Tax Accountant / Senior Tax Accountant

Celltrion Branchburg, LLC•Branchburg Township, NJ

2h•$78,000 - $137,000•Hybrid

About The Position

The Tax Accountant / Senior Tax Accountant is responsible for supporting all areas of tax compliance, reporting, and operational tax processes across the business. This role manages direct and indirect tax activities including income tax, federal tax, state and local tax, sales and use tax, payroll tax, property tax, and other business-related taxes as applicable. The position also supports fixed asset and capital project accounting, including review and approval coordination for capital projects, capitalization of assets, maintenance of fixed asset records, and preparation of depreciation schedules and related reporting. This individual will partner cross-functionally with finance, payroll, procurement, operations, and external advisors to help ensure timely filings, accurate tax accounting, strong internal controls, and compliance with applicable regulations. The role also requires regular coordination with HQ in Korea and the parent company, Celltrion USA Inc., to align tax reporting, compliance activities, and capital asset matters across entities.

Requirements

Bachelor’s degree in Accounting, Finance, or a related financial field.
3-7 years of relevant experience in accounting, tax, or financial operations with a strong emphasis on tax.
Hands-on experience with multiple tax types, including income tax, federal tax, state and local tax, sales and use tax, payroll tax, and other business taxes as applicable.
Experience preparing reconciliations, maintaining supporting schedules, and working with tax filings, audits, or notices.
Familiarity with fixed assets and capital accounting, including capitalization principles and depreciation.
Strong analytical, organizational, and problem-solving skills with attention to detail and ability to manage deadlines.

Nice To Haves

CPA, MST, or progress toward a professional certification is preferred.
Experience in a manufacturing, pharmaceutical, life sciences, or other regulated environment is a plus.
Experience with ERP systems, fixed asset modules, tax software, and advanced Excel skills preferred.
Knowledge of property tax renditions, business licenses, exemption documentation, and internal control environments is beneficial.
Ability to communicate effectively across functions and work independently in a fast-paced environment.

Responsibilities

Execute tax compliance activities and maintain schedules for all applicable tax filings, payments, registrations, reconciliations, and supporting documentation.
Prepare and review workpapers for federal, state, and local income taxes, sales and use tax, payroll tax, property tax, annual reports, and other tax obligations. Support tax provision and related account reconciliations as needed.
Manage fixed asset and capital accounting processes, including tracking capital projects, reviewing capitalization requests, maintaining asset records, and calculating monthly and annual depreciation.
Identify process improvement opportunities to strengthen controls, improve accuracy, and support timely reporting across tax and capital asset activities.
Work closely with internal stakeholders across accounting, payroll, procurement, operations, FP&A, and project owners to gather required data, resolve tax issues, and support capital project approvals and asset classification decisions.
Coordinate with external tax advisors, auditors, and regulatory authorities as needed to support filings, notices, audits, and information requests.
Provide clear guidance to business partners on tax documentation requirements, exemption certificates, use tax accruals, and capitalization policies.
Support information sharing, reporting alignment, and cross-entity tax and fixed asset matters through ongoing coordination with HQ in Korea and the parent company, Celltrion USA Inc.
Demonstrate ownership, accountability, and the ability to guide less experienced team members or cross-functional partners on tax processes, documentation standards, and fixed asset procedures.
Support knowledge sharing, standard operating procedures, and training materials as needed.
Maintain organized tax calendars, filing trackers, fixed asset subledgers, depreciation schedules, and supporting documentation to ensure efficient execution and audit readiness.
Use ERP systems and spreadsheet-based analyses to monitor tax accounts, capital expenditures, asset additions, disposals, transfers, and depreciation activity.
Support data integrity, document retention, and compliance with internal controls and company policies.