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International SOS is the world's leading medical and security services company with over 12,000 employees working in 1,000 locations in 90 countries. International SOS Government Services administers the TRICARE Overseas Program providing high-quality, accessible health care services for U.S. Military service members, family members, retirees, and other eligible beneficiaries overseas.
About the role
The Tax Director, Americas is responsible for leading the execution of tax compliance, tax accounting, tax risk management, and regional tax planning activities across the America Medical Services Group Companies, including operations in the United States, Canada, and Latin America.
Working in close partnership with the Group Tax Director and Global Tax Team, this role provides regional tax leadership and ensures the implementation of Group tax policies, standards, and strategies throughout the Americas region. The Tax Director serves as the primary tax advisor to regional finance and business leadership, ensuring compliance with applicable tax laws and regulations, effective management of tax risks, accurate tax reporting under U.S. GAAP and IFRS, and alignment of regional tax activities with broader corporate objectives.
Given the significance of the U.S. business, the role requires extensive expertise in U.S. federal, state, and local taxation while maintaining oversight of tax matters across the broader Americas region.
This is a hybrid role based out of our Houston, office. Monday to Friday 8 am until 5 pm with Thursdays and Fridays as work from home days. Travel within US and Canada required.
Key responsibilities
Tax Leadership & Governance
• Serve as the lead tax subject matter expert for the Americas region, providing practical tax guidance to regional finance and business leadership.
• Support the development and execution of global tax strategies within the Americas region and identify regional tax planning opportunities consistent with Group tax policies and objectives.
• Identify, assess, and mitigate tax risks across the region and recommend appropriate actions to protect company assets and shareholder value.
• Implement and maintain tax governance, internal controls, procedures, and compliance frameworks for the Americas region in accordance with Group tax policies and applicable regulatory requirements.
• Monitor legislative, regulatory, and tax policy developments across the United States, Canada, Latin America, and international jurisdictions and assess potential impacts on the business.
• Partner with the Group Tax Director and Global Tax Team to support global tax initiatives and ensure alignment with enterprise-wide tax objectives.
Tax Compliance & Reporting
• Direct and oversee all tax compliance activities across the Americas region, including U.S. federal, state, and local income tax filings, international reporting obligations, estimated tax payments, withholding tax compliance, and oversight of tax filings in Latin America and other applicable jurisdictions.
• Ensure all tax returns, elections, disclosures, and related filings are completed accurately and timely through effective management of internal resources and external service providers.
• Maintain oversight of the regional tax compliance calendar and ensure compliance with all statutory filing and reporting deadlines.
• Oversee the quality, integrity, and completeness of tax-related data used in compliance, reporting, and financial statement preparation.
• Manage and evaluate the performance of external tax advisors and compliance providers to ensure efficient, accurate, and cost-effective delivery of compliance and advisory services.
Tax Accounting & Financial Reporting
• Own and oversee quarterly and annual income tax accounting and reporting processes for the Americas region, including compliance with ASC 740 (U.S. GAAP) and IAS 12 (IFRS).
• Direct the preparation and review of current and deferred tax calculations, effective tax rate analyses, uncertain tax positions, tax account reconciliations, and tax-related financial statement disclosures.
• Ensure accurate monthly, quarterly, and annual tax provision reporting and timely communication of tax impacts to finance leadership.
• Support forecasting, budgeting, and long-range planning activities related to tax expense, cash taxes, and effective tax rate management.
• Partner with regional finance teams and external auditors during quarterly reviews and annual audits and coordinate responses to tax-related audit inquiries.
International Tax & Transfer Pricing
• Support and advise on international tax matters impacting the Americas region, including inbound investment structures, cross-border transactions, withholding taxes, transfer pricing, and treaty application.
• Assist in maintaining tax-efficient and compliant intercompany structures, financing arrangements, and operational models consistent with Group tax policies.
• Ensure implementation and compliance with Group transfer pricing policies across the Americas region.
• Oversee maintenance of transfer pricing documentation and intercompany agreements in coordination with legal counsel, finance leadership, and the Global Tax Team.
• Monitor international tax developments and assess regional implications for the business.
Tax Planning & Strategic Initiatives
• Support regional and global tax planning initiatives designed to improve tax efficiency while maintaining compliance with applicable laws and regulations.
• Lead Americas tax due diligence activities and provide regional tax input for mergers, acquisitions, divestitures, restructurings, and other strategic transactions.
