Octopus Energy Generation is a specialist energy investment manager, overseeing more than £7 billion of assets under management. Our mission is to accelerate the transition to a net zero energy system by investing in clean energy infrastructure and energy transition businesses.Our strategies span renewable generation, distributed energy, and broader energy transition platforms across multiple technologies and jurisdictions. As our portfolio of development-stage and growth strategies continues to expand, we are strengthening our in-house tax capability to provide proactive, commercially focused support across fund structures and underlying investments.We are seeking a Tax Manager to join the OEGen Tax Team, reporting directly to the Head of Tax. This role will take primary responsibility for a defined bucket of OEGen’s development funds and associated structures. Unlike platform-embedded tax roles, this position sits within the fund management company and has oversight across the full fund lifecycle- from investment structuring and governance through to portfolio holding structures and exit.You will act as the central tax lead for these funds, working closely with investment teams, portfolio companies, finance teams, and external advisors across multiple jurisdictions. The role combines fund-level tax strategy and governance with hands-on oversight of compliance, reporting, risk management, and transaction execution.This position offers both breadth and depth: exposure to complex international holding structures, diverse operating models, and direct engagement with senior stakeholders across the business.What you'll doFund-Level Tax Oversight:Take ownership of tax matters relating to a defined portfolio of OEGen development funds and their associated structures. Support holding structures, and cross-border investment planning in collaboration with the investment team and external advisorsEnsure tax considerations are appropriately reflected in documentation, SPV structuring, financing arrangements, and exit planning.International Tax Compliance:Oversee the delivery of tax compliance obligations ( corporate income tax, VAT, withholding tax, local filings) across fund and holding structures in multiple jurisdictions.Coordinate and manage local advisors to ensure accurate, timely submissions and full regulatory compliance.Maintain oversight of compliance calendars and reporting trackers at both fund and asset-holding levels.Tax Accounting and Reporting:Support fund & platform finance teams with tax provisioning and financial statement disclosures.Review tax-related journal entries and ensure appropriate treatment of current and deferred taxes.Oversee the integrity and documentation of tax positions reflected in audited financial statements.Governance and Risk Management:Maintain robust tax governance frameworks across the relevant funds and structures.Oversee tax audits or enquiries by local authorities, managing advisors and internal stakeholders.Identify, assess, and escalate material tax risks in a commercially informed and pragmatic manner.Ensure alignment with OEGen’s broader tax strategy, risk appetite, and governance standards.Transaction & Project Support:Lead tax workstreams on acquisitions, disposals, restructurings, refinancings, and group reorganisations within the relevant funds.Review legal and commercial documentation with a tax lens, identifying structuring implications and risk areas.Coordinate external advisors and internal stakeholders to ensure seamless execution of tax aspects of transactions.Internal Stakeholder Engagement:Act as the primary tax point of contact for investment teams, fund finance teams, and portfolio/platform management teams across the relevant funds and their underlying structures.Work collaboratively with the wider OEGen Tax Team to ensure consistency of approach, knowledge sharing, and best practice implementation.Provide clear, practical tax guidance that balances technical robustness with commercial objectives.What you'll needMinimum 5-6 years’ post-qualified experience in corporate tax.Qualified tax accountant (CTA or ACA with a tax specialism). Tax lawyers with strong hands-on tax accounting and compliance experience will also be considered.Background in a Big 4 firm, leading international law firm, or in-house tax function with cross-border exposure.Experience dealing with multi-jurisdictional structures and external advisors.Strong knowledge of corporate tax compliance and reporting across multiple jurisdictions.Solid grounding in tax accounting, provisioning, and financial reporting.Ability to oversee complex international structures without necessarily having deep local expertise in every jurisdiction.Confident reviewing transaction documents and identifying tax structuring implications.Strong project management skills, with the ability to prioritise competing deadlines.Clear communicator, capable of engaging effectively with senior finance and investment professionals.A bonus if you haveExperience in infrastructure, energy, or other asset-heavy industries.Familiarity with fund structures and investment management environments.Language skills (German, French, Italian, or Spanish) are highly desirable.Pragmatic, solutions-oriented, and comfortable operating in a dynamic, growth-focused environment.💚 Why else you'll love it here 💚 • 💰 Wondering what the salary for this role is? Just ask us! On a call with one of our recruiters it's something we always cover as we genuinely want to match your experience with the correct salary. The reason why we don't advertise is because we honestly have a degree of flexibility and would never want salary to be a reason why someone doesn't apply to Octopus - what's more important to us is finding the right octofit!• 🎉 Octopus Energy Group is a unique culture. An organisation where people learn, decide, and build quicker. Where people work with autonomy, alongside a wide range of amazing co-owners, on projects that break new ground. We want your hard work to be rewarded with perks you actually care about! We were recently named the , and we ranked in the . Our Group CEO, Greg has recorded and how we empower our people. We’ve also been placed in the• 🎁 Visit our UK perks hub - If this sounds like you then we'd love to hear from you. 🚀 Our process usually takes up to 4 weeks, but we’ll always do our best to flex around what works for you. Along the way, you’ll chat with our recruitment team and your Recruiter will help you throughout different stages. Got any burning questions before then? Drop us a message at and we’d love to help!Are you ready for a career with us? We want to ensure you have all the tools and environment you need to unleash your potential. Need any specific accommodations? Whether you require specific accommodations or have a unique preference, let us know, and we'll do what we can to customise your interview process for comfort and maximum magic!Studies have shown that some groups of people, like women, are less likely to apply to a role unless they meet 100% of the job requirements. Whoever you are, if you like one of our jobs, we encourage you to apply as you might just be the candidate we hire. Across Octopus, we're looking for genuinely decent people who are honest and empathetic. Our people are our strongest asset and the unique skills and perspectives people bring to the team are the driving force of our success. As an equal opportunity employer, we do not discriminate on the basis of any protected attribute. Our commitment is to provide equal opportunities, an inclusive work environment, and fairness for everyone.We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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