Accounts Payable Specialist

Location: US - TX - Houston

Are you looking for an opportunity to truly make a difference? Do you want to join a collaborative, mission-driven team that protects the planet, strengthens communities, and supports businesses when they need it most? Are you seeking a place where your work contributes directly to an organization known for excellence in environmental services, crisis management, and emergency response? If your answer is “yes,” then you belong at Ambipar.

Position Summary

The Accounts Payable (AP) Specialist supports the Finance/ Accounting team by ensuring timely and accurate processing, verification, and reconciliation of invoices and payments. This position plays a key role in maintaining vendor relationships, supporting internal controls, and ensuring compliance with Ambipar Response’s accounting policies and procedures.

Position Details

Reports to: Accounts Payable Supervisor

Location

Position Type

FLSA Status: Non-Exempt

Pay: Hourly

Essential Job Functions

• Review, code, and process invoices and payment requests accurately and within established timelines.
• Verify vendor account details, resolve discrepancies, and ensure all approvals align 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 maintenance of vendor records in the ERP system.
• Ensure adherence to internal controls, SOX requirements (if applicable), and company financial policies.
• Communicate effectively with vendors and internal stakeholders to resolve invoice or payment issues.
• Identify opportunities for process improvement and cost savings within the payables function.
• Perform and prioritize multiple tasks seamlessly with strong attention to detail and accuracy under tight deadlines.

Minimum Job Requirements

• Associate’s or Bachelor’s degree in Accounting, Finance, or a related field OR 2+ years of experience in Accounts Payable, Purchasing, or related accounting roles.
• Minimum 2 years of experience in Accounts Receivable or Billing preferred.
• Strong proficiency in Excel (formulas, pivot tables, reconciliations) and ERP/accounting systems.
• Working knowledge of Microsoft Office Suite (Word, Outlook, Teams).
• Proven ability to maintain confidentiality and uphold financial integrity.
• Excellent organizational, analytical, and communication skills.

Job Description and Hiring Disclaimer

This position description incorporates the core responsibilities of the job. It recognizes that other related duties not specifically mentioned might also be performed, and that not all responsibilities may be carried out depending on operational needs.

The hiring department will conduct interviews of qualified individuals prior to requesting a criminal background check, and no job application submitted prior to such interview shall inquire into an applicant's criminal history. If this position is subject to a background check for any convictions related to its responsibilities and requirements, employment will be contingent upon successful completion of a background investigation including criminal history. Criminal history will not automatically disqualify a candidate.

Commitment to Diversity

Ambipar Response is always looking for the most qualified and experienced professionals with a passion for public safety, emergency management, homeland security, disaster response, and continuity of operations.

We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law.

Equal Opportunity Employer/Veteran/Disabled

With you when it counts.