Internal Audit Co-Op

Job Title

Internal Audit Co-Op

Job Description

Here at Entegris, we use advanced science to enable technologies that transform the world, and we are seeking employees who have the drive to continue the mission.

The Role

Our site in Billerica, MA is seeking a Internal Audit Co-Op to join our team for the Spring 2027 season. This assignment is intended to be 6 months in duration. In this role, you will support Internal Audit’s operational risk-based audit work across Entegris by helping evaluate business processes, analyze data, document walkthroughs, test controls, and prepare audit workpapers. The co-op will gain practical exposure to global manufacturing operations, enterprise risk management, internal controls, process improvement, and audit reporting while working with cross-functional stakeholders across the organization.

What You’ll Do

Support operational risk-based audits across manufacturing sites, shared services, supply chain, procurement, inventory, logistics, quality, compliance, finance, and other business processes. Assist with audit planning activities, including process research, risk identification, documentation request tracking, meeting preparation, and analysis of policies, procedures, and business data. Participate in walkthroughs, interviews, and control testing to understand how key processes are designed, performed, reviewed, and documented. Prepare clear audit documentation, summarize testing results, identify potential control gaps, and help develop practical recommendations that support operational improvement and risk reduction.

What We Seek

Current undergraduate or graduate student with interest in internal audit, risk management, business operations, finance, accounting, supply chain, data analytics, or manufacturing processes. Strong analytical, communication, organization, and problem-solving skills, with a willingness to learn, ask thoughtful questions, and understand how business processes operate. Detail-oriented and comfortabl