Mitarbeiter:in Backoffice (a) 40-50%

Manage the telephony service, handle incoming and outgoing mail, and execute general administrative tasks including drafting letters, creating minutes, and correspondence. Organize hotel bookings for technicians, coordinate training sessions and internal events, and support leadership with administrative and organizational matters. Manage office supplies to ensure the workspace remains fully equipped, process creditor bookings, and assist with accounting administrative duties. Requires a commercial basic training, strong German and French skills, and MS Office proficiency.