Senior Tax Advisor

Thornton Tomasetti • New York, NY

8d • $100,000 - $130,000

About The Position

Thornton Tomasetti applies engineering and scientific principles to solve the world’s challenges. An independent organization of creative thinkers and innovative doers collaborating from offices worldwide, our mission is to bring our clients' ideas to life and, in the process, lay the groundwork for a better, more resilient future. We provide support and opportunities to our employees to achieve their full potential and cultivate a rewarding career. The Role We are seeking a Senior Tax Advisor to join our dynamic Finance team. This is a high-impact role offering exposure to global tax operations, strategic planning, and complex international structures. You will play a key role in shaping our tax processes, supporting leadership, and ensuring compliance across multiple jurisdictions. This role offers global exposure across diverse tax regimes and operating entities, strategic involvement in tax planning and effective tax rate management, high visibility with senior finance leadership, and the opportunity to own processes and drive improvements. What You'll Do The successful candidate will be a trusted contributor to the Global finance team, providing hands-on support for domestic and international tax compliance, quarterly and year-end financial reporting, and tax research for all TT Operating Companies.

Requirements

• 5+ years of experience in public accounting or in-house tax, with exposure to international tax
• Strong foundation in tax provision and compliance (ASC 740 / FIN 48)
• Working knowledge of U.S. international tax rules, including TCJA-related provisions
• Analytical mindset with strong problem-solving and critical thinking skills
• Ability to communicate complex tax concepts clearly to non-tax stakeholders
• Experience with ERP systems and tax software.
• Advanced proficiency in Microsoft Excel and Office tools
• Bachelor’s degree in Accounting or Finance required

Nice To Haves

• CPA or Master’s in Taxation preferred is a plus

Responsibilities

• Support monthly, quarterly, and annual tax provision processes, including deferred taxes, GILTI, and other international tax components
• Analyze and reconcile global tax data, ensuring accuracy and completeness for external reporting
• Review international filings (Forms 5471, 8858, 8865) prepared by external advisors
• Prepare and document book-to-tax adjustments and supporting workpapers
• Contribute to global effective tax rate (ETR) analysis and forecasting
• Serve as a key point of contact for tax-related matters across internal teams and external advisors
• Participate in domestic and international tax planning initiatives
• Research complex tax issues and prepare clear, well-supported technical memoranda
• Assist with transfer pricing documentation and intercompany considerations
• Support calculations related to foreign tax credits, previously taxed income (PTI), and foreign-source income
• Review and assist with federal, state, local, and international tax filings, including income tax, sales/use tax, VAT/GST, franchise tax, and property tax
• Prepare/Review other various tax filings, such as Sales and Use Tax, Franchise Tax, GST/VAT,
• Prepare and Review various Property Tax, Commercial Rent Tax, local Tax returns as needed
• Monitor evolving U.S. and international tax regulations and assess their impact on the organization

Benefits

• Medical, Dental, Vision, Life, AD&D, Disability and other voluntary benefits
• Flexible Spending Accounts for Medical and Childcare
• Paid Time Off, Family Leave for New Parents, Volunteer Time
• Tuition Reimbursement
• Commuter Transit (where available)
• 401k retirement savings with Company matching on employee contributions and/or qualified student loan repayments
• Fitness Reimbursement
• And other various wellness, diversity/inclusion and employee resource programs and initiatives

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 501-1,000 employees