Senior Manager, Tax Structuring & Transactions

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 on deals, structuring, and modelling. 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 lead deal workstreams, build and stress-test tax models, 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 Deal Execution & Structuring Lead the day-to-day tax workstream on live transactions - fundraising and capital raises, infrastructure investments and acquisitions, joint ventures, financing and refinancing. Execute the technical analysis and implementation of tax structures agreed with the VP of Tax, across corporate entities, investments/JVs, and debt and equity financing. Coordinate tax due diligence, documentation and completion mechanics with Finance, Capital Markets, Corporate Development, Legal and external advisers. Review commercial contracts and financing documentation from a tax perspective, flagging issues and options to the VP of Tax. Bring forward clear recommendations on technical questions, with the commercial and risk trade-offs spelled out, for the VP of Tax to decide. Tax Modelling & Commercial Analysis Own the build and maintenance of tax models and supporting schedules for investments, financing structures and transactions. Model cash-tax outcomes and sensitivities, including: Tax depreciation and capital allowances Interest deductibility and financing scenarios Loss utilisation and group relief Withholding taxes, repatriation and transfer-pricing charges VAT and other indirect-tax cash flows Restructuring, refinancing and exit scenarios Feed agreed tax assumptions into the wider financial models, working closely with Finance and Capital Markets. Pressure-test tax assumptions prepared by internal teams and advisers for technical accuracy and consistency. Translate the tax impact into terms deal teams can use directly – cash flow, valuation and investor returns. International Tax Provide occasional support to the compliance team as needed, covering gaps or peak periods across the tax compliance calendar. Stay broadly aware of the transfer-pricing policy, permanent-establishment position, withholding-tax/repatriation mechanics and VAT/GST processes, escalating anything relevant from deal or modelling work to the team who owns it. Flag material international tax developments relevant to live deals or models. Governance & Risk Help operate Volta's tax governance framework and controls on a day-to-day basis and keep the tax risk register current. Build and maintain supporting documentation for tax positions, transactions and intercompany arrangements. Manage the working relationship with Big Four and legal advisers on live matters, escalating scope, cost or quality issues. Support tax authority enquiries, audits and ruling applications. Business Partnering Act as the day-to-day tax contact for Finance, Legal, Capital Markets, Corporate Development and Strategy on live workstreams. Give practical, timely tax input on new projects and initiatives, translated into cash flow, returns and capital-efficiency impact. Prepare…