Global Mobility Tax Specialist

Fiserv

Global Mobility Tax Specialist responsible for guiding tax impacts to assignees in Fiserv's Global Mobility Program. Collaborating with payroll and third-party vendors while maintaining compliance with regulations.

Posted 6/25/2026full-timeAlpharetta • New York, Wisconsin • 🇺🇸 United StatesMid-LevelSeniorWebsite

About the role

Key responsibilities & impact

Prepare, review, and deliver tax-related documentation for globally mobile employees in partnership with third-party vendors and within established deadlines
Provide guidance to employees on tax equalization and tax protection policies to support understanding, issue resolution, and compliance with assignment requirements
Partner with payroll teams to support tax withholding, shadow payroll, and reporting obligations related to international assignments across multiple jurisdictions
Maintain accurate assignment rosters, tax records, and supporting documentation to help ensure compliance with global tax regulations and internal controls
Serve as a liaison between internal stakeholders, including corporate tax, payroll, executive compensation, and external vendors to resolve tax-related questions and processing issues
Monitor developments in international tax regulations and mobility practices and update procedures, documentation, and guidance as needed
Support vendor management activities, including billing coordination, performance tracking, and validation of tax service deliverables
Create and maintain standard operating procedures and provide backup support for relocation activities as needed

Requirements

What you’ll need

4+ years of experience in global mobility tax, international tax compliance, or expatriate payroll administration, including foreign tax compliance, hypothetical tax calculations, shadow payroll, and tax equalization processes
4+ years of experience working with multi-state and international tax regulations across multiple jurisdictions
4+ years of experience partnering with payroll, tax, immigration, human resources, and third-party vendors to support globally mobile employees
Experience using Human Resources Information Systems, payroll platforms, mobility systems, or similar enterprise tools to manage employee data, assignment records, and tax-related processes
Bachelor's degree in accounting, tax, finance, business, human resources, or a related field, or equivalent combination of education, related experience and/or military experience
Certified Relocation Professional (CRP) or Global Mobility Specialist (GMS) certification, or equivalent related certification (preferred)
Experience supporting payroll tax coordination across Asia-Pacific (APAC), Latin America (LATAM), and Europe, Middle East, and Africa (EMEA) (preferred)
Proficiency with global mobility platforms and case management workflows (preferred)
Experience supporting relocation programs or broader global mobility operations (preferred)

Benefits

Comp & perks

Fuel Your Life program to support your physical, financial, social, and emotional well-being.
Paid holidays and generous time away policies.
No-cost mental health support through Employee Assistance Programs.
Living Proof program to recognize your peers’ extra effort with points redeemable for rewards.
Eight Employee Resource Groups to foster a collaborative culture and expand your network.
Unparalleled professional growth with training, development, and internal mobility opportunities.
Medical, dental, vision, life, and disability insurance options available from day one.
Retirement planning including 401k match and discounted shares with the Employee Stock Purchase Plan.
Tuition assistance and reimbursement program.
Paid parental and military leave.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

global mobility taxinternational tax complianceexpatriate payroll administrationforeign tax compliancehypothetical tax calculationsshadow payrolltax equalization processesmulti-state tax regulationstax withholdingassignment records management

Soft Skills

guidanceissue resolutioncomplianceliaisonmonitoringvendor managementcommunicationcollaborationproblem-solvingorganizational skills

Certifications

Certified Relocation Professional (CRP)Global Mobility Specialist (GMS)