Administrative Asisstant

Monolithic Power Systems (MPS) is a fast‑growing semiconductor company that designs and manufactures integrated power semiconductors and power‑delivery architectures for cloud computing, telecom, automotive, industrial and consumer markets. The role of Administrative Assistant will support the local office in Schaffhausen, Switzerland, reporting to the EU Controller. Day‑to‑day duties involve acting as the key SAP Concur user for travel‑expense processing, collaborating with Accounting and Finance on accounts‑payable and accounts‑receivable tasks, entering invoices and reconciling accounts, and coordinating with the Facilities team, vendors and service providers. The assistant also handles purchase requests, office and marketing supplies, correspondence, travel arrangements, event organization, training onboarding, health‑and‑security documentation, ESG reporting and ad‑hoc projects as needed. The position requires a bachelor's degree in business, administration or a related field and more than three years of relevant experience. Candidates must be fluent in German, English and French, possess strong verbal and written communication abilities, and demonstrate excellent organisational skills. Proficiency with Microsoft Excel, PowerPoint and Teams is essential. Working in Schaffhausen offers the chance to join a diverse, inclusive team that values creativity, sustainability and innovation. MPS promotes equal opportunity and encourages applicants from all backgrounds to apply. What the role asks for: - BS/BA degree in business, administration or related field - More than 3 years' relevant experience - Fluent in German - Fluent in English - Fluent in French - Very good knowledge of Excel, PowerPoint and Teams - Excellent verbal and written communication skills - Excellent organization skills