Accounts Payable Specialist

Witt O'Brien's•Houston, TX

About The Position

The Accounts Payable Specialist supports the Finance/Accounting team by ensuring timely and accurate processing, verification, and reconciliation of invoices and payments. The role helps maintain vendor relationships, support internal controls, and ensure compliance with Ambipar Response’s accounting policies and procedures. It reports to the Accounts Payable Supervisor and is hourly and non-exempt. The job description does not specify a work location or schedule. The position description notes that related duties beyond those listed may be assigned and that responsibilities may vary according to operational needs. Qualified candidates are interviewed before a criminal background check is requested. Where a background check is required, employment is contingent on successful completion; criminal history does not automatically disqualify a candidate. Ambipar Response describes itself as an equal opportunity employer. Qualified applicants receive consideration without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or other characteristics protected by law.

Requirements

  • Associate’s or bachelor’s degree in Accounting, Finance, or a related field, or at least 2 years of experience in Accounts Payable, Purchasing, or related accounting roles.
  • Strong proficiency in Excel, including formulas, pivot tables, and reconciliations.
  • Proficiency with ERP/accounting systems.
  • Working knowledge of Microsoft Office Suite, including Word, Outlook, and Teams.
  • Ability to maintain confidentiality and uphold financial integrity.
  • Excellent organizational, analytical, and communication skills.

Nice To Haves

  • At least 2 years of experience in Accounts Receivable or Billing is preferred.

Responsibilities

  • Review, code, and process invoices and payment requests accurately and within established timelines.
  • Verify vendor account details, resolve discrepancies, and ensure approvals comply with company policy.
  • Reconcile vendor statements and research variances or missing documentation.
  • Support month-end close activities by preparing accruals, reconciliations, and reports as assigned.
  • Assist with new vendor onboarding and maintain vendor records in the ERP system.
  • Follow internal controls, applicable SOX requirements, and company financial policies.
  • Communicate with vendors and internal stakeholders to resolve invoice or payment issues.
  • Identify opportunities for process improvement and cost savings within accounts payable.
  • Prioritize and perform multiple tasks with attention to detail and accuracy under tight deadlines.
  • Perform other related duties as assigned according to operational needs.
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