.Company DescriptionNatixis in Portugal is a Centre of Expertise whose mission is to transform traditional banking by developing innovative solutions for the business, operations and work culture of Groupe BPCE worldwide.Natixis in Portugal is part of the Global Financial Services division, where it applies technology for the development of financial expertise in its two global business lines – Corporate & Investment Banking and Asset & Wealth Management – and, transversally, for the entities of Groupe BPCE.The Centre of Expertise, based in Porto, currently has more than 2,400 employees from over 30 nationalities, organised in three main departments: Information Technology, Banking Support Activities and Compliance. These teams work in an integrated, inclusive and transversal way, supporting and creating value for all the business lines and platforms of the group. The project in Porto is one of the biggest investments in Human Resources ever made by Groupe BPCE worldwide.A disruptive mindset and a culture of proximity and agility identify Natixis in Portugal Team and reflect the company's mission to transform traditional banking at a global scale: a perfect match in the Portuguese dynamics and entrepreneurial ecosystem.In 2024, Top Employers Institute has awarded Natixis in Portugal the Top Employer Portugal accreditation for the second time. This certification recognizes excellence in people practices, following the example of our head office, in France, who was certified Top Employer France for the eight year in a row.Job DescriptionTeam presentation and main goal:The COO CIB provides middle and back-office functions as well as Third Party administration for the activities of Global Markets, Financing, Investment Banking and Trade and Treasury Solutions, serving Commercial Banking.The Operational Tax and Regulatory unit in the Business Management of COO CIB oversees operational taxation, securities custody account keeping and the coordination of regulatory changes impacting the OPS department.The supervision of operational taxation (Op Tax unit) is a new activity that is gradually being put in place, with a progressive ramp-up. The OpTax unit is gradually taking over a wide range of tasks covering all CIB businesses (market operations, financing operations, etc.).The mandate of the team is to:Manage all operational processes related to tax regulations (20 regulations to date),Provide a control and monitoring framework for all processes related to tax regulations,Provide operational expertise on regulations within its scope,Perform regulatory watch.Main tasks and goals:The processes covered are notably DAC6, processes contributing to US taxation (documentation, reports), VAT processes, Taxes on Financial Transactions, processes of withholding tax, etc.Understanding and working knowledge of FATCA and CRS RegulationsCollect sensitive client documentation regarding tax regulations such as FATCA, AEOI, 871m / QDD..