.This is a period of unprecedented change in the global international tax arena. As Senior, at International Tax and Transaction Services (ITTS) team, you will be helping international and multinational companies align their global tax position with their business strategy in order to maintain competitive advantage and provide shareholder value.At EY, you'll have the chance to build a career as unique as you are. Join us and build an exceptional experience for yourself, and a better working world for all!The opportunity We are looking for a highly motivated, ambitious, enthusiastic and hard-working professional, who is looking for a challenging career move, to join our ITTS team as a Senior. Key responsibilitiesEffectively contribute in implementation, improvement and development of technical projects related with International Tax and Transaction Services; Provide tax advice and planning services to a portfolio of projects for multinational companies; Delivery projects related with international services; Accompany executives in client meetings or in meetings with the tax authorities and have client contacts autonomously in view to get the right information to realize the tasks; Participate in preparing the writing of proposals and assist with the preparation of external publications or seminars; Gain a good understanding of the Portugal income tax aspects relevant in an international context; Stay up-to-date regarding market changes and develop a broader knowledge around your client portfolio; Maintain long-term collaborative and profitable relationships with your client and pro-actively identify and inform of possible new missions or opportunities in the existing portfolio; Proactively communicate and collaborate with your colleagues of the team and supervise work (quality and workload) of juniors and escalate observation to the executive; Actively participate to the training and coaching session of your development plan and be responsible for the development of your own technical knowledge.Skills and attributes for successTechnical rigor and attention to detail; High level of dynamism and business acumen; Strong problem-solving skills; Critical sense;Efficient, innovative and team-oriented work environment; A strong work ethic;Professional responsibility, confidentiality and integrity; Dedicated, innovative, resourceful and able to work under pressure; Team player and critical thinking; Forward thinker andself-starter; Team management