Build and maintain strong foundational knowledge of the ESG Book product suite, including key workflows, use cases, and customer impact., Setting up client access, permissions, and delivery schedules on the ESG Book platform, Guiding new clients through onboarding processes and platform orientation, Apply product knowledge to resolve standard customer queries accurately., Serving as a key point of contact, particularly for German-speaking clients (e.g. savings banks in Germany), Handling incoming client support queries via the service desk, Investigating and resolve technical problems related to platform access, data, and delivery, Using tools like Excel for analyzing and troubleshooting data-related issues, Collaborating with tech and product teams to triage complex problems, Acting as a link between the CES team and internal stakeholders (Sales, Product, Tech), Supporting Sales Teams with technical documentation and insights on platform functionality, Helping develop internal and client-facing documentation and FAQs