Independent tax support for Greencells GmbH as well as foreign subsidiaries and permanent establishments., Ensuring and controlling tax compliance processes (including VAT, CIT, Bauabzugsteuer, RCT/CIS, Green Tax, etc.) in cooperation with our external advisors., Tax analysis, evaluation, and documentation of new business transactions, contracts, and international supply chain structures., Coordination and communication with internal interfaces (Finance, Accounting, Procurement, Legal, Project Management) as well as external tax advisors., Management and support of tax audits, authority inquiries, and internal projects., Identification and evaluation of tax risks as well as active further development of the Tax Risk & Compliance Framework., Initiation and implementation of process optimizations, digitalization, and automation in the tax environment.