Senior Tax Analyst

The group you’ll be a part of

You will join our U.S compliance tax team which is a part of our Global Tax Department. Global Tax plays a critical role in managing tax strategies and compliance for a diverse portfolio of operations across multiple regions. As part of a dynamic, highly skilled group, you will collaborate with tax professionals worldwide, working on complex tax issues to support the company’s global business objectives.

This is an excellent opportunity to contribute to a global tax function in a fast‑paced, multinational environment.

This role is primarily responsible for the full cycle of federal corporate income tax compliance, including return preparation, estimated payments, extensions, federal audit support, and key contributions to Lam’s quarterly & annual tax provision. The ideal candidate brings strong technical expertise, meticulous attention to detail, and a commitment to staying current on U.S. federal tax law. While the core focus is federal compliance, the role also contributes to targeted tax technology and process improvement initiatives to help modernize and streamline the tax function.

This position reports directly to a Senior Tax Manager and works closely with internal tax sub‑teams, Finance, Accounting, and other cross‑functional partners.

• Prepare and review federal corporate income tax returns using One Source Income Tax, ensuring accuracy, completeness, and compliance with all filing requirements.
• Lead the data gathering and analysis process, including extracting financial data from SAP, validating inputs, and preparing audit‑ready supporting documentation.
• Basic understanding of income tax accounting and have hands‑on experience on deferred tax calculations.
• Compute and analyze book‑to‑tax differences, including permanent and temporary items, and prepare detailed supporting schedules.
• Support the annual and quarterly tax provision by preparing deferred tax calculations, true‑up analyses, and federal tax attribute roll‑forwards (e.g., NOLs, credits, 163(j) limitation, 174 amortization).
• Prepare and review federal estimated tax payments and extensions, including safe harbor calculations and supporting analytics.
• Prepare cash tax forecasts and provide variance analysis to management.

• Partner with Accounting, FP&A, Treasury, IT, and external advisors to gather data, validate information, and ensure accuracy of tax reporting.
• Work with internal tax sub‑teams to coordinate key compliance deliverables and support broader tax initiatives.

• Assist in responding to federal tax audits, including preparing requested schedules, gathering documentation, and drafting responses.
• Conduct technical tax research related to federal income tax issues, compliance requirements, and legislative updates.
• Monitor tax law changes and assess their potential impact on Lam’s federal positions and reporting.

• Contribute to the maintenance and enhancement of One Source Income Tax, including supporting system updates and performing light user testing.
• Use available tools such as Excel, Power Query, Alteryx, or Power BI to help streamline recurring workpaper preparation, data transformation, or validation steps.
• Assist in standardizing templates, improving workflow efficiency, and supporting small‑scale automation initiatives that enhance U.S. compliance accuracy and productivity.
• Collaborate with Finance and IT teams to strengthen tax data readiness and documentation of federal compliance processes.

• Bachelor’s degree in Accounting required;
  Master of Taxation and/or CPA strongly preferred.
• Minimum 2+ years of relevant tax experience in public accounting and/or a large corporate tax department.
• Strong emphasis and hands‑on experience with federal corporate income tax compliance.

• Strong understanding of U.S. federal income tax law and the ability to interpret new legislation and related guidance.
• Hands‑on experience with One Source Income Tax and SAP strongly preferred.
• Profic…