Sr Tax Analyst I

Sr Tax Analyst I (State Tax) - Foster City, California Key Responsibilities Prepare and support state income and franchise tax, sales and use tax, and property tax compliance activities, including returns, extensions, estimates, and related workpapers. Compile, reconcile, and validate data required for state tax compliance, including apportionment data, tax base calculations, and supporting schedules. Maintain detailed workpapers and filing documentation to support returns, audits, and internal review. Support state tax accounting and provision processes, including return-to-provision analysis and FIN 48 documentation. Manage ongoing compliance calendars, filing deadlines, extensions, and estimated payment processes. Assist with state tax audits and controversy matters, including gathering data, preparing responses to information requests, and tracking audit items. Utilize OneSource and perform advanced Excel-based modeling, reconciliations, and data analysis to support compliance accuracy and efficiency. Support state tax planning initiatives through modeling, research, and implementation assistance. Collaborate with Finance, Legal, Treasury, and business partners to support transactions and ongoing operations. Basic Qualifications 5+ years with BS/BA 3+ years with MS/MA Preferred Qualifications / Skills 3-5 years hands-on state and local tax compliance/processing/filings (public accounting, industry, or both) Direct experience preparing/reviewing state income/franchise, sales and use, and/or property tax returns Strong working knowledge and practical experience with OneSource Advanced Excel proficiency (complex formulas, reconciliations, large data sets) Strong attention to detail; ability to manage high-volume, deadline-driven processes Clear written and verbal communication Experience supporting state tax audits/controversy preferred CPA/JD/MST or progress toward one of these credentials is a plus Benefits Eligible employees may participate in company-sponsored medical, dental, vision, and life insurance plans. #J-18808-Ljbffr Scorpion Therapeutics