Corporate Tax Manager - Methods, Credits, & Incentives

Grant Thornton International Ltd; Philadelphia (Philadelphia County); On-site; USD 121,000 - 181,400; Full time

Job summary

A leading professional services firm is seeking a Corporate Tax Manager for their R&D Tax Credit practice in Philadelphia. This role involves navigating tax credit complexities, supervising projects, and providing insightful tax advice. Candidates should have 6-10 years of experience in R&D tax credits, a related Bachelor’s degree, and a CPA or JD. The position offers a hybrid working model with flexible benefits and competitive salary.

Qualifications

• 6-10 years of experience in R&D tax credits or related fields.
• Minimum of 4 years of public accounting or consulting experience.
• CPA or JD with an active license required.

Responsibilities

• Navigate R&D tax credit complexity and provide insightful tax advice.
• Collaborate with leadership and supervise R&D projects.
• Conduct fieldwork and participate in sales and marketing efforts.

Skills

R&D tax credits

Project management

Verbal communication

Written communication

Tax return mechanics

Education

Bachelor’s degree in related field

Masters or Ph.D. in Economics

Job description

Corporate Tax Manager - Methods, Credits & Incentives R&D

Philadelphia, PA, United States and 8 more (Hybrid)

About Us

At Grant Thornton, we believe in making business more personal and building trust into every result – for our clients and you. Here, we go beyond your expectations of a career in professional services by offering a career path with more: more opportunity, more flexibility, and more support. It’s what makes us different, and we think being different makes us better.

In the U.S., Grant Thornton delivers professional services through two specialized entities: Grant Thornton LLP, a licensed, certified public accounting (CPA) firm that provides audit and assurance services ― and Grant Thornton Advisors LLC (not a licensed CPA firm), which exclusively provides non-attest offerings, including tax and advisory services.

In 2025, Grant Thornton formed a multinational, multidisciplinary platform with Grant Thornton Ireland. The platform offers a premier Trans-Atlantic advisory and tax practice, as well as independent American and Irish audit practices. With $2.7 billion in revenues and more than 50 offices spanning the U.S., Ireland and other territories, the platform delivers a singular client experience that includes enhanced solutions and capabilities, backed by powerful technologies and a roster of 12,000 quality-driven professionals enjoying exceptional career‑growth opportunities and a distinctive cross‑border culture.

Grant Thornton is part of the Grant Thornton International Limited network, which provides access to its member firms in more than 150 global markets.

About the Team

The team you’re about to join is ready to help you thrive. Here’s how:

• Whether it’s your work location, weekly schedule, or flex time off, we empower you with the options to work in the way that best serves your clients and your life. Consistent with the firm’s hybrid work model, this position will require in‑person attendance at least two days per week, either at a GT office or client site.
• Here, you are supported to prioritize your overall well‑being through work‑life integration options that work best for you and those in your household.
• We understand that your needs, responsibilities and experiences are different — and we think that’s a good thing. That’s why we support you with personalized and comprehensive benefits that recognize and empower all the identities, roles and aspirations that make you, well, you. See how at www.gt.com/careers
• When it comes to inclusion, we are committed to doing more than checking boxes. Explore all the ways we’re taking action for diversity, equity & inclusion at www.gt.com/careers.
• Here’s what you can expect next: If you apply and are selected to interview, a Grant Thornton team member will reach out to you to schedule a time to connect. We encourage you to also check out other roles that may be a good fit for you or get to know us a little bit better at www.gt.com/careers.
• Benefits: We understand that your needs, responsibilities and experiences are different, and we think that’s a good thing. That’s why we support you with personalized and comprehensive benefits that recognize and empower all the identities, roles and aspirations that make you, well, you. For an overview of our benefit offerings, please visit https://www.grantthornton.com/careers/rewards-and-benefits

