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Senior, Tax Advisory

Amentum | York, United States | Posted July 04, 2026

Position Overview

The Senior, Tax Advisory will report to the Senior Director, Tax Advisory and will be responsible for assisting with Amentum’s tax research, planning, controversy, M&A, and other special projects. This individual contributor role will be instrumental in furthering Amentum’s best-in-class tax function and is a great opportunity for someone who enjoys working in an extremely dynamic, diverse, and fast-paced environment. US Citizenship is required. Candidates must be within driving distance to our offices in Northern Virginia

Main Responsibilities:

  • Support a broad range of domestic and international tax advisory projects, including financing transactions and cash repatriation, legal entity restructurings, withholding and indirect tax matters, and tax support for M&A transactions


  • Perform technical tax research and support tax planning, modeling, and structuring projects


  • Support our research & development tax cred...

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