Senior Internal Auditor

Waters Corporation; New Castle (DE); Hybrid; USD 90,000 - 130,000; Full time

Job summary

Waters Corporation seeks a Senior Auditor to plan and execute internal audit projects across financial, operational, compliance, and advisory areas, with ~60% focus on ICFR/SOX 404. Hybrid role based in Milford, MA or New Castle, DE or Sparks, MD, with ~20% travel to support fieldwork.

You will lead engagements, test controls, and deliver clear reports while mentoring junior staff and driving continuous improvement across the function.

Qualifications

• 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.

Responsibilities

• 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.

Skills

Internal Audit

SOX 404

ICFR

Audit Testing

Financial processes

Education

Bachelor's degree in Accounting/Finance

MBA or advanced degree preferred

Tools

SAP S4 HANA

Power BI

Job description

Overview

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.

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.

Responsibilities

• 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.

Qualifications

• 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.

Company Description

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.