Administrator, Accounts Payable

Trinity Structural Towers; Dallas (TX); On-site; USD 55,000 - 75,000; Full time

Job summary

Trinity Industries, Inc. in Dallas, TX seeks an Administrator, Accounts Payable to manage end-to-end AP in a high-volume environment. You will handle invoice matching, payments, and vendor data integrity while supporting SOX compliance and cross-functional processes.

The role requires 2–4 years of AP experience, strong analytical skills, and attention to detail. ERP systems experience (SAP/Oracle) is preferred, with a focus on accuracy and efficiency.

Qualifications

• 2–4 years of AP experience in a high-volume environment.
• Experience with 2-way and 3-way invoice matching and PO workflows.
• Strong attention to detail and internal controls.

Responsibilities

• Accounts Payable Processing: match invoices, resolve discrepancies, and reconcile payments.
• Discount monitoring and recovery; ensure timely approvals.
• Vendor setup, maintenance, and master data integrity with tax/banking validation.
• SOX control evidence and audit-ready documentation.
• Cross-functional collaboration with Operations, Procurement, and Treasury.

Skills

Accounts Payable

2-way/3-way matching

ERP systems

Tools

SAP

Oracle

Job description

Delivering Goods For The Good Of All™ - TrinityRail

While _TrinityRail_ has built one of the broadest and deepest railcar platforms in the world, it’s what’s inside our cars that counts. We are proud to manufacture, maintain, and manage the railcars that deliver the indispensable goods that keep our lives, and our economy, rolling. “Delivering Goods For The Good Of All” is why we proudly come to work each day, and this is why our company exists. This is our purpose._TrinityRail_ provides- Railcar Manufacturing: https://www.trinityrail.com/products/- Railcar Leasing Solutions: https://www.trinityrail.com/leasing/- Railcar Maintenance & Parts: https://www.trinityrail.com/maintenance/- Fleet Management Services: https://www.trinityrail.com/fleet-management/For more information, visit us at trinityrail.com.Learn more about Trinsight®: https://www.trinityrail.com/trinsight/Trinsight is _TrinityRail_ 's cloud-based platform purpose-built to bring your fleet into focus, allowing you to transform and streamline your supply chain with real-time tracking, analysis and management features that modern logistics demandsVideo tranFor decades, _TrinityRail_ has been delivering the goods that keep North America moving. A humble promise to transport the everyday things that make everybody's lives better. It's our commitment to being stewards of the supply chain connecting companies with customers. People with products and Delivering Goods for the Good of All. While we've built one of the broadest and deepest railcar platforms in the world, to us it's what's on the inside that counts. And the purpose these products serve for you like grain the secret ingredient for making memories, or gravel that paves the way for a getaway, fuel to power the road trip of a lifetime, cars that transport us to exciting new places, and essential chemicals that purify our water food and promote a healthy way of life. Indispensable goods that truly move us and keep our lives, and our economy rolling. TrinityRail is proud to

Trinity Industries is seeking an Administrator, Accounts Payable for our Dallas, TX Headquarters. This position supports end-to-end AP operations in a high-volume, controls-driven environment. Responsible for daily 2-way and 3-way invoice matching, open payables monitoring, and partnering with Plant Operations and Procurement to resolve receiving issues, PO discrepancies, and billing variances. This role also ensures vendor master data integrity through supplier setup, tax and banking validation, and SOX-compliant documentation. The Administrator collaborates across Business Units to streamline workflows, supports vendor account reconciliations and bank reconciliation activities, and hosts vendor meetings as needed. The ideal candidate brings strong analytical skills, meticulous attention to detail, and a service-oriented mindset.

