Senior Tax Analyst

TSMC • Phoenix, AZ

15h • Onsite

About The Position

TSMC Arizona is seeking a highly motivated and detail-oriented Senior Income Tax Analyst for its Tax and Accounting department. The role supports U.S. corporate income tax compliance, tax provision calculations under ASC 740, tax planning, and tax controversy. It involves working with internal teams including Accounting, Legal, and Operations, as well as external advisors, to support compliance and TSMC’s investment and growth in Arizona. The position is on-site at TSMC Arizona’s Phoenix facility.

Requirements

• Bachelor’s degree in Accounting, Taxation, Finance, or a related field.
• 3 to 5 years of relevant corporate income tax experience in a Big 4 or national accounting firm and/or a multinational corporate tax department.
• Strong working knowledge of U.S. federal and state corporate income tax rules and ASC 740.
• Advanced proficiency in Microsoft Excel, including pivot tables, complex formulas, and data modeling.
• Strong analytical, problem-solving, and organizational skills with high attention to detail.
• Excellent verbal and written communication skills and ability to interact effectively with various levels of management.
• Must be willing and able to work on-site at the Phoenix, Arizona facility.
• Must be able to perform the essential functions of the job with or without reasonable accommodation.

Nice To Haves

• Active CPA license.
• Master of Science in Taxation (MST) or Master of Accountancy (MAcc).
• Experience with large ERP systems such as SAP or Oracle.
• Experience with federal research and development credits or Section 48D investment tax credits.

Responsibilities

• Prepare and assist in reviewing federal and state corporate income and franchise tax returns, estimated payments, and extension calculations.
• Maintain and update tax compliance calendars to meet filing deadlines.
• Gather, analyze, and reconcile financial data for tax return workpapers and tax-to-book adjustments.
• Assist with quarterly and annual income tax provision calculations under US GAAP and IFRS, including deferred tax asset and liability reconciliations and effective tax rate analysis.
• Support calculation, tracking, and compliance for federal and state tax incentives, including R&D Tax Credits and CHIPS Act Section 48D Advanced Manufacturing Investment Credit.
• Assist with state and local tax credits.
• Assist in drafting responses to Information Document Requests and inquiries from the IRS and state taxing authorities.
• Prepare supporting schedules and maintain audit-ready documentation.
• Identify opportunities to streamline and automate tax compliance and provision processes using technology such as ERP systems, tax software, Power BI, and Alteryx.
• Research tax technical issues and document conclusions in technical memorandums.
• Support cross-border and transfer pricing-related data gathering as needed.

Benefits

• Medical, dental, and vision plans.
• Income-protection programs providing financial assistance during injury or illness.
• 401(k) Retirement Savings Plan with competitive employer contributions.
• Paid time-off programs and holidays.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior