Senior Internal Auditor

Generac•Waukesha, WI

About The Position

The Senior Internal Auditor plans, executes, and leads internal audit and advisory engagements across a global manufacturing organization. The role provides independent, objective assurance and insight to improve operations, strengthen internal controls, and support risk management and governance processes. It leads end-to-end audit engagements, supports the SOX compliance program, identifies control gaps and operational inefficiencies, and collaborates with global business units and functional leaders. The position also contributes to continuous improvement initiatives and may audit staff.

Requirements

Bachelor’s degree with a focus in Accounting, Finance, Information Technology, or another relevant business discipline.
At least 3 years of internal audit, public accounting, or relevant finance/accounting experience.
Strong understanding of internal controls frameworks, including COSO.
Strong understanding of SOX compliance requirements.
Strong understanding of financial reporting and accounting principles.
Ability to assess complex processes, identify risks, and evaluate control effectiveness.
Strong data analysis capabilities and attention to detail.
Critical thinking and professional skepticism.
Excellent written and verbal communication skills.
Ability to clearly articulate audit issues and recommendations to all levels of management.
Strong stakeholder management and influencing skills.
Ability to manage multiple audits and priorities simultaneously.
Experience leading audit engagements and providing direction to team members.
Strong organizational and time management skills.

Nice To Haves

Master of Business Administration (MBA).
Certified Internal Auditor (CIA), Certified Public Accountant (CPA), Certified Information Systems Auditor (CISA), Certified Fraud Examiner (CFE), or another relevant professional certification.
Audit experience in public accounting or within a global manufacturing firm.
Familiarity with IIA Global Standards.
Familiarity with ERP systems.
Experience with data analytics and/or AI software.
Familiarity or past experience with audit, SOX, or other GRC software platforms.
Familiarity with financial consolidation software.
Familiarity with manufacturing and supply chain processes.

Responsibilities

Lead audit planning, scoping, and risk assessment activities for assigned engagements.
Develop and execute risk-based audit programs.
Perform or oversee detailed testing of controls and transactions.
Ensure timely completion of audits.
Draft clear, concise audit findings, including root cause analysis and practical recommendations.
Present results to management and support development of remediation plans.
Track and validate corrective actions.
Participate in annual SOX risk assessment and scoping.
Execute or review SOX control testing and evaluate control design and effectiveness.
Support year-end reporting and coordination with external auditors.
Provide advisory support on business initiatives.
Conduct targeted reviews, investigations, or data analytics projects.
Build effective relationships with global stakeholders across finance, operations, and IT.
Support Audit Committee and senior leadership reporting as needed.
Contribute to internal audit methodology enhancements and best practices.
Mentor junior auditors.