What You’ll Do:

Accounts Payable Processing

• Invoice Processing – Match 2-way and 3-way invoices within established cycle times. Resolve receiving discrepancies, PO mismatches, and pricing variances with internal stakeholders. Conduct vendor statement reconciliations to clear balances and prevent aging.
• Discount Monitoring & Recovery – Monitor discount-term invoices to identify missed or at-risk discounts. Expedite approvals when windows are closing. Analyze variances to determine root cause and whether repayment is warranted.
• Invoice Holds & Exceptions – Investigate and clear holds or equivalent exception codes) by resolving data mismatches, missing documentation, or policy exceptions. Document root cause, corrective actions, and resolution timelines.
• Supplier Setup & Maintenance – Process new vendor setups, changes, and deactivations with complete documentation. Validate TIN/W-9/W-8, remit-to details, payment methods, banking data, tax codes, and 1099 indicators.
• Supplier Updates – Execute address, remit-to, contact, tax, and payment term changes with audit-ready documentation and data governance adherence. Ensure all changes are authorized and traceable.

Returned ACH Resolution – Investigate ACH returns, coordinate supplier outreach, complete bank revalidation, and update payment data to prevent recurrence.

SOX Controls & Compliance

• Control Evidence – Maintain evidence in the designated repository using standardized naming and indexing. Keep documentation complete, current, and audit ready.
• Approval Workflows – Ensure vendor setups, master data changes, and payment releases follow established workflows and the authorization matrix. Escalate deviations promptly.

Supplier Documentation – Validate W-9/W-8 forms, tax data, and bank verification to maintain accuracy, compliance, and data integrity.

Stakeholder Collaboration & Vendor Relations

• Cross-Functional Partnership – Partner with Plant Operations, Procurement, Treasury, and Business Units to streamline workflows, resolve escalations, and improve end-to-end efficiency.
• Vendor Meeting Facilitation – Host vendor review meetings for reconciliation, dispute resolution, or relationship management. Prepare documentation and follow up on action items.
• Reconciliation Artifacts – Supply payment confirmations, remittance details, void/reissue documentation, and approver signoffs to Treasury within established deadlines.
• Outstanding Check Research – Research and resolve outstanding checks, stale-dated items, and unclaimed property inquiries. Coordinate disposition including void/reissue or escheatment.
• Reconciliation Timeliness – Clear all AP-related reconciliation items within the monthly close cycle. Escalate aged items to the AP Manager with root-cause analysis and corrective recommendations.

Key Decision Rights

• Review and release payments per the approval matrix and payment-file transmission controls
• Approve or accelerate vendor master data changes based on documentation completeness and policy compliance
• Investigate and resolve invoice holds and exceptions, document root cause and corrective actions
• Flag and escalation control gaps, unauthorized changes, or compliance risks to the AP Manager

What You’ll Need:

• 2–4 years of AP experience, preferably in a shared services or high-volume environment required
• Working knowledge of 2-way/3-way invoice matching, PO workflows, and vendor payment processes
• Experience with ERP systems (SAP, Oracle, or equivalent) and proficiency in Microsoft Excel
• Ability to independently review payment releases per the approval matrix and ensure proper controls over payment-file transmission
• Strong analytical skills; ability to document exceptions with timestamps, root-cause analysis, and corrective actions
• High attention to detail; maintains organized control evidence with standardized naming and indexing
• Solid understanding of SOX controls and internal audit requirements related to AP
• Excellent communication skills; interacts professionally with vendors, plant personnel, and cross-functional partners
• Must be able to work extended hours during month-end and year-end close periods
• Consistent focus and organizational discipline required for a high-volume, deadline-driven environment.

Preferred Qualifications

• Experience with vendor master data management, including TIN/W-9/W-8 validation and bank verification
• Familiarity with ACH processing, return resolution, and electronic payment methods
• Experience supporting bank reconciliations, outstanding check research, positive pay monitoring, or escheatment
• Exposure to process improvement or automation tools
• Bilingual proficiency (Spanish/English) is a plus for supporting a multilingual environment

EOE

Trinity Industries, Inc., and its subsidiary or affiliated companies (hereinafter “Trinity”) are committed to equal employment opportunity. It is our policy to consider candidates for employment without regard to race, color, sex, sexual orientation, gender identity, religion, age, national origin, disability, or veteran status.

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Trinity participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S.

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Trinity is committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process, please send an e-mail to [e-mail] . This email address should only be used for accommodations and not general inquiries or resume submittals.