Sr. Internal Auditor

Description We are looking for an experienced Sr. Internal Auditor to strengthen our audit function in Plymouth, Michigan. This role will oversee risk-based audit engagements from initial planning through final reporting, while helping the business improve controls, compliance, and operational effectiveness. The ideal candidate brings strong audit judgment, experience in complex environments, and the ability to communicate findings clearly to stakeholders across the organization.

Responsibilities:

• Direct end-to-end internal audit engagements, including risk evaluation, scoping, testing, issue confirmation, reporting, and final closure of assigned reviews.

• Conduct audits across financial, operational, compliance, and organizational processes in alignment with internal audit standards, established methodology, and project timelines.

• Perform process walkthroughs, assess control design, test operating effectiveness, analyze data sets, and review supporting documentation to identify control gaps and business risks.

• Prepare organized, accurate, and audit-ready workpapers while raising significant concerns, constraints, or delays to leadership in a timely manner.

• Evaluate governance practices, risk management activities, and internal control environments to determine whether processes are effective and sustainable.

• Identify recurring control issues, emerging risks, and opportunities to strengthen compliance, accountability, process efficiency, and financial reporting quality.

• Develop clear audit observations and practical recommendations, then communicate results to process owners and senior stakeholders with professionalism and independence.

• Track corrective action plans, confirm remediation evidence, and escalate overdue or inadequate responses when necessary.

• Partner with teams across finance, operations, compliance, IT, legal, and audit functions to support risk assessment, audit planning, and continuous improvement of tools and methodologies. Requirements • Bachelor’s degree in Accounting, Finance, Business Administration, Engineering, Information Systems, or a related discipline.

• At least 5 years of experience in internal audit, external audit, risk management, controls, compliance, or a closely related field, including ownership of complex audit assignments.

• Demonstrated background in manufacturing environments; experience within automotive or global organizations is preferred.

• Working knowledge of compliance expectations, internal control frameworks, financial processes, operational processes, and risk-based auditing practices.

• Certification such as CPA, CIA, CISA, or a comparable credential is preferred; candidates actively pursuing certification are also encouraged to apply.

• Ability to interpret audit evidence, assess root causes, and present balanced, fact-based recommendations for improvement.

• Strong communication and collaboration skills, with the ability to work effectively across cross-functional teams and senior leadership.

• Prior Big Four or similar public accounting experience is considered an advantage.

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All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.

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