Sr. Internal Audit Manager

IPG Photonics is revolutionizing the laser industry as the pioneering developer and leading producer of fiber lasers and amplifiers. Headquartered in Marlborough, MA, IPG has over 4,800 employees in more than 30 locations around the world. We aspire to work together with our employees and customers to apply light in ways that improve life.

Our mission is to develop innovative laser solutions to make the world a better place. To accomplish this mission, we are committed to attracting and retaining the best talent and an engaged, and thriving workforce that drives a sustainable future for our company and society.

Working at IPG Photonics you can expect challenging projects, a motivating and friendly environment, and competitive benefits.

At IPG Photonics, we are redefining what is possible through advanced laser technology and innovation. We are seeking a strategic and hands-on Senior Internal Audit Manager to lead and strengthen the Company’s internal audit function across operational, financial, compliance, and risk management activities globally.

This role will serve as a key advisor to executive leadership by evaluating internal controls, identifying operational improvement opportunities, supporting enterprise risk management initiatives, and ensuring compliance with applicable regulatory and corporate governance requirements. The Senior Internal Audit Manager will partner cross-functionally with Finance, Operations, IT, Manufacturing, Supply Chain, HR, and executive leadership to drive accountability, process improvement, and risk mitigation across the organization.

The ideal candidate is a strong business partner with experience operating in a complex manufacturing, engineering, or global industrial environment and possesses the ability to balance governance, operational effectiveness, and business practicality.

• Lead the development and execution of the annual internal audit plan based on enterprise risk assessments and business priorities.
• Manage operational, financial, compliance, SOX, and IT-related audits across domestic and international operations.
• Evaluate the effectiveness of internal controls, governance processes, and risk management activities.
• Identify control gaps, process inefficiencies, and operational risks while developing practical, business-focused recommendations.
• Monitor remediation activities and validate completion of corrective action plans.
• Support enterprise risk management (ERM) initiatives and assist leadership in identifying emerging business risks.

• Conduct audits related to manufacturing operations, inventory controls, procurement, supply chain, engineering, quality systems, payroll, and corporate functions.
• Review financial processes to ensure compliance with GAAP, company policy, and regulatory requirements.
• Assess operational efficiency, cost controls, labor utilization, and process effectiveness.
• Evaluate compliance with company policies, procedures, and delegated authority frameworks.

• Ensure compliance with applicable laws, regulations, and internal governance standards.
• Support external audit coordination and collaborate with external auditors as needed.
• Assist with investigations involving potential fraud, misconduct, policy violations, or control concerns.
• Participate in compliance reviews related to areas such as export controls, IT security, data privacy, and manufacturing controls where applicable.

• Build strong relationships across all levels of the organization while maintaining audit independence and objectivity.
• Present audit findings, trends, and recommendations to executive leadership in a concise and actionable manner.
• Mentor and develop audit staff and support continuous improvement within the audit function.
• Drive standardization of audit methodologies, reporting, and documentation practices.
• Support special projects, integrations, organizational changes, and process transformation initiatives.

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• Bachelor’s degree in Accounting, Finance, Business Administration, or related field required.
• CIA, CISA, or equivalent professional certification strongly preferred.
• 8+ years of progressive audit, accounting, compliance, or risk management experience.
• Prior experience in public accounting and/or internal audit leadership preferred.
• Experience within manufacturing, industrial, engineering, or global operations environments strongly preferred.
• Strong knowledge of internal controls, risk assessment methodologies, and audit standards.
• Experience with SOX compliance, operational audits, and process improvement initiatives preferred.
• Demonstrated ability to influence leaders and drive accountability in a matrixed organization.
• Strong analytical, communication, presentation, and project management skills.
• Ability to manage multiple priorities and operate independently in a fast-paced environment.
• Proficiency with ERP systems, data analytics tools, and Microsoft Office applications.

• Experience auditing manufacturing operations, inventory management, or supply chain environments.
• Exposure to global business operations and multi-site audit programs.
• Experience supporting ERP implementations, system controls, or digital transformation initiatives.
• Knowledge of regulatory and compliance environments applicable to manufacturing or technology organizations.

• Strategic thinker with strong business acumen
• High integrity and professional judgment
• Collaborative and solutions-oriented approach
• Strong executive communication and influencing skills
• Ability to balance governance with operational realities
• Continuous improvement mindset