Administrator, Accounts Receivable

Accounts Receivable Administrator

Trinity Industries is looking for an Accounts Receivable Administrator based at our corporate office in Dallas, TX. This position is responsible for managing billing and mileage for the existing client base, including oversight of accounts with varying billing requirements. The Accounts Receivable Administrator is expected to perform all duties with a strong commitment to delivering exceptional service to Trinity Rail's customers.

This includes maintaining consistent communication with external clients, internal departments, and sales personnel, while also supporting change management initiatives. The role demands strong organizational and critical-thinking skills, the ability to prioritize and manage multiple tasks effectively, and the ability to assume additional responsibilities as needed. Success in this role is defined not just by volume completed, but by accuracy, judgment, and the proactive prevention of issues.

What you'll do:

• Perform monthly and weekly rental and mileage billing, consistently meeting service level agreements for customer
• Process invoices through various customer and third-party billing portals as required
• Deliver value to the business by supporting and fulfilling diverse customer reporting requirements
• Collaborate with upstream, downstream, and lateral business partners to analyze issues and drive timely resolution
• Resolve client billing disputes through investigation, troubleshooting, communication, and timely updates
• Establish clear timelines and hold customers accountable for providing required monthly information to support all billing processes and next steps
• Clearly communicate excess mileage charges and equalization details, ensuring customers understand when, why, and how charges or adjustments are applied across accounts or transactions
• Process annual excess mileage and equalization billing
• Calculate and apply interest billing for past-due invoices in accordance with contractual terms
• Monitor, manage, and resolve Sales Force billing cases, ensuring timely follow-up and documentation
• Perform other duties as assigned or as business needs evolve

What You'll Need:

• High school diploma required; college degree in Accounting, Finance, or Business Management preferred (completed or in progress).
• Minimum 4 years customer service/billing experience in a corporate setting
• Excellent communication & presentation skills with the ability to engage at all levels – from front line to executive
• Outstanding interpersonal skills with the ability to build relationships within a complex matrixed organization
• Ability to influence others through shared outcomes and common goals
• Proficiency in Microsoft Office including Excel and Word
• Must have attention to detail with an eye for accuracy.
• Creative, self-disciplined, and capable of identifying and completing critical tasks independently and with a sense of urgency.
• Ability to apply fundamental accounting knowledge to daily transactions
• Proven ability to be a self starter with little direction.
• Experience with Oracle, SAP, People Soft, or any other ERP system is preferred
• Strong analytical, organizational, time management and multi-tasking skills
• Able to comfortably analyze large quantities of data through usage of pivot tables, formulas, etc