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 comfortable reviewing documents, data, and process information for accuracy, completeness, and consistency. Proficient in Microsoft Excel, PowerPoint, and Word; experience with data analysis, process mapping, or dashboards is a plus. Demonstrates professionalism, curiosity, confidentiality, and interest in working with cross-functional teams in a global manufacturing environment. Desired Major(s) & Graduation Year: Preferred majors include Accounting, Finance, Business Administration, Operations Management, Supply Chain Management, Information Systems, Data Analytics, Industrial Engineering, or a related discipline. Target graduation date of December 2027 or later preferred, with availability to complete a full six-month co-op assignment. Eligibility: Must be a currently enrolled student Available to work 40 hours a week, M-F (8a-5p) beginning in January through June Must be familiar with the university’s requirements to participate in a co-op program Entegris is not currently hiring candidates for co-ops/internships who will need, now or at any time in the future, Entegris sponsorship through the H1-B lottery. WHY WORK AT ENTEGRIS? Lead. Inspire. Innovate. Define Your Future.  Not everyone who works for a global company shares the same background, experiences and perspectives. We leverage the differences of our employees to bring new ideas to the table. Every employee throughout the company is encouraged to share input on projects and initiatives. Our decision-making process is truly a collaborative effort as we realize there are leaders at every level of the organization. We put our values at the core of how we operate as an organization — not just when it’s convenient, but in a lasting and meaningful way. We want the time and energy you spend here to have a positive impact on your life inside and outside of the office. WHAT WE OFFER Our total rewards package goes above and beyond just a paycheck. Whether you’re looking to build your career, improve your health, or protect your wealth, we offer generous benefits to help you achieve your goals.Compensation: $20-$30/hour range with actual pay dependent on candidate overall skills for the role Values-driven culture with colleagues that rally around People, Accountability, Creativity and Excellence Entegris does not provide immigration-related sponsorship for this role. Do not apply for this role if you will need Entegris immigration sponsorship (e.g., H1B, TN, STEM OPT, etc.) now or in the future. At Entegris we are committed to providing equal opportunity to all employees and applicants. Our policy is to recruit, hire, train, and reward employees for their individual abilities, achievements, and experience without regard to race, color, religion, sexual orientation, age, national origin, disability, marital or military status. At Entegris, we want you to be part of our culture, which values your unique talents, skills, and experiences. We believe what we do is as important as how we do it. People at our company bring their true selves to work, and are appreciated not only for what they do, but for who they are. This plus the technical complexity of our products and solutions means you can be sure your work is both challenging and changing the world for the better. Learn more about why people enjoy working at Entegris.

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