Senior Auditor Business Process, Internal Audit

About the Role

The Senior Auditor will be part of Mattel’s Global Internal Audit team, based in Mexico or Brazil at the local Mattel office in that country. This position will play a key role in supporting Mattel’s Sarbanes-Oxley (SOX) compliance program, with a primary focus on testing key business process and IT controls. You will work closely with Internal Audit colleagues in the U.S. and other global locations, as well as with process owners and control owners across the enterprise. This is an exciting opportunity to be part of a dynamic, collaborative team that is committed to driving strong internal controls, risk management, and operational excellence across Mattel’s global business.

What Your Impact Will Be

- Perform and document detailed SOX control testing in accordance with Mattel’s Internal Audit methodology and PCAOB standards.
- Assess the design and operating effectiveness of key controls and identify potential control deficiencies.
- Prepare clear, well-supported workpapers and communicate testing results in a concise and professional manner.
- Participate in control walkthroughs and support updates to process narratives and risk/control matrices.
- Collaborate closely with Mattel’s U.S.-based Internal Audit team and business process owners to ensure timely completion of testing and remediation activities.
- Support initiatives related to continuous control monitoring, automated controls testing, and process automation.
- Contribute to continuous improvement initiatives related to testing quality, documentation standards, and process efficiency.
- Maintain up-to-date knowledge of SOX requirements, internal control best practices, and Mattel’s corporate policies.

What We’re Looking For

**Required Qualifications:**

- Bachelor’s degree in Accounting, Finance, Business, or related discipline.
- 3–6+ years of relevant experience in internal audit, external audit, or SOX compliance.
- Hands-on experience performing SOX testing for a U.S.-listed or multinational company.
- Solid understanding of internal control frameworks (e.g., COSO) and auditing standards.
- Demonstrated experience with continuous monitoring, automated controls, or data analytics used in control testing.
- Excellent attention to detail, analytical thinking, and documentation skills.
- Strong verbal and written communication skills in English.
- Ability to collaborate effectively with cross-functional and global teams across time zones.

**Preferred Qualifications:**

- Professional certification such as CPA, CA, CIA, or equivalent (completed or in progress).
- Prior experience with a Big Four or large global public accounting firm.
- Experience using audit or GRC tools (e.g., AuditBoard, Workiva, or similar).
- Exposure to ITGC testing and advanced analytics tools.

Why You’ll Enjoy Working with Us

At Mattel, we’re passionate about our mission to create innovative products and experiences that inspire, entertain, and develop children through play. You’ll join a purpose-driven company that values creativity, collaboration, and integrity. Our culture encourages continuous learning, professional growth, and global teamwork. Together, we’re creating the future of play

At Mattel, we inspire wonder in the next generation to explore the wonder of childhood and reach their full potential. We are a leading global toy and family entertainment company with a portfolio of iconic brands including Barbie®, Hot Wheels®, Fisher-Price®, and UNO®. We create innovative products and experiences that inspire, entertain, and develop children through play. Mattel operates in 35 locations and sells products in more than 150 countries in collaboration with the world’s leading retail and technology companies. Our mission is to create innovative products and experiences that inspire, entertain, and develop children through play.