Global Employment & Mobility Tax Manager

In this role, you will:

• Lead global employment tax compliance and statutory payroll reporting across multiple jurisdictions.
• Partner with Payroll, Stock Administration, Mobility & Immigration, Accounting, and external providers to implement taxability, withholding, sourcing, and reporting requirements.
• Manage country-specific filing activities from data collection and validation through review and submission, including UK ERS, Australia ESS and FBT, Japan Form 9(3), Korea Form 30(5), Malaysia Appendix C, Hong Kong IR56B, Singapore IR8A, UK and Ireland PSA, and UK STBV reporting.
• Prepare and review Swiss salary certificate and equity annex filings, reconciling grant- and vest-level equity data with payroll and compensation records.
• Support payroll tax reconciliations, audits, year-end reporting, corrections, statutory filings, and compliance reviews.
• Manage payroll, equity, mobility, and HR data to support accurate reporting, regulatory filings, internal controls, and audit readiness.
• Evaluate tax, payroll, social security, treaty, sourcing, shadow payroll, gross-up, and reporting requirements related to relocations, permanent transfers, temporary remote work, and other cross-border assignments.
• Serve as a primary liaison with mobility tax providers, reviewing deliverables, scopes of work, invoices, tax authorizations, trailing liabilities, and employee eligibility.
• Maintain country-specific taxability matrices, process documentation, operating procedures, and reporting frameworks.
• Identify opportunities for automation, standardization, and process improvement that strengthen compliance, efficiency, and in-house capabilities.

• Bachelor's degree in Accounting, Tax, Business, or a related technical field; or equivalent related professional experience.
• 6-8 or more years of progressive experience in employment tax, global mobility tax, equity compensation, payroll tax, or a related discipline within an international environment.
• Experience with global equity compensation programs, including RSUs, stock options, ESPP, payroll reporting, and trailing equity taxation.
• Experience managing cross-border tax matters, payroll tax reporting, reconciliations, audits, year-end reporting, compensation data, and tax clearance activities.
• Working knowledge of income tax treaties, certificates of coverage, social security agreements, shadow payroll, foreign tax relief, and gross-ups.
• Proficiency with Workday, equity administration systems, mobility platforms, global payroll systems, Microsoft Office, and advanced Excel functions such as lookups, pivot tables, data validation, and reconciliations.
• Proficient verbal and written communication, research, analytical, prioritization, and problem-solving skills.
• Ability to work collaboratively and autonomously, manage multiple priorities, and make sound recommendations with limited supervision.

• Experience working with a Big Four accounting firm or multinational organization.
• GMS-T, CPA, EA, CPP, or CEP certification.

The total cash range for this position in Seattle is $110,500.00 to $155,000.00. Employees in this role have the potential to increase their pay up to $177,000.00, which is the top of the range, based on ongoing, demonstrated, and sustained performance in the role.

Starting pay for this role will vary based on multiple factors, including location, available budget, and an individual's knowledge, skills, and experience. Pay ranges may be modified in the future.