Accounts Receivable Specialist: Accurate Invoicing & Collections

Witt O'brien's LLC; Houston, Northern (TX, KY); Hybrid; USD 36,000 - 47,000; Full time

Job summary

Ambipar / Witt O’Brien’s is seeking an Accounts Receivable Specialist to join our Houston finance team. You will manage invoicing, cash application, AR aging, collections, and reconcile accounts, while delivering accurate customer billing and timely payments.

We value detail-oriented professionals with 3–5 years in AR, experience with Workday, advanced Excel skills, and strong communication. This on-site role reports to the AR/AP Manager and offers hourly compensation in the $26–$34 range.

Qualifications

• 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 formulas, filtering, sorting, and reconciliation.

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 AR aging reports and proactively follow up on past-due balances.
• Reconcile customer accounts and maintain accurate supporting documentation.
• Assist with month-end and year-end close activities, including AR reconciliations and reporting.

Skills

Accounts receivable

Excel

Detail oriented

Communication

Team collaboration

Education

Bachelor's degree in accounting

Tools

Workday

Job description

Ambipar / Witt O’Brien’s is seeking an Accounts Receivable Specialist to join our Houston finance team. You will manage invoicing, cash application, AR aging, collections, and reconcile accounts, while delivering accurate customer billing and timely payments.

We value detail-oriented professionals with 3–5 years in AR, experience with Workday, advanced Excel skills, and strong communication. This on-site role reports to the AR/AP Manager and offers hourly compensation in the $26–$34 range.