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The Senior Auditor will be responsible for planning and executing internal audit projects across financial, operational, compliance, and advisory areas as part of the annual internal audit plan. Approximately 60% of this role will be dedicated to Internal Control over Financial Reporting (ICFR/SOX 404) activities, with the remaining time supporting operational audits, special projects, investigations, and advisory engagements.

Responsibilities include developing audit scopes, performing risk assessments, designing and executing audit procedures, conducting audit fieldwork, evaluating the design and operating effectiveness of internal controls, and preparing reports that clearly communicate results and recommendations. The role requires strong analytical skills and the ability to evaluate business processes, identify risks, and recommend improvements that enhance control effectiveness and operational performance.

The position is based in Milford, Massachusetts, or New Castle, Delaware or, Sparks, Maryland and offers a hybrid work arrangement. The role includes domestic and international travel of approximately 20% to support audit fieldwork and business reviews.

Additionally, the Senior Auditor will: Provide assurance to management regarding the adequacy of internal controls and the design and operating effectiveness of business processes. Lead audit engagements from planning through reporting and follow-up activities. Facilitate opening, status, and closing meetings with management and key stakeholders. Execute and oversee design and operating effectiveness testing of key SOX and operational controls. Develop value-added recommendations to improve the effectiveness, efficiency, and sustainability of internal controls and business operations. Draft clear, concise, and well-supported audit reports that communicate findings, risks, and recommendations. Follow up on audit findings to ensure timely and effective remediation. Assist with special projects, investigations, and advisory engagements, both independently and in collaboration with team members. Analyze business processes to identify inefficiencies, control gaps, and opportunities for improvement. Support continuous improvement initiatives within the Internal Audit function. Build and maintain strong relationships with business stakeholders and leadership. Participate in annual risk assessments and audit planning activities. Mentor and support junior team members, as appropriate. Domestic and international travel required (approximately 20%).

Must possess high ethical standards, be self-motivated, and be a team player with the ability to manage multiple projects and meet deadlines.

Bachelor's degree in Accounting, Finance, Business, or a related field. MBA or other advanced degree preferred. Three or more years of internal or external audit experience; public accounting, Big Four, or public company experience preferred. Strong understanding of ICFR/SOX 404 requirements and internal control frameworks. Experience performing design and operating effectiveness testing of controls. Robust understanding of financial processes and business operations. Solid understanding of IIA Standards, GAAP, and SOX requirements. Professional certifications such as CPA, CIA, or CISA preferred. Strong analytical, problem-solving, organizational, and project management skills. Strong presentation, interpersonal, written, and verbal communication skills. Ability to manage multiple priorities and work both independently and collaboratively. Experience with SAP / S4 HANA, Power BI and foreign language proficiency preferred.

Waters Corporation (NYSE:WAT)  is a global leader in life sciences and diagnostics, dedicated to accelerating the benefits of pioneering science through analytical technologies, informatics, and service. With a focus on regulated, high-volume testing environments, our innovative portfolio harnesses deep scientific expertise across chemistry, physics, and biology. We collaborate with customers around the world to advance the release of effective, high-quality medicines, ensure the safety of food and water, and drive better patient outcomes by detecting diseases earlier, managing routine infections, and combating antibiotic resistance. Through a shared culture of relentless innovation, our passionate team of ~16,000 colleagues turn scientific challenges into breakthroughs that improve lives worldwide.  

Diversity and inclusion are fundamental to our core values at Waters Corporation. It benefits our employees, our products, our customers and our community. Waters complies with all applicable federal, state, and local laws. Qualified applicants are considered without regard to sex, race, color, ancestry, national origin, citizenship status, religion, age, marital status (including civil unions), military service, veteran status, pregnancy (including childbirth and related medical conditions), genetic information, sexual orientation, gender identity, legally recognized disability, domestic violence victim status, or any other characteristic protected by law. Waters is proud to be an equal opportunity workplace and is an affirmative action employer. All hiring decisions are based solely on qualifications, merit, and business needs at the time.