Senior Manager, Corporate & International Tax

About Volta Volta is the category-defining, fully vertically integrated AI infrastructure platform – from capital to clusters to software, under a founder-led enterprise. Our mission is The Utility of Compute™: AI infrastructure as dependable and available as electricity, for every organization that needs it. Launched with a $10B strategic partnership with one of the leading frontier AI labs, a Series A led by Andreessen Horowitz, and a $5B AI Infrastructure Fund, Volta is building the infrastructure layer of the AI era from the ground up. We are 100+ people across London, Palo Alto, and New York, with rapid growth expectations to hundreds. About the Role We are seeking a commercially minded Senior Manager to join Volta’s tax function and lead delivery across corporate and international tax. This role would suit someone looking to move in-house at a fast-scaling, capital-intensive platform. Reporting to the VP of Tax, this is a hands-on delivery role. The Senior Manager will own the group’s corporate tax compliance and reporting workstreams, implement international tax policies, and monitor governance to ensure tax structures are operating as intended, with genuine scope for the remit to grow as the function and business scale. Key Responsibilities Corporate Tax Compliance & Reporting Lead the day-to-day management of corporate tax compliance across the group, coordinating local Finance teams and external advisers to ensure accurate and timely filings. Review corporate tax computations, returns and supporting schedules, escalating material positions and judgement calls to the VP of Tax. Maintain oversight of tax payments, instalments, filing obligations and elections across jurisdictions. Own the preparation and coordination of current and deferred tax calculations, tax disclosures and supporting documentation for financial reporting and audit. Build and maintain group cash-tax forecasts and effective tax rate analysis, explaining key movements, risks and opportunities. Track tax losses, capital allowances, interest restrictions and other tax attributes, ensuring they are reflected consistently in returns, reporting and forecasts. International Tax Execute the technical analysis and implementation of international tax policies and structures agreed with the VP of Tax. Monitor the group’s permanent-establishment, tax-residence and substance positions as the business expands into new markets. Manage withholding-tax and repatriation workstreams, including treaty relief, supporting documentation and coordination with local advisers. Assess the corporate and international tax implications of new entities, cross-border activities and intercompany arrangements. Support tax planning for intangible assets and intellectual property (IP), including ownership, development, licensing and cross-border transfers, working with the VP of Tax, Legal and external advisers to align arrangements with commercial objectives, substance and transfer-pricing requirements. Monitor the group’s obligations under Pillar Two, country-by-country reporting and other international tax reporting regimes, coordinating implementation and filings where applicable. Bring forward clear recommendations on technical questions, with the commercial and risk trade-offs spelled out. Flag material tax developments and translate them into practical actions for the group. Transfer Pricing & Intercompany Arrangements Lead the day-to-day implementation of the group’s transfer-pricing policies, working with Finance, Legal and external advisers. Coordinate transfer-pricing documentation, benchmarking and local reporting requirements across jurisdictions. Monitor intercompany charges and financing arrangements to ensure they reflect agreed policies, contractual terms and the activities performed. Work with Finance to implement intercompany calculations, invoicing and year-end adjustments. Maintain supporting documentation for