ability to manage competing deadlines across states.
Clear, professional communication with vendors, project managers, and field staff.
Discretion with confidential financial and vendor information.

Nice To Haves

Experience with Foundation Software (job cost and AP modules).
Associate’s or bachelor’s degree in accounting, finance, or a related field, or equivalent experience.
Experience with public works, prevailing wage, or bonded projects.
Familiarity with Arizona TPT and Utah and California sales and use tax.
Experience with Microsoft 365 (Outlook, Teams, SharePoint) and document management.

Responsibilities

Own the full AP cycle for Arizona, Utah, and California operations, processing high volumes of vendor and subcontractor invoices across multiple divisions.
Code invoices to the correct job, phase, cost code, and cost type, including labor, material, equipment, subcontract, and other.
Follow the purchase order process and perform three-way matching of purchase orders, receiving documents, and invoices.
Work with Procurement to confirm materials and services were received as ordered and invoiced at the agreed purchase order price, and resolve price, quantity, and receiving discrepancies before payment.
Track subcontractor retention, lien waivers, certificates of insurance, and W-9s before releasing payment.
Route invoices for approval and follow up on items held past their due dates.
Enforce AP cutoff so costs land in the correct period and on the correct job.
Identify and accrue received-not-invoiced costs and late-arriving invoices at month end.
Confirm job costs are complete and correctly coded to support WIP accuracy.
Reconcile the AP subledger to the general ledger each month.
Reconcile vendor statements monthly and resolve missing invoices, duplicate charges, credits, and unapplied payments.
Maintain clean vendor master files and prevent duplicate vendors and payments.
Serve as the main point of contact for vendor inquiries and payment status.
Apply each state’s sales and use tax rules to AP, review invoices for proper tax treatment, and accrue use tax where vendors did not charge it.
Maintain 1099 vendor records and support year-end 1099 filing.
Track subcontractor documentation to support prevailing wage and certified payroll compliance on public works jobs.
Prepare weekly check runs, ACH, and credit card payments for review and approval.
Reconcile company credit card statements and code charges to jobs and GL accounts.
Prepare AP aging and cash requirement reports for the Accounting Manager and CFO.
Support audits, bonding reviews, and lender requests with AP schedules and documentation.