Sr. Internal Auditor

We are looking for a dynamic, detailed oriented, confident, self‑starting individual to join our amazing team. The Sr Internal Auditor supports Mercari's U.S. business by executing risk‑based internal audits and SOX compliance activities. You will partner with stakeholders across the organization to evaluate business and technology risks, assess the effectiveness of internal controls, and provide recommendations that strengthen governance, compliance, and operational efficiency. You are eager to take on increasing responsibilities and enjoy working for a fast‑paced, growing company. You will play a key hands‑on role in helping the company mature its controls environment. This is a hybrid position with an expectation of 2 days in our Palo Alto office each week. What You'll Be Doing: Internal Audit Engagements Independently conduct all phases of an audit Develop audit objectives, testing procedures, and work programs. Identify risks, control weaknesses, and process improvement opportunities. Evaluate the effectiveness of internal controls. Manage stakeholder communications throughout the audit lifecycle. Perform Risk Assessments Participate in annual enterprise risk assessments. Identify emerging risks (cybersecurity, AI, privacy, third‑party risk, etc.) Help prioritize audit activities based on risk exposure SOX Compliance Test key controls over financial reporting Test IT General Controls (ITGCs) Coordinate with external auditors Track remediation of control deficiencies and audit findings External Audit Support Support the annual financial statement audit by coordinating audit requests, preparing supporting documentation, and performing management review procedures. Communicate Findings Prepare audit reports and executive summaries. Present findings to management and audit leadership. Recommend practical, risk‑based solutions rather than simply identifying issues. Influence Process Improvements Partner with business leaders to strengthen controls. Recommend efficiencies and automation opportunities. Support governance, risk, and compliance initiatives. What You’ll Need: Bachelor’s degree in Accounting, Finance, Business, or a related field required CIA, CISA, or CPA qualification required 5+ years of relevant working experience in Audit and/or Risk Management Prior Big 4 public accounting experience is strongly preferred Understanding of and previous experience with AI tools required Understanding of COSO Frameworks is required. Internal control documentation and risk assessment experience desired Experience with NetSuite ERP or similar systems preferred Experience using an Audit/SOX tool such as Workiva or equivalent preferred Strong knowledge of the technology industry, especially marketplace and e‑commerce companies strongly preferred This position is based in the San Francisco Bay Area with an expectation of in‑office (Palo Alto) 2-3 days per week. The applicable salary range for this role is $113,600 to $170,400. In addition to base salary, Mercari’s total compensation package includes equity and a full range of physical, financial and well‑being benefits. #J-18808-Ljbffr