Senior Tax Analyst

Supernus Pharmaceuticals is an award-winning biopharmaceutical company with more than 30 years of experience in developing and commercializing products that treat central nervous system (CNS) diseases. At Supernus, we develop innovative products that help treat neurological and psychiatric conditions. We currently have 9 products in the market that are making a real impact on patient outcomes.

The Senior Tax Analyst is a key member of the Finance organization that directly supports taxation compliance and accounting for federal, state, local and global jurisdictions. This position will provide hands‑on processing and day‑to‑day taxation related issues including, but not limited to, multi‑jurisdiction taxation compliance and payments, accounting under ASC 740, and reporting. This role actively collaborates with both Supernus Finance, external departments, and vendors to drive consistent and effective information for tax filings, reporting and planning.

• Responsible for analyzing, reviewing, and preparing as necessary, all federal, state, local, and global tax compliance filings timely and accurately including returns, estimates and extensions.
• Maintaining and expanding current knowledge of emerging tax issues and developments, identifying, researching, evaluating and implementing federal, state, local and global tax optimization and cash flow strategies.
• Assist with the full‑cycle process of initiating, responding to, and resolving all compliance related audits.
• Provides support to tax advisors, managing tax audits, inquiries, and litigation.
• Assist with additional analyses as needed, including R&D Credit Studies, State Tax Nexus studies, UNICAP studies, Section 382 limitation studies, etc.
• Assist in monitoring changes in tax legislation and advise on adjustments.
• Assist in developing and implementing strategies to minimize global tax liability.
• Assist with any additional international tax filings and reporting, as necessary.

• Assist with the quarterly and annual ASC 740 tax provision and reporting process, including preparing supporting work papers and evidence developed.
• Gather and review data requests from the Finance department, external departments, and external advisors.
• Prepare portions of the quarterly and annual provisions to ensure completeness and accuracy of all inputs and conclusions; responsibilities include return to provision calculation, deferred tax assets/deferred tax liability calculations, & payable proof preparation and review.
• Assist with drafting quarterly and annual memoranda regarding the tax provision and positions taken by the organization.
• Assist with ensuring all new tax guidance issued from the FASB, SEC, and other regulatory authorities are incorporated into the quarterly and annual tax provisions.
• Assist in the preparation and review of certain financial statement footnotes in accordance with SEC and ASC 740 requirements.
• Assist with quantifying and documenting uncertain tax provisions as required under ASC 740.
• Assist with identify and calculating book to tax adjustments.
• Prepare quarterly tax entries, including on a monthly, quarterly and annual basis.
• Assist with the financial statement audit process, interacting directly with the external auditors.

• Maintain compliance with internal controls, policies, and procedures including ensuring SOX controls and compliance.
• Document current processes and update/optimize processes to upgrade to best practices.
• Other ad‑hoc research, audit request, data analysis, department financial planning or LRP projects as needed.

• N/A

• Bachelor's degree required, preferably in Accounting or Finance or Taxation; CPA preferred.
• Four years of relevant experience required, or equivalent public accounting experience.
• Public company and SOX 404 experience preferred.
• Previous experience in life sciences, or other high‑tech environment a plus.
• Strong communication skills (written and oral) and a demonstrated ability to work effectively across functions.
• Strong knowledge of Microsoft…