Job Description: The AR & Billing Specialist is responsible for performing advanced accounting functions, including complex transaction processing, reconciliations, and financial analysis to support accurate financial reporting. This role contributes to departmental objectives by ensuring data integrity, resolving complex discrepancies, and supporting month-end close and audit activities. The position operates with a high level of independence and serves as a key resource within the accounting team. This role also supports process improvements and provides guidance to less experienced team members to enhance overall accounting efficiency and accuracy. Primary Duties: Perform advanced accounts receivable and billing functions, ensuring accuracy and compliance with company policies. Analyze and resolve complex discrepancies related to invoices, payments, and account balances. Prepare and review journal entries, account reconciliations, and supporting documentation for financial close processes. Reconcile accounts payable and general ledger accounts, ensuring completeness and accuracy of financial records. Review transactions for proper coding, approvals, and adherence to internal controls. Support month-end and year-end close activities, including reporting and variance analysis. Generate and analyze financial reports to support decision-making and operational improvements. Collaborate with internal departments and external vendors to resolve issues and improve processes. Identify and implement process improvements to enhance efficiency, accuracy, and compliance within accounting operations. Primary duties may include, but are not limited to: Lead or support audit preparation and respond to auditor inquiries. Provide training, mentorship, and guidance to Accounting Associate I and II roles. Assist with special projects related to accounting, finance, or system improvements. Support cross-functional accounting activities, including billing or general ledger support. Performs other duties as assigned. Job Requirements Education and Experience Requirements: Requires some college coursework in Accounting, Finance, or a related discipline; 5+ years of experience in accounting, accounts receivable, or a related function, Or any combination of education and experience, which would provide an equivalent background. Associate or Bachelor’s degree in Accounting or a related discipline preferred. Knowledge, Skills, and Abilities: Advanced knowledge of accounting principles and accounts receivable processes. Strong analytical and problem-solving skills. High attention to detail and accuracy in financial data. Ability to manage multiple complex tasks and deadlines. Strong communication and interpersonal skills. Ability to work independently and mentor others in a team environment. Essential and Physical Functions: Ability to analyze complex financial data and resolve discrepancies. Strong organizational and critical thinking capabilities. Ability to manage multiple priorities in a fast-paced environment. Frequent sitting and computer use for extended periods. Occasional standing, walking, and movement within office or facility environments. Ability to lift up to 25 lbs. occasionally. Work Environment: Perform all tasks on-site in an office environment within a manufacturing facility. Occasional exposure to production areas with varying temperatures, dust, and noise. Regular interaction with accounting staff, operations personnel, and external vendors. Compliance with all safety policies and procedures to maintain a safe working environment. Use of personal protective equipment (PPE) as required when visiting production areas. Disclaimer: Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at a time with or without notice. This job description is not an exhaustive list of all functions that the employee may be required to perform, and the employee may be required to perform additional functions. The company reserves the right to revise this job description at any time. The employee must be able to perform the essential functions of the position satisfactorily. If requested, reasonable accommodations may be made to enable employees with disabilities to perform the essential functions of the job, absent undue hardship. Benefits and Compensation Summary: We take care of our people. We offer competitive compensation and robust benefits to all full-time team members, including: Tuition reimbursement Paid time-off Paid holidays Healthcare insurance & Health Savings Accounts Profit sharing or Annual Incentive Plan Bonus Premium 401(k) plan At AAON and BASX, we’re driven by a shared commitment to innovation, performance, and sustainability. Since 1988, AAON has been at the forefront of the HVAC industry, delivering cutting-edge solutions for commercial and industrial indoor environments. Since joining forces with AAON in 2021, BASX has built on that foundation with highly engineered, custom solutions for critical environments—including cleanrooms, data centers, and laboratories—where precision and reliability matter most. Together, we design and manufacture highly configurable systems tailored to each application, ensuring our customers achieve exceptional efficiency, performance, and long-term value. Join us in shaping smarter, more sustainable environments for the future.

Accounts Receivable & Billing Specialist.

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