Lead internal auditor

As the Lead Internal Auditor you will support Dexcom’s Global internal audit function from the Athenry office, reporting directly to the Global Senior Manager of Internal Audit. You will interact with all levels, build relationships with internal and external auditors, and play a key role in driving efficiency and value across the organization.Where you come in: ResponsibilitiesLead or execute internal audits designed to reinforce Dexcom’s business imperative and identify opportunities to improve our business operation.Support audit planning, develop audit work plans and procedures, supervise fieldwork, assist in the review of internal audit work papers, and provide feedback to aid staff development.Ensure completion of high‑quality integrated walkthrough documentation that demonstrates understanding of business and financial operations, key report reliance, identified risks, and control design (including Management Review Controls).Leverage data‑driven approaches to analyze business processes, assess controls and risks, and design audit procedures.Perform internal audits across a broad range of operational, financial, and IT processes, identifying control gaps and providing practical recommendations to strengthen performance and compliance.Execute SOX404 control testing, evaluate control effectiveness, and ensure compliance with USGAAP and best practices.Liaise with process and control owners and external auditors as the main point of communication for Dexcom integrated financial statement audits.Support or lead inventory‑related audit activities, evaluate controls over inventory movements, cycle counts, and physical observations, and assess related risks in manufacturing and distribution.Prepare comprehensive reports of audit findings and make constructive recommendations for management to improve the adequacy, effectiveness, and efficiency of controls and operations.Assess whether corrective actions on reported findings are performed timely and achieve desired results.Develop positive relationships with management and promote control awareness throughout the organization.Perform other duties and/or special projects as assigned in response to changing business conditions and/or requirements.What makes you successful: QualificationsDemonstrated organizational, time‑management, analytical, and communication skills; able to work both independently and in teams.Professional certification such as ACA, ACCA, CPA, or CIA.Proven experience in internal audit, data analytics, testing of key reports, and project leadership from a large manufacturing company; minimum 3‑4 years from a public accounting firm (Big4 preferred).Strong and current understanding of auditing standards, risk evaluation, and execution of operational and financial internal audit programs.Experience with COSO control framework and Section404 of the Sarbanes‑Oxley Act (SOX) internal controls.Proficiency in Microsoft Office (Word, Excel, PowerPoint); experience with Lucidchart for documentation, and Tableau, PowerBI, and Oracle Fusion is a plus.Flexible schedule to work with global audit, finance, functional, and IT teams.Willingness to relocate within driving distance of the Athenry office for in‑person work.What you’ll get: BenefitsExposure to cutting‑edge CGM technology and a supportive, inclusive workplace.A comprehensive benefits program.Global growth opportunities.Career development through in‑house learning programs and/ or tuition reimbursement.An innovative, industry‑leading organization committed to employees, customers, and communities.Experience and EducationTypically requires a bachelor’s degree and 7‑10 years of related experience.Graduate degree may be desirable with 4 years of related experience.Travel Required5‑15%
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