• Evaluate tax implications of new business initiatives, contractual arrangements, legal entity structures, financing arrangements, and operational changes.
• Collaborate with finance, legal, treasury, and business leadership to ensure tax considerations are appropriately addressed in strategic decision-making.
• Provide recommendations regarding business structures and transactions that balance operational objectives, compliance requirements, and tax efficiency.
Tax Audits & Tax Authority Relations
• Lead and manage tax examinations, audits, inquiries, and controversy matters involving federal, state, local, and international tax authorities within the Americas region.
• Coordinate audit responses and resolution strategies in partnership with the Group Tax Director, external advisors, and regional leadership as appropriate.
• Maintain productive working relationships with tax authorities, external auditors, tax advisors, and other professional service providers.
• Ensure timely resolution of tax disputes and minimize financial and operational exposure.
Business Partnership
• Partner with regional finance leadership to assess tax impacts of business decisions and communicate tax matters in a clear, practical, and commercially focused manner.
• Translate complex tax regulations into actionable business recommendations for executive leadership.
• Provide tax guidance on commercial contracts, operational structures, treasury activities, expatriate matters, indirect taxes, and other business initiatives.
• Collaborate closely with the Global Tax Team, Finance, Legal, Treasury, and Operational Leaders to support business growth while maintaining compliance and effective risk management.
About you
Required Skills and Knowledge
• Deep knowledge of U.S. federal, state, and local taxation.
• Strong understanding of international tax principles, including inbound investment structures, transfer pricing, withholding taxes, and cross-border transactions.
• Strong technical expertise in income tax accounting under ASC 740 (U.S. GAAP) and IAS 12 (IFRS).
• Thorough knowledge of current and deferred tax accounting, uncertain tax positions, effective tax rate management, and tax-related financial statement disclosures.
• Strong analytical, problem-solving, and statutory interpretation skills.
• Ability to identify tax risks and develop practical business-focused solutions.
• Excellent written and verbal communication skills, including the ability to explain complex tax matters to executive leadership.
• Strong organizational and project management skills with the ability to manage multiple priorities and deadlines.
• Advanced proficiency in Microsoft Excel, PowerPoint, ERP systems, and financial reporting tools.
• Ability to operate effectively within a complex, matrixed multinational organization.
• Collaborative leadership style with strong stakeholder management and influencing skills.
• Hands-on approach with a strong sense of accountability, urgency, and ownership.
Required Work Experience
• Minimum 12-15 years of progressive corporate tax experience, including significant experience within a multinational organization.
• Extensive experience with U.S. income tax compliance, tax accounting, and tax planning.
• Demonstrated experience managing quarterly and annual tax provisions under ASC 740 and supporting IFRS tax reporting requirements under IAS 12.
• Strong experience managing tax audits, tax authority interactions, and controversy matters.
• Experience providing tax support for mergers, acquisitions, restructurings, and cross-border transactions.
• Experience managing external tax advisors and compliance providers across multiple jurisdictions.
• Working knowledge of transfer pricing principles and intercompany transaction structures.
• Experience with Latin American tax regimes strongly preferred.
• Strong understanding of U.S. GAAP, IFRS, and financial reporting implications of tax matters.
• Experience leading cross-functional teams and influencing stakeholders across a matrixed multinational organization.
• Experience in data-driven commercial environments (e.g., medical services, manufacturing, tech, consumer goods) is a plus.
• Strong track record of change management, problem-solving, and delivering results in complex, fast-paced settings.
• Exposure to ERP systems and financial tools (Cognos, SUN6, or similar) preferred.
• Advanced proficiency in Excel and data visualization tools to support tax analysis, reporting, forecasting, and decision-making.
Required Qualifications
• Bachelor's degree in Accounting, Finance, Tax, or a related field.
• Certified Public Accountant (CPA) required.
• Master's Degree in Taxation, Juris Doctor (JD), or LL.M. in Taxation preferred.
• Additional professional accounting or tax qualifications are advantageous.
Required Languages
• English - Written and spoken - Excellent command
• Spanish - added advantage
By joining International SOS, you will contribute to a global network dedicated to protecting people and organisations. We offer a dynamic and respectful workplace where expertise, innovation, and collaboration drive our success. International SOS has been awarded as a Top Employer in the UK by the Top Employer's Institute (TEI) for 2025.
13,000 experts | 1,200+ locations | 90 countries | 110+ languages
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