Administrative Assistant

The Administrative Assistant will manage the day-to-day administration and management of the Jardin des Particules, including HR administration, financial management, and operational coordination within a Swiss employment framework. The role supports the CERN Staff Association by ensuring smooth administrative processes and contributing to the visibility of the childcare facility within the CERN community.

Responsibilities

• Managing the full administrative lifecycle of JDP employees, including recruitment administration, employment contracts, amendments, onboarding and departures.
• Coordinating payroll administration with the external fiduciary and ensuring the accuracy of salary-related information.
• Managing personnel administration in accordance with Swiss employment legislation, including social insurance, pension schemes (LPP), employment contracts, leave management and other statutory obligations.
• Acting as the main administrative contact for JDP staff on employment-related matters.
• Monitoring the JDP budget, processing invoices and payments, maintaining accounting records and supporting financial reporting.
• Performing financial monitoring and analysis to support sound budget management.
• Liaising with external partners including the fiduciary, insurance providers and public authorities when required.
• Preparing communication and promotional material for the Jardin des Particules and supporting its visibility within the CERN community.
• Contributing to the continuous improvement of administrative and financial processes.
• Providing occasional support to the Staff Association Secretariat by welcoming visitors and responding to general enquiries.

Requirements

• 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.
• Experience working with external fiduciaries or payroll providers would be an asset.
• Experience in an international or multicultural environment would be an advantage.
• Technical Certificate or General Secondary Education or equivalent relevant experience in the field of Administration, Human Resources, Accounting, Finance or a related field.

Skills

• Employment Administration
• Swiss Labour Legislation
• Payroll Administration
• Social Insurance Management
• Occupational Pension Schemes
• HR Administration
• Finance Administration
• Administrative Coordination
• Working with Fiduciaries
• Payroll Provider Coordination
• International Environment Experience
• Multicultural Environment Experience

Languages

English, French