We are seeking a service-oriented and communicative individual to join our team as an Office Allrounder (m/f/x) on a part-time basis. You will support organizational, operational, and administrative tasks, including contract management, time tracking, and master personnel data. You will also act as a contact person for building management, office equipment, and supplies, and participate in event planning and meeting room preparation. This role requires a high degree of initiative, independence, and a hands-on mentality, along with optimal time management, organizational skills, and teamwork. Proficiency in German and English, along with good digital skills (e.g., MS Office 365), is essential.