Administrative Assistant (HR-SA-2026-197-LD)

The role of Administrative Assistant (HR-SA-2026-197-LD) at CERN involves supporting the Jardin des Particules, an early childhood education and childcare facility. CERN, the European Organization for Nuclear Research, is dedicated to exploring the fundamental structure of the universe through advanced scientific instruments. The Administrative Assistant will handle a variety of administrative tasks, ensuring the smooth operation of the Jardin des Particules. The main day-to-day responsibilities include managing the full administrative lifecycle of JDP employees, from recruitment to departures, and coordinating payroll administration with external fiduciaries. The role also involves managing personnel administration in accordance with Swiss employment legislation, monitoring the JDP budget, and processing invoices and payments. Additionally, the Administrative Assistant will act as the main administrative contact for JDP staff on employment-related matters, liaise with external partners, and prepare communication and promotional material for the Jardin des Particules. To qualify for this position, candidates must have a Technical Certificate or General Secondary Education or equivalent relevant experience in Administration, Human Resources, Accounting, Finance, or a related field. Essential requirements include demonstrated experience in managing employment administration under Swiss labour legislation, and proven experience in administrative, HR, and financial administration within a small or medium-sized enterprise (SME) in Switzerland. Proficiency in both spoken and written English and French is mandatory. Nice-to-have skills include experience working with external fiduciaries or payroll providers, and experience in an international or multicultural environment. Knowledge of accounting software, such as Crésus, would be beneficial. The role offers a fully onsite position with a competitive salary, increasing in line with relevant experience, and a comprehensive benefits package including health insurance, pension fund membership, and family allowances. The position is based in Geneva, Switzerland, and offers a dynamic and collaborative work environment. What the role asks for: - Technical Certificate or General Secondary Education or equivalent relevant experience in the field of Administration, Human Resources, Accounting, Finance or a related field. - Demonstrated experience managing employment administration under Swiss labour legislation, including employment contracts, payroll administration, social insurance, occupational pension schemes (LPP) and other statutory employment obligations. - Proven experience in administrative, HR and financial administration within a small or medium-sized enterprise (SME) in Switzerland. - Spoken and written English and French. - 40 hours per week.