Reporting to the Global Internal Audit VP, the Internal Audit Senior Manager for the LATAM region plays a pivotal, highly visible role in elevating the IA function into a trusted advisor across the region. Acting as the primary knowledge partner for Latin America Service & Finance (S&F) stakeholders, you will drive operational excellence, governance, and the risk agenda across all Mars segments. This role balances high-stakes regional/global financial and operational audits, fraud investigations, and consultative engagements with a strong focus on team mentorship and data-driven insights.
This is a Hybrid role based out of Querétaro, MX.
Strategic Audit Execution & Governance
Plan & Execute: Develop and deliver the annual regional internal audit plan aligned with organizational goals and macro risk assessments.
Portfolio Management: Oversee multiple complex regional and global audit engagements simultaneously, ensuring high-quality, timely delivery from planning through remediation.
Risk & Innovation: Monitor emerging risks to build risk-based work programs, championing the use of data analytics, IT procedures, and digital tools.
Quality Assurance: Conduct rigorous reviews of audit deliverables and workpapers to ensure strict alignment with Mars IA methodology and IIA standards; calibrate observations across the region to ensure reporting consistency.
Stakeholder Partnership & Executive Communication
Trusted Advisor: Build robust partnerships with regional business leaders and S&F stakeholders, influencing the governance agenda with high professionalism.
Executive Delivery: Translate complex technical audit findings and investigations into clear, succinct, action-oriented insights and presentations for senior leadership.
Independent Credibility: Stand alone independently to defend audit observations and recommendations under pressure.
People Leadership & Operational Excellence
Team Development: Direct, onboard, and coach 2 LatAm IA Managers, fostering a culture of continuous learning aligned with Mars’ Five Principles.
Resource Optimization: Manage regional resource planning, travel budgets, and scheduling, dynamically rebalancing workloads to meet audit milestones.
Bachelor’s or Master’s degree in Finance, Accounting, or a related field. Professional certifications (CPA, CIA, or CFE) are highly preferred.
10+ years of progressive experience in External or Internal Audit. Strong preference for Big 4 public accounting or FMCG/Manufacturing environment experience.
Proven track record leading or supporting Fraud & Investigations and managing risk-based financial/operational audits within a global function.
Demonstrated ability to lead, engage, and drive results through small teams, as well as influence cross-functional stakeholders without formal authority.
Strong professional skepticism, data-driven analytical curiosity, and the capability to manage through ambiguity calmly under pressure.
Full professional proficiency in English is required; additional regional language skills (Spanish/Portuguese) are highly preferred.
Work with diverse and talented Associates, all guided by the Five Principles.
Join a purpose driven company, where we’re striving to build the world we want tomorrow, today.
A strong focus on learning and development support from day one, including access to our in-house Mars University.
An industry competitive salary and benefits package, including company bonus.

We’re a unified force of 150,000+ Associates, taking action every day toward the world we want tomorrow.
Our Five Principles have kept us true to ourselves and to our commitment to treat others in ways that are consistent with those values. Having stood the test of time, these principles will continue, keeping us free to move quickly and plan for the future.
Quality - The consumer is our boss, quality is our work and value for money is our goal.
Responsibility - As individuals, we demand total responsibility from ourselves; as Associates, we support the responsibilities of others.
Mutuality - A mutual benefit is a shared benefit; a shared benefit will endure.
Efficiency - We use resources to the full, waste nothing and do only what we can do best.
Freedom - We need freedom to shape our future; we need profit to remain free.
Note to Parents:
https://www.mars.com/about/policies-and-practices/note-to-parents/np-english
For more information, please visit mars.com.
Follow us: facebook.com/mars, twitter.com/marsglobal, instagram.com/marsglobal/, youtube.com/mars
For more information about careers at Mars, please visit careers.mars.com
Follow us: facebook.com/LifeAtMars, instagram.com/LifeAtMars/, tiktok.com/LifeAtMars
Mars, Incorporated is not responsible for any content or activity made available via third party sites or services.
Page subject to:
mars.com/legal
mars.com/privacy