Primary purpose of the Role The Global Mobility (GM) Tax Analyst / Sr. GM Specialist provides operational support to the Global Mobility department enabling the team to deliver solutions to internal stakeholders as it relates to all individual and employment tax-related compliance matters, proposal support, and day-to-day GM tasks associated with managing the assignment life cycle. The GM role will directly support the GM Director, GM Tax Manager and other GM team members. Duties Operational: Assist with day-to-day management of Tax Equalization Program, within the EMEA region, including liaising directly with tax-equalized population, internal project teams, third-party vendors, etc. Facilitate global tax payment process, to include home and host country tax payments, tax equalization settlements, etc. Collect and reconcile quarterly imputed income data from internal stakeholders for inclusion in home country payroll Manage and track applications for Totalization Agreements Track host country tax refunds/tax equalization settlements due back to Company Assist with annual authorization review and compensation reconciliation processes Ensure compliance of global mobility practices are in line with legislative and regulatory requirements, standards, and other known relevant policies and guidelines; works cross-functionally with Legal, Payroll, and Corporate Tax. Work with stakeholders to create international assignment agreements, taking into consideration all applicable statutory labor laws. Support pricing and contract capture efforts by providing cost projections and compliance framework solutions. Maintain interactions with suppliers/vendors to ensure a smooth experience for employees/assignees. Review and assist with processing vendor invoices Behavioural Attributes Self-Motivated Responsive Efficient Detail Oriented Dependable/Reliable Results Focused Key Performance Indicators Participation in cross-functional collaboration with other teams involved in the mobility process Monitor status of pending tax deliverables Stakeholder satisfaction Experience Bachelor's degree preferred, with 5 years of experience supporting international assignments Specific Skills Required Expatriate tax experience with a reputable tax accounting firm or multinational organization Demonstrates ability to work under pressure while delivering high service in a timely and professional manner Excellent verbal and written communication skills Ability to interface and communicate with all levels of the workforce, entry level through senior management Demonstrates proficiency in Microsoft Office Suite, AssignmentPro knowledge a plus 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 .