Job Description

Job Location: CIS Houston Corporate - Houston, TX 77024
Position Type: Full Time
Job Shift: Day
Senior Accounts Payable (AP) Specialist

Industry: Medical Imaging / Imaging Services

Position Summary
The Senior Accounts Payable (AP) Specialist is responsible for overseeing the full-cycle accounts payable process for a fast-paced imaging company. This role ensures timely and accurate processing of vendor invoices, employee reimbursements, and payments while maintaining compliance with company policies and accounting standards. The Senior AP Specialist serves as a subject matter expert, supports month-end close activities, and collaborates closely with operations, procurement, and finance teams to improve processes and strengthen internal controls.
Key Responsibilities
Accounts Payable Operations
- Manage the full-cycle accounts payable process, including invoice receipt, coding, approval routing, and payment processing.
- Review and process high volumes of vendor invoices with accuracy and timeliness.
- Ensure proper coding of expenses to general ledger accounts, departments, and locations.
- Verify supporting documentation and compliance with company policies and contractual agreements.
- Process weekly and monthly payment runs via ACH, wire transfer, and check.
Vendor Management
- Serve as the primary point of contact for vendor inquiries and payment-related issues.
- Maintain accurate vendor records, including W-9 documentation and banking information.
- Reconcile vendor statements and resolve discrepancies promptly.
- Establish and maintain positive vendor relationships to support operational continuity.
Financial Reporting & Reconciliations
- Perform AP reconciliations and assist with month-end, quarter-end, and year-end closing activities.
- Accrue expenses as needed and support preparation of financial reports.
- Analyze AP aging reports and ensure timely resolution of outstanding items.
- Assist with annual audits by providing supporting documentation and responding to auditor requests.

Qualifications
Required
- Associate's or Bachelor's degree in Accounting, Finance, Business Administration, or related field; equivalent experience may be considered.
- 5+ years of progressive accounts payable experience, preferably in healthcare, medical imaging, or multi-location service organizations.
- Strong understanding of accounts payable principles, general ledger accounting, and financial controls.
- Experience processing high-volume invoices and managing multiple vendor relationships.
- Advanced proficiency with Microsoft Excel and ERP/accounting systems.
- Strong analytical, organizational, and problem-solving skills.
- Excellent communication and customer service abilities.