We've got an exciting opportunity to join our international tax services team, who are recognised as being leaders in international tax advisory and cross border M&A. You will be working with some of the largest corporations in the world advising them on their international tax planning and M&A deals.Working within our International Tax Service (ITS) Practice focusing on clients in the Energy Sector - from established oil and gas companies to private equity backed new entrants investing in emerging technologies. You will be working with some of the sector leading Partners who are well known and respected in the market. You'll also be working with a high performing team who have advised on many high profile and market leading transactions over the past few years.It is a great time to join the ITS team who have expanded exponentially in recent years and are continuing to grow. With a number of disrupting factors in the market at the moment you'll be at the forefront of helping our clients to navigate the market challenges on an international scale.The opportunityThe combination of experience and innovation in our team makes it not only one of the most exciting places to work in tax, but also a place where you can learn and develop into a skilled and renowned international tax adviser, working with leading UK / overseas MNCs, lawyers and banks on complex and challenging projects.Our international tax professionals will work on a variety of projects which are focused on helping clients to develop and execute their international tax strategy, including:Expansion into new marketsPre-transaction reorganisations and post-transaction integrationM&A diligence and tax structuringLegal structure rationalisationOperating model redesignOptimisation of capital structure and financingAdvice on the tax aspects of some of the firms most complex auditsManaging the risk arising from global law change such as BEPS, andLobbying and negotiation with tax authorities in UK and globallyYour key responsibilitiesBuild and maintain relationships with clients, winning work proactively and contributing to winning new clientsManagement of the successful delivery of technically complex and demanding consulting projects, ensuring technical excellence and practical / business driven approach takenOverall responsibility of quality of client serviceManage possible leads from other areas of the practiceBuild networks and relationships internally and externally for the team to leverage fromDevelop junior staff through effectively supervising, coaching and mentoringSignificant involvement in the management of the team both in terms of strategy and operations and also through managing junior staff development and assignmentsSkills and attributes for successClient driven and commercially awareStrong international and UK tax technical skillsStrong client relationship management skills with ability to develop quality outputs to clientsNegotiation skills, able to sustain opinion and handle challengesBusiness development skills, able to identify and convert opportunities to sell workStrong business acumen with ability to manage engagement financial resultsEffective time management, ability to remain calm when under pressure to meet deadlinesExcellent communicator in a range of situations both written and oralEnthusiastic team player with ability to create, sustain and lead effective teamsEnsure delivery of quality work and take day to day leadership of delivery teamChange orientated and innovative with flexible approach to ways of working and adoption of new technologiesTo qualify for the role you must haveExperienced tax practitioner with reviewing skills and expertise in international taxAny of the following: ATT / ACA / CA / CTA (or breadth of knowledge equivalent to CTA, e.g. law qualification)Proven track record of Managing a team andmentoring and developing more junior team membersWhat we look forYou'll proactively maintain your technical knowledge by keeping abreast of global developments in UK and international tax concepts and issues so that you can better advise our clients. In return we'll provide investment in specialist training and offer you opportunities on projects and assignments that will develop and challenge you so that you're in the best place to develop you tax career.As an International Tax Senior Manager with EY you'll be working on an exclusively advisory portfolio from day one with access to an unmatched client base including smaller inbound clients through to the world's largest multinationals, on transactions, advisory and audit of tax projectsWhatever the projects and assignments you work on you can be confident that you're contributing towards helping our clients to develop and execute their international tax strategy ensuring technical excellence and providing the highest levels of client service.What working at EY offersWe offer a competitive remuneration package where you'll be rewarded for your individual and team performance. Our comprehensive Total Rewards package includes support for flexible working and career development, and with FlexEY you can select benefits that suit your needs, covering holidays, health and well-being, insurance, savings and a wide range of discounts, offers and promotions. Plus, we offer:Support, coaching and feedback from some of the most engaging colleagues aroundOpportunities to develop new skills and progress your careerThe freedom and flexibility to handle your role in a way that's right for youEY is committed to being an inclusive employer and we are happy to consider flexible working arrangements. We strive to achieve the right balance for our people, enabling us to deliver excellent client service whilst allowing you to build your career without sacrificing your personal priorities. While our client-facing professionals can be required to travel regularly, and at times be based at client sites, our flexible working arrangements can help you to achieve a lifestyle balance.About EYAs a global leader in assurance, tax, transaction and advisory services, we're using the finance products, expertise and systems we've developed to build a better working world. That starts with a culture that believes in giving you the training, opportunities and creative freedom to make things better. Whenever you join, however long you stay, the exceptional EY experience lasts a lifetime. And with a commitment to hiring and developing the most passionate people, we'll make our ambition to be the best employer by 2020 a reality.If you can confidently demonstrate that you meet the criteria above, please contact us as soon as possible.Join us in building a better working world.