Accountant III

AAON, Inc.; United States; On-site; USD 89,000 - 121,000; Full time

Benefits offered by this job

Tuition reimbursement

Paid time off

Paid holidays

Healthcare + HSA

Profit sharing/Bonus

Premium 401(k)

Job summary

AAON, Inc. is seeking an Accountant III to perform advanced accounting responsibilities and provide experienced support for financial reporting, account analysis, reconciliations, and compliance activities.

This role partners with business stakeholders to support financial decision‑making and continuous improvement initiatives. The position works independently on a broad range of accounting functions, mentoring less experienced staff and supporting internal and external audit activities.

Qualifications

• Advanced knowledge of accounting principles and financial reporting practices.
• Strong analytical and problem-solving abilities.
• Ability to identify process improvement opportunities and implement solutions.
• Ability to manage multiple priorities and meet deadlines in a dynamic environment.

Responsibilities

• Prepare, review, and analyze complex accounting transactions and journal entries.
• Lead account reconciliation activities and resolve discrepancies.
• Support month-, quarter-, and year-end close processes for accurate reporting.
• Prepare financial analyses and schedules to support decisions and compliance.
• Assist in developing and improving accounting processes and internal controls.
• Support audit activities with documentation and responses to inquiries.
• Collaborate with cross-functional teams to address accounting issues.

Skills

Analytical skills

Process improvement

Prioritization

Independence

Education

Bachelor's degree in Accounting, Finance, or related discipline

Job description

Job Description

The Accountant III performs advanced accounting responsibilities and provides experienced support for financial reporting, account analysis, reconciliations, and compliance activities. This role contributes to departmental objectives by ensuring the accuracy and integrity of financial information, identifying process improvements, and resolving complex accounting issues. The position works independently on a broad range of accounting functions and serves as a resource to less experienced team members. The Accountant III partners with business stakeholders to support financial decision‑making, regulatory compliance, and continuous improvement initiatives.

Primary Duties

• Prepare, review, and analyze complex accounting transactions and journal entries to ensure the accuracy of financial records.
• Lead account reconciliation activities, investigate variances, and resolve accounting discrepancies in a timely manner.
• Support and coordinate month-end, quarter-end, and year-end close processes to ensure accurate and timely financial reporting.
• Prepare financial analyses, reports, and schedules used to support business decisions and compliance requirements.
• Assist in the development, implementation, and improvement of accounting processes, procedures, and internal controls.
• Support internal and external audit activities by providing documentation, analysis, and responses to inquiries.
• Collaborate with cross-functional teams to address accounting issues and support organizational objectives.
• Provide guidance and technical support to less experienced accounting staff.

Primary duties may include, but are not limited to:

• Review and analyze financial transactions to ensure compliance with accounting principles and company policies.
• Prepare and review account reconciliations, financial statements, and supporting schedules.
• Research and resolve complex accounting issues and recommend appropriate solutions.
• Assist with the implementation of process improvements that enhance efficiency, accuracy, and internal controls.
• Support audit, compliance, and financial reporting requirements.
• Provide mentoring and day‑to‑day guidance to less experienced team members.
• Perform other duties as assigned.

Job Requirements

Education and Experience Requirements

Requires a Bachelor’s degree in Accounting, Finance, or a related discipline; 5+ years of accounting, finance, or related experience, or any combination of education and experience, which would provide an equivalent background.

Preferred

• Experience in a manufacturing or industrial environment.
• Certified Public Accountant designation or progress toward a professional accounting certification.
• Experience supporting complex financial reporting, audit activities, and accounting process improvements.

Knowledge, Skills, and Abilities

• Advanced knowledge of accounting principles, financial reporting practices, and account reconciliation processes.
• Strong analytical and problem‑solving skills with the ability to evaluate complex financial information.
• Ability to identify process improvement opportunities and recommend practical solutions.
• Strong attention to detail and organizational skills.
• Effective written and verbal communication skills.
• Ability to manage multiple priorities and meet deadlines in a dynamic environment.
• Ability to work independently and exercise sound judgment in resolving accounting issues.
• Ability to provide guidance and support to less experienced accounting staff.

Essential and Physical Functions

• Ability to apply advanced analytical thinking and problem‑solving skills to complex accounting matters.
• Frequent use of a computer and related office equipment.
• Ability to remain seated for extended periods while reviewing, analyzing, and interpreting financial information.
• Ability to maintain concentration and accuracy when working with detailed financial data.
• Occasional lifting or carrying of files, documents, or office materials up to 20 pounds.

Work Environment

Perform all tasks on‑site in a professional office environment. Work is primarily sedimentary with regular use of office equipment. Regular interaction and collaboration with accounting, finance, operational, and business team members. No routine exposure to extreme temperatures, hazardous contaminants, moving mechanical parts, elevated work locations, or excessive noise levels. Compliance with all company policies and procedures to maintain a safe and professional work environment.

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
• Pay Range: $89,458.00 - $121,031.00

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.