The Tax Advisory Manager will report to the Tax Advisory Senior Director and will be responsible for assisting with Amentum’s tax research, planning, controversy, M&A, transfer pricing, 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. This is a remote-telework role. Light travel to our headquarters in Chantilly, Virginia is required.Main responsibilities:Perform tax research and assist with tax planning and modeling projects, including research and development tax credit opportunities as well as indirect / value-added tax (“VAT”) structuringSupport business development activities, including researching applicability of tax exemptions available to Amentum under bilateral defense-type agreements, such as Status of Forces Agreements (“SOFA”)Assist with managing Amentum’s global transfer pricing, including strategy/planning, operations, compliance, and risk management and collaborate with compliance managementManage and Maintain, Master File, Local File Templates, benchmarking, and intercompany agreements, etc.Assist with tax audits in US federal, state, and foreign jurisdictions (direct and indirect tax), including gathering and validating data for audit requests, drafting audit responses, etc.Monitor and analyze federal, state, and foreign legislative, regulatory, and judicial developmentsWork with and provide tax support to internal stakeholders, including Legal, Business Development, Contracts, and Treasury teamsAssist with documenting key tax positions, risks, and intercompany agreementsMain requirements:4+ years of experience with a CPA and JD/Masters in a relevant field; or 6+ years of experience with a Bachelor's degree and a CPA; or 8+ years of experience with a Bachelor's degree in Accounting.Strong organizational, analytical, communication, and interpersonal skillsHighly organized with the ability to efficiently and accurately manage competing priorities and internal and external deadlinesPositive attitude and dependable team player with strong attention to detailUS Citizenship is required to applyLight travel to our headquarters in Chantilly, Virginia is required (maybe once or twice a year)We prefer candidates on EST but we may consider candidates on CST or MST.Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, religion, color, sex, gender, national origin, age, United States military veteran’s status, ancestry, sexual orientation, gender identity, marital status, family structure, medical condition including genetic characteristics or information, veteran status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal EEO laws and supplemental language at EEO including Disability/Protected Veterans ( and Labor Laws Posters ( .