Hr and payroll specialist at 50-60%

NextKidney SA is a fast-growing innovative company developing and commercializing the world’s first portable hemodialysis device. We do business in Europe, Asia, and US. You will collaborate with Investment funds (VC’s), foundations and companies all over the world and be part of an open modern working atmosphere where business and professional human values meet. Our company mission : create a better life for Dialysis patients all over the world !

HR AND PAYROLL SPECIALIST AT 50-60%

The HR & Payroll Specialist is responsible for supporting day-to-day human resources operations and ensuring smooth payroll processes within the organization . The ideal candidate has specific HR and pa yroll education and is detail-oriented, reliable, and able to manage multiple tasks in a dynamic environment. Key responsibilities and accountabilities

Knowledge, skills and abilities

Education and experience

Start of mission As soon as possible Activity rate 50-60%

• Prepare employment contracts, amendments, certificates, and related HR documentation
• Maintain and update employee records in accordance with legal and internal requirements
• Coordinate onboarding and offboarding processes for employees
• Track attendance, leave, and absences, and ensure accurate data collection
• Prepare monthly payroll inputs and liaise with external or internal payroll providers
• Support recruitment logistics such as job postings, interview scheduling, and candidate follow-up
• Organize and monitor annual evaluation and increment cycle.
• Maintain training records and employee development activities
• Serve as a point of contact for employee queries r elated to HR policies and procedures
• Ensure compliance with labour laws and internal HR practices
• Maintain proper filing and archiving of HR and administrative documents
• Contribute to process improvement initiatives and ensure smooth operational workflows
• Occasional support to the finance dept, i n c luding t he preparation of accounting documents, invoice collection, expense claim processing , updating financial spreadsheets
• Good knowledge of and experience with Swiss labour law , pensions plans and social securities , payroll administration and HR administrative processes .
• Experience with French payrolling processes and labour law and regulations is a plus
• Strong organisational skills and attention for detail
• Ability to handle confidential information with professionalism
• Proficiency in Microsoft Office (Excel, Word, Outlook); experience with Office Maker staff or payroll tools is a plus
• Strong interpersonal and communication skills
• Ability to work independently and collaboratively
• Bachelor or equivalent in Human Resources, HR Specialist with Federal Diploma , or a related field
• Fluent in English and French.
• 3-5 years of experience in a similar HR/ payroll role