Additional Details: It is the policy of Grant Thornton to promote equal employment opportunities. All personnel decisions (including, but not limited to, recruiting, hiring, training, working conditions, promotion, transfer, compensation, benefits, evaluations, and termination) are made without regard to race, color, religion, national origin, sex, age, marital or civil union status, pregnancy or pregnancy‑related condition, sexual orientation, gender identity or expression, citizenship status, veteran status, disability, handicap, genetic predisposition or any other characteristic protected by applicable federal, state, or local law. Consistent with the Americans with Disabilities Act (ADA) and applicable state and local laws, it is the policy of Grant Thornton to provide reasonable accommodation when requested by a qualified applicant or employee with a disability, unless such accommodation would cause an undue hardship. The policy regarding requests for reasonable accommodation applies to all aspects of employment, including the application process. To make an accommodation request, please contact [e-mail]. For Los Angeles Applicants only: We will consider for employment all qualified Applicants, including those with Criminal Histories, in a manner consistent with the requirements of applicable state and local laws, including the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance. For Massachusetts Applicants only: It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability. Grant Thornton does not require or administer lie detector tests as a condition of employment or continued employment.

Job Description

As the Tax Manager in our Methods, Credits & Incentives (MCI), Research & Development Tax Credit practice you’ll navigate R&D tax credit complexity and provide insightful, practical tax advice for your clients– all with the resources, environment and support to help you excel. You’ll collaborate with MCI leadership and supervise R&D projects, research tax issues, conduct fieldwork, and participate in sales and marketing efforts because together is how we succeed. From day one, you’ll be empowered by having responsibility to ensure that R&D projects are conducted in accordance with firm standards and completed on time, within budget, to successfully lead and support your team and help you achieve more, confidently.

Additional approved locations are Manhattan, NY, Melville, NY, Iselin, NJ and Boston, MA.

Your day-to-day may include:

• Assist with visiting the client location, touring client facilities, investigating relevant facts, analyzing accounting information, preparing cost lead schedules and cost summary schedules, completing appropriate tax computations, and preparing written reports summarizing the findings
• Manage various project tasks at the same time. Project managers will be ultimately responsible for the overall project and deliverable
• Support business development activities, such as identification, proposal development and other pursuit activities at clients
• Other duties as assigned

You have the following technical skills and qualifications:

• Bachelor’s degree in related field
• Masters or Ph.D. in Economics, Statistics, Public Policy, Mathematics, Business, Finance, Financial Engineering, Management Science and Engineering, Financial Mathematics, Industrial Engineering or Operations Research preferred
• Six to ten years of experience in R&D tax credits; open to Fixed Asset or Tax Accounting Method experience
• Minimum of four years of experience in Accounting or Tax in public accounting or consulting
• CPA or JD/active license required
• Prior project management experience is required
• Strong understanding of federal and some state R&D rules and relevant court cases
• Intermediate understanding of tax return mechanics
• Candidate should be familiar with and have experience with amending tax returns
• Candidate must demonstrate ability to manage time, manage multiple engagements, support leadership initiatives, and meet deadlines
• Excellent verbal and written communication skills
• Ability to work additional hours, as needed, and travel to various client sites. Candidates must be willing and able to travel

The base salary range for this position in the District of Columbia office only is between $121,000 and $181,400.

The base salary range for this position in the firms New York, NY and Iselin, NJ offices only are between $121,000 and $181,400.

The base salary range for this position in Massachusetts only is between $121,000 and $181,400.

The base salary range for this position in Maryland only is between $112,000 and $168,000.

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Job Info

• Job Identification 112753
• Posting Date 07/11/2025, 03:03 PM
• Degree Level Bachelor's Degree
• Job Schedule Full time
• Locations Philadelphia, PA, United States Boston, MA, United States Washington, DC, United States Baltimore, MD, United States Pittsburgh, PA, United States Arlington, VA, United States New York, NY, United States Iselin, NJ, United States Melville, NY, United States (Hybrid)