Corporate Tax Manager - Methods, Credits, & Incentives
Grant Thornton
Philadelphia, PA · Posted August 29, 2026
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About the job
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.
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 attorney's 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 is between $138,000 and $172,500. Placement within the pay range is at Grant Thornton’s discretion, and it is based on multiple factors, including but not limited to, job -related knowledge/skills, experience, business needs, progression within the role, geographic location, and internal equity. At Grant Thornton, compensation decisions are dependent upon the facts and circumstances of each position and candidate.
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