Accounts Payable Specialist

517 Ambipar Holding USA, Inc.; Houston (TX); On-site; USD 30,000 - 39,000; Full time

Job summary

Ambipar is seeking an Accounts Payable Specialist in Houston, TX to support the Finance team by processing invoices, coding expenses, and ensuring timely payments.

You will maintain vendor records in the ERP, assist with month-end close, uphold internal controls, and collaborate with vendors and internal stakeholders to resolve issues and identify cost-saving improvements.

Qualifications

• Associate or Bachelor degree in Accounting/Finance or related field, or 2+ years in AP.
• 2+ years of AP, AR, or related accounting experience preferred.
• Proficiency with Excel incl. formulas, pivots, reconciliations; ERP knowledge.

Responsibilities

• Review, code, and process invoices and payment requests.
• Verify vendor details and resolve discrepancies.
• Reconcile vendor statements and research variances.
• Assist month-end close with accruals and reconciliations.
• Onboard and maintain vendor records in ERP.
• Uphold internal controls and SOX requirements.
• Communicate with vendors and stakeholders to resolve issues.
• Identify process improvements and cost savings.
• Manage multiple tasks with accuracy under deadlines.

Skills

Excel proficiency

ERP systems

Communication skills

Attention to detail

Confidentiality

Education

Associate degree in Accounting

Bachelor degree in related field

Tools

ERP software

Microsoft Excel

Microsoft Word

Outlook

Teams

Job description

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.

Accounts Payable Specialist 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.

About Ambipar

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. Ambipar is a global leader in environmental and emergency management solutions. In the United States, our diverse portfolio spans emergency consulting and risk mitigation, grants management support, 24/7 emergency response, environmental remediation, industrial services, business continuity, and disaster recovery. Through our Witt O'Brien's consulting business, we help communities build resilience in a rapidly changing world-advising clients on how to mitigate risk, prepare for crises, respond effectively, and recover stronger. Across the country, our emergency response teams manage environmental incidents of all types-from chemical and hazardous waste spills to silo fire suppression and industrial vacuum services. We also deliver specialized training programs that equip emergency responders with the skills they need to act swiftly and safely. As the frequency and complexity of both natural and human-made disasters continue to grow, the need for our expertise has never been greater. We invite you to join an ambitious, forward-thinking team of top professionals who are committed to safeguarding people, communities, and the environment. Together, we can take our organization—and your career to the next level.