Multi-Company Back Office Manager (80-100%)

• 16 July 2026 • 80 - 100% • Indefinite duration • Possible • Route des jeunes 16C, 1212 Grand-Lancy Main place of work: Genève Travel: approximately 20% in Suisse romande Join a growing group In order to strengthen the back-office services of Python Sécurité SA, Juggers Sécurité SA, ASP Sécurité SA and ADSI Fonti SA, member companies of the Swiss Securitas Group, we are looking for a Multi-Company Back Office Manager. Are you looking for a varied role where your work has a concrete impact on several companies? Do you appreciate responsibility, autonomy and collaboration within a committed team? This opportunity is made for you. Multi-Company Back Office Manager (80-100%) You will actively participate in the smooth administrative functioning of several companies in the group, notably in the following areas: • Accounts receivable and accounts payable; • Customer and supplier invoicing; • Bank reconciliation, clearing and account monitoring; • Commercial secretariat and CRM/ERP management; • Document management, archiving and traceability; • Monitoring deadlines, periodic closings and reporting; • Coordination of cross-functional projects and KPI monitoring; • Optimization, standardization and digitalization of processes; • Interdepartmental collaboration: operations, HR, finance, management and IT. Depending on your experience, you may also participate in the support and training of our commercial apprentice. Your profile: • CFC as a commercial employee or training deemed equivalent; • Proven experience in a versatile administrative role; • Very good knowledge of general accounting and invoicing; • Excellent organizational and priority management skills; • Great ease with IT tools (Microsoft 365, collaborative tools, knowledge of Odoo is an asset); • Fluent French, any other language is an asset. Your qualities: • Above all, we are looking for a personality: • organized, rigorous and reliable; • autonomous while enjoying teamwork; • proactive and solution-oriented; • capable of managing several files simultaneously; • endowed with an excellent sense of service and confidentiality; • sharing our values of collaboration, quality and trust. We offer: • A varied role within a recognized group; • A modern and collaborative work environment; • Responsibilities and real autonomy; • The possibility to participate in development and continuous improvement projects; • Regular exchanges with several companies and professions within the group; • Attractive working conditions. Start date: to be agreed