Tax Advisor; Contractor

At Eni
, we are looking for a Tax Adviser within Eni UK Limited in London
. You will be responsible for preparing UK direct and indirect tax compliance and providing integrated tax advice to support the Eni UK group, including responding to HMRC correspondence under the supervision of the Tax Manager. Your role will involve coordinating input from internal tax teams and external advisers, collaborating with UK and overseas colleagues to meet all compliance obligations, and ensuring quarterly tax reporting is completed in line with Group policy.

You will also help maintain and monitor effective tax controls across the supply chain as part of the team’s broader responsibilities.

Eni UK Limited, a member of the Eni S.p.A. group, is responsible for the decommissioning of onshore and offshore assets in the United Kingdom. Eni UK Limited is leading two important decommissioning projects in Liverpool Bay and the Southern North Sea (Hewett field). Through decommissioning assets and leveraging its comprehensive knowledge, the company is supporting the UK’s targets to achieve net zero emissions by 2050, ensuring that infrastructure can be repurposed for future CO2 transport and storage.

By joining Eni UK Limited, employees become part of a pioneering effort in the decommissioning of assets, contributing to shaping the future of the assets while benefiting from a dynamic and innovative work environment.

• Ensure timely submission of tax returns and compliance filings in the required format.
• Optimise the use of available reliefs and allowances for VAT, EU Sales List, other indirect taxes and Corporation Tax.
• Prepare and provide technical input for HMRC enquiries, including indirect tax queries and CTSA matters.
• Calculate current and deferred taxes, prepare tax journals, and ensure accurate reconciliation of tax figures in line with applicable accounting principles and Eni reporting requirements.
• Support quarterly VAT returns, indirect tax reconciliations, and customs-related matters for imports and exports.
• Prepare final Corporation Tax claims, surrenders and review PRT decision notices and CT assessments.
• Assist in audits, including year‑end and half‑year reviews of tax‑related issues.
• Contribute to tax planning initiatives and corporate optimisation or reorganisation projects.
• Provide tax advisory support to the UK business and collaborate with other teams within the department.
• Maintain positive relationships with fiscal authorities.
• Share expertise by coaching and supporting colleagues within the Tax team.
• Ensure adherence to Health, Safety & Environment requirements and full compliance with the Eni Code of Ethics and Law 231 principles.
• Undertake ad hoc duties as required.

• University degree or equivalent qualification.
• Professional tax qualification (ATT or equivalent) is recommended.
• Strong understanding of the upstream oil and gas sector and associated tax risks.
• Good working knowledge of UK tax issues, particularly those related to decommissioning.
• Ability to translate complex tax matters into clear, commercial guidance for non‑tax stakeholders.
• Proficiency in SAP accounting systems, Excel, Word and One Source tax software.
• Strong communication and interpersonal skills, with the ability to work effectively under time pressure.
• Excellent planning, organisation and prioritisation abilities, with flexibility to adapt to changing deadlines.
• Willingness to work overtime or occasional weekends during year‑end, quarterly close or exceptional circumstances.