Senior Internal Auditor

Generac Power Systems Inc; Waukesha (WI); On-site; USD 90,000 - 125,000; Full time

Job summary

Generac Power Systems Inc. is seeking a Senior Internal Auditor to plan, lead, and execute internal audits across a global manufacturing organization. The role focuses on assurance, risk assessment, and strengthening internal controls, while supporting governance and risk management processes.

The position requires 3+ years in internal audit or related finance roles, strong COSO/SOX knowledge, and leadership capabilities to mentor junior staff and engage with global stakeholders.

Qualifications

• Bachelor's degree in Accounting, Finance, IT, or related field.
• 3 years of internal audit or relevant finance experience.
• Knowledge of COSO and SOX.
• Strong data analysis and attention to detail.
• Excellent written and verbal communication.
• Ability to lead audit engagements and mentor staff.

Responsibilities

• Lead audit planning, scoping, and risk assessment for engagements.
• Develop and execute risk-based audit programs.
• Test controls and transactions; ensure timely audit completion.
• Draft findings with root-cause analysis and recommendations.
• Present results and help develop remediation plans.
• Support SOX risk assessment and testing.
• Coordinate with external auditors.
• Mentor junior auditors.
• Engage stakeholders across finance, operations, and IT.

Skills

COSO controls

SOX compliance

Financial reporting

Analytical skills

Data analytics

Communication skills

Project leadership

Risk assessment

Stakeholder mgmt

Mentoring juniors

Education

Bachelor's degree in Accounting/Finance/IT

MBA

CIA

CPA

CISA

CFE

Tools

ERP systems

Data analytics software

GRC software platforms

Job description

We believe power is a promise - a shared commitment to be there for others when it matters most. For more than 65 years, we've turned big ideas into solutions that help protect homes, strengthen businesses and build a more resilient, efficient, sustainable energy future. Ready to Power a Smarter World with us? The Senior Internal Auditor is responsible for planning, executing, and leading 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. This position plays a key role in: Leading end-to-end audit engagements (risk assessment through reporting) Supporting the organization’s SOX compliance program Identifying control gaps, operational inefficiencies, and risk exposures Collaborating with global business units and functional leaders The Senior Internal Auditor also contributes to continuous improvement initiatives and may audit staff.

Major Responsibilities

• Audit Execution & Leadership Lead audit planning, scoping, and risk assessment activities for assigned engagements
• Develop and execute risk-based audit programs
• Perform and/or oversee detailed testing of controls and transactions
• Ensure timely completion of audits
• Reporting & Issue Management 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
• SOX Compliance & Internal Controls Participate in annual SOX risk assessment and scoping
• Execute and/or review SOX control testing and evaluate design and effectiveness
• Support year-end reporting and coordination with external auditors
• Advisory & Special Projects Provide advisory support on business initiatives
• Conduct targeted reviews, investigations, or data analytics projects
• Stakeholder Engagement & Continuous Improvement 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

Minimum Job Requirements

• Education Bachelor’s Degree with a focus in Accounting, Finance, Information Technology, or other relevant business discipline
• Work Experience 3 years of internal audit, public accounting, or relevant finance/accounting experience
• Knowledge / Skills / Abilities Technical Knowledge Strong understanding of: Internal controls frameworks (COSO) SOX compliance requirements Financial reporting and accounting principles Analytical & Problem-Solving Skills Ability to assess complex processes, identify risks, and evaluate control effectiveness Strong data analysis capabilities with attention to detail Critical thinking and professional skepticism Communication & Interpersonal Skills 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 Project Management & Leadership Ability to manage multiple audits and priorities simultaneously Experience leading audit engagements and providing direction to team members Strong organizational and time management skills

Preferred Job Requirements

• Education Master of Business Administration (MBA) Certification / License Certified Internal Auditor (CIA), Certified Public Accountant (CPA), Certified Information Systems Auditor (CISA), Certified Fraud Examiner (CFE), or other relevant professional certification
• Work Experience Audit experience in public accounting or within a global manufacturing firm
• Knowledge / Skills / Abilities 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 #LI-BB1

Physical Demands

While performing the duties of this job, the employee is regularly required to talk and hear; and use hands to manipulate objects or controls. The employee is regularly required to stand and walk. On occasion, the incumbent may be required to stoop, bend, or reach above the shoulders. The employee must occasionally lift up to 25 pounds. Specific conditions of this job are typical of frequent and continuous computer-based work requiring periods of sitting, close vision, and the ability to adjust focus. Occasional travel.

“We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, disability status, protected veteran status, or any other characteristic protected by law.”

We believe power is a promise - a shared commitment to be there for others when it matters most. For more than 65 years, we've turned big ideas into solutions that help protect homes, strengthen businesses and build a more resilient, efficient, sustainable energy future. Ready to Power a Smarter World with us?

As one of the leaders and largest suppliers of power generation equipment and technology, the work we do touches millions of lives. Employees at Generac are encouraged to be innovative and are valued as an integral part of our global team. Our challenging goals develop knowledgeable employees dedicated to helping continue Generac’s success. Generac provides individuals the opportunity to work in a fast-paced agile work environment where their work makes a difference in people’s lives and their own.