Professional user and customer support for portal access including 2FA, Answering hotline inquiries or forwarding them to the responsible department, Processing tickets within the ticket system or tasks involving multiple support levels that fall under the area of responsibility, Managing first-level tickets to involved service providers, departments, or colleagues, Point of contact for customer service inquiries - initial processing of customer concerns via hotline, Processing internal and external disruptions in the technical order processing, Assisting in the quickest possible restoration of service, Optimizing the ticket system (OTRS) and ensuring 1st level support, User management for registrations, deregistrations, or changes in account requirements, Creating manuals and FAQs with relevant information, as well as tailor-made solution proposals for emerging problems, Maintaining matrices of contact persons in the branch offices, as well as contacts of service providers, Independent office management, including correspondence, Creating checklists and aids