Seeking a Senior Tax Analyst to support the U.S tax function in a leading Clinical Research Organization. The role involves preparing federal, state, and local income tax returns, assisting with quarterly payments, and managing indirect taxes like sales, use, and property taxes. Responsibilities include monitoring tax rule changes, preparing components of the income tax provision in accordance with ASC 740, and supporting external audits. Candidates should have 3-5 years of relevant corporate tax experience, a MS in Taxation or Accounting (CPA preferred), strong Excel skills, and experience with tax software. The position offers opportunities for professional growth, a collaborative environment, flexible work arrangements, and comprehensive benefits. Ideal for detail-oriented individuals with excellent analytical and communication skills who are passionate about making a difference in healthcare.