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Senior Internal Auditor

Job in Tulsa, Tulsa County, Oklahoma, 74145, USA
Listing for: AAON, Inc.
Full Time position
Listed on 2026-08-06
Job specializations:
  • Accounting
    Financial Compliance, Auditor Accountant, Financial Reporting
  • Finance & Banking
    Financial Compliance, Auditor Accountant, Financial Reporting
Salary/Wage Range or Industry Benchmark: 85000 - 120000 USD Yearly USD 85000.00 120000.00 YEAR
Job Description & How to Apply Below

Job Description:

The Senior Internal Auditor is responsible for evaluating and improving the effectiveness of internal controls, risk management practices, and governance processes across the organization. This role contributes to organizational objectives by leading risk-based audits, supporting Sarbanes‑Oxley (SOX) compliance activities, assessing operational and financial risks, and identifying opportunities to improve business performance and control effectiveness. The position partners closely with management, finance, manufacturing operations, information technology, and external auditors to strengthen controls, drive process improvements, and support regulatory compliance.

This role provides significant exposure to manufacturing operations, financial leadership, and enterprise risk management while serving as a key contributor to the organization's internal audit strategy.

Primary Duties
  • Lead and perform risk-based operational, financial, compliance, and SOX audits across manufacturing facilities, corporate functions, and business operations.
  • Evaluate the design and operating effectiveness of internal controls over financial reporting (ICFR) in support of SOX 404 compliance requirements.
  • Conduct process walkthroughs, control testing, risk assessments, and deficiency evaluations.
  • Develop, maintain, and update SOX documentation, including process narratives, flowcharts, risk and control matrices, and testing documentation.
  • Partner with process owners to identify control deficiencies, recommend remediation strategies, and monitor corrective action plans.
  • Coordinate audit activities with external auditors to support audit efficiency and reliance opportunities.
  • Evaluate manufacturing processes including inventory management, production controls, cost accounting, procurement, supplier management, warehousing, distribution, and capital expenditure activities.
  • Conduct plant audits, operational reviews, physical inventory observations, and process walkthroughs.
  • Identify control weaknesses, operational inefficiencies, compliance risks, and opportunities for cost savings and process enhancement.
  • Utilize data analytics and audit technologies to enhance audit effectiveness, identify risk indicators, and improve business insights.
  • Assist with the development and implementation of continuous monitoring and audit analytics programs.
  • Support enterprise risk assessments and the annual audit planning process.
  • Provide advisory support related to process improvements, system implementations, business initiatives, and internal control design.
  • Prepare clear, concise audit reports and communicate findings, recommendations, and risk assessments to management and leadership.
  • Monitor remediation activities and validate corrective actions to ensure effective resolution of audit findings.
Primary Duties May Include, But Are Not Limited To
  • Support fraud risk assessments and investigative activities.
  • Participate in ERP system reviews, technology audits, and automated control assessments.
  • Evaluate emerging technologies, automation initiatives, and AI-enabled business processes from a risk and control perspective.
  • Assist with regulatory compliance reviews and special projects.
  • Provide mentorship and guidance to less experienced audit staff.
  • Promote continuous improvement of audit methodologies, technology utilization, and reporting practices.
  • Performs other duties as assigned.
Job Requirements
  • Requires a Bachelor's degree in Accounting, Finance, Business Administration, Information Systems, or a related discipline; 5+ years of experience in internal audit, external audit, SOX compliance, risk management, accounting, finance, or a related field, Or any combination of education and experience which would provide an equivalent background.
  • Experience with in a manufacturing, industrial, or inventory-intensive environment.
  • Certified Public Accountant (CPA), Certified Internal Auditor (CIA), Certified Information Systems Auditor (CISA), or progress toward professional certification preferred.
Knowledge, Skills, and Abilities
  • Advanced knowledge of SOX 404 compliance requirements and Internal Controls over Financial Reporting (ICFR).
  • Strong…
Position Requirements
10+ Years work experience
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