Associate II Accounts Payable

Diamondback E&P LLC
relocation assistance
United States, Oklahoma, Oklahoma City
May 20, 2026
CURRENT EMPLOYEES - Please apply using "Jobs Hub" in Workday. This career site is for external applicants only. The Accounts Payable Associate is responsible for accurate and timely processing of invoices, payment requests, and maintaining timely and professional communication with vendors in accordance with company policies and internal controls. This role requires an understanding of general and administrative expense payment processing, strong attention to detail, and the ability to research and resolve vendor and payment discrepancies. The position partners closely with internal stakeholders and external vendors to support month-end close activities, maintain AP documentation, and meet processing deadlines. Job Duties and Responsibilities: Process and code vendor invoices in OpenInvoice, ensuring appropriate approvals, accurate cost allocation, and compliance with company policies Route, code, and enter check requests and wire transactions into SAP; assist with payment processing activities and related documentation Review invoice details (vendor, terms, amounts, supporting documentation) and follow up on missing information to ensure timely processing Maintain professional communication with vendors and internal business partners to resolve invoice and payment discrepancies Research and resolve accounts payable inquiries, including vendor statements, duplicate invoices, credits, and payment status questions Maintain accurate vendor and invoice records, including supporting documentation and audit-ready files Follow SOX and other internal control procedures; support annual compliance testing and audits related to accounts payable processes Other duties and special projects as assigned Required Qualifications: High School Diploma or GED Equivalent Strong attention to detail with the ability to prioritize workload and meet processing deadlines Strong communication and customer service skills; ability to partner effectively with vendors and internal stakeholders Two (2+) or more years of experience in accounts payable invoice processing and coding Preferred Qualifications: Experience with ERP systems (e.g., SAP) and AP workflow tools (e.g., OpenInvoice) Demonstrated ability to work in MS Excel (e.g., VLOOKUP, Pivot Tables, SumIF) to support reconciliations and AP reporting Knowledge of AP concepts including invoice review, payment terms, resolving discrepancies, and understanding debits/credits in an AP context Ability to identify, research, and help resolve invoice and payment issues, escalating as appropriate Ability to work independently as well as in a team environment Relocation: This position is not eligible for relocation assistance. Work Authorization: Diamondback Energy is not currently sponsoring employment visas for this position. Diamondback is an Equal Employment Opportunity Employer. Diamondback provides equal employment opportunities to all qualified applicants without regard to race, sex, sexual orientation, gender identity, national origin, color, age, religion, veteran or disability status, genetic information, pregnancy, or any other status protected by law. Diamondback participates in E-Verify. Learn more aboutE-Verify.