Accounts Receivable Specialist

Witt O'Brien's•Houston, TX
•Onsite

About The Position

Ambipar / Witt O’Brien’s is seeking a detail-oriented and experienced Accounts Receivable Specialist to join our Finance/Accounting team. This position is responsible for managing the accounts receivable cycle, ensuring timely and accurate customer invoicing, payment application, account reconciliation, collections, and resolution of outstanding balances. The ideal candidate has strong accounting fundamentals, excellent attention to detail, effective communication skills, and the ability to independently manage a portfolio of customer accounts while working collaboratively with internal teams.

Requirements

  • 3–5 years of accounts receivable, billing, collections, or related accounting experience.
  • Associate or bachelor's degree in accounting, finance, business, or a related field preferred.
  • Strong understanding of accounts receivable and general accounting principles.
  • Experience with Workday as an ERP system.
  • Strong Microsoft Excel skills, including experience with formulas, filtering, sorting, and reconciliation.
  • Excellent attention to detail and organizational skills.
  • Strong analytical and problem-solving abilities.
  • Effective written and verbal communication skills.
  • Ability to prioritize multiple tasks and meet deadlines in a fast-paced environment.
  • Ability to work independently while also collaborating effectively with cross-functional teams.
  • Demonstrated ability to handle sensitive financial information with discretion.

Nice To Haves

  • Experience managing a high-volume accounts receivable portfolio.
  • Experience with B2B collections and customer account management.
  • Familiarity with cash application, credit memos, deductions, and unapplied cash.
  • Experience with month-end close and account reconciliations.
  • Experience creating and analyzing AR aging and collections reports.
  • Intermediate to advanced Excel skills, including PivotTables and lookup functions.

Responsibilities

  • Manage the day-to-day accounts receivable process, including invoicing, cash application, account reconciliation, and collections.
  • Prepare, review, and distribute accurate customer invoices and credit memos.
  • Apply customer payments accurately and timely to the appropriate accounts.
  • Monitor accounts receivable aging reports and proactively follow up on past-due balances.
  • Communicate professionally with customers regarding outstanding invoices, payment status, discrepancies, and account questions.
  • Research and resolve billing discrepancies, short payments, unapplied cash, and account variances.
  • Reconcile customer accounts and maintain accurate supporting documentation.
  • Work closely with business unit and other stakeholders to resolve billing and payment issues.
  • Assist with month-end and year-end close activities, including AR reconciliations and reporting.
  • Prepare and maintain accounts receivable reports, aging schedules, and collection summaries.
  • Identify potential credit and collection issues and escalate concerns when appropriate.
  • Maintain accurate customer account records in Workday.
  • Support internal and external audit requests related to accounts receivable.
  • Recommend and implement process improvements to increase efficiency, accuracy, and timely collections.
  • Perform other accounting and finance duties as assigned.

Benefits

  • The company is 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.
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