POSITION SUMMARY: Provides clerical support to Oil States Energy services Accounts Payable department. Ensures that company financial obligations are timely and accurately submitted. ESSENTIAL DUTIES AND RESPONSIBILITIES: Performs routine calculations, enters business transactions, process invoices and verifies financial data for use in maintaining accounts payable records. Maintain copies of vouchers, invoices or correspondence necessary for files. Communicate with employees and vendors to resolve account discrepancies. Researches questionable invoice items, prices, or receiving signatures. Match accounts payable checks to corresponding accounts payable invoice. Match Purchase Order to related invoices. Assembles invoices to be completed for payment. Confirm all coding, reviews invoices and requisitions for satisfactory payment approval. Calculates all extensions and discounts on invoices, when applicable. Maintains Sarbanes Oxley compliance with A/P. Perform other duties assigned by supervisor. KNOWLEDGE, SKILLS AND ABILITIES: Basic knowledge of standard Accounting concepts, practices, and procedures. Proficient in the MS Office programs; Excel, Word, Outlook, and various Accounting software programs. Prior experience with JD Edwards is preferred. Ability to effectively communicate with all levels of management, co-workers, and external customers. Must be able to multi-task utilizing effective time management to meet stringent deadlines. QUALIFICATION REQUIREMENTS: High School Diploma or General Education Degree (GED) Up to two (2) years experience in Accounting or related field.