HR AND PAYROLL SPECIALIST AT 50–60%

Nextkidney SA is a Swiss international MedTech company based in Lausanne, with its headquarters in the Netherlands. We are developing and commercialising the world's first portable hemodialysis device, with activities across Europe, Asia and the US.

Our Swiss entity has around 45 employees and is growing rapidly. As a scale-up, we combine an entrepreneurial mindset with high ambitions. Some HR processes are already in place, while others still need to be built, simplified or improved.

You will be the HR reference for our Swiss entity. This is a hands-on, operational and varied role for someone who enjoys working close to the business, taking ownership and continuously improving the way we work. Pragmatism, flexibility and collaboration are part of our everyday life.

Our company mission: create a better life for dialysis patients all over the world!

HR AND PAYROLL SPECIALIST AT 50–60%

For our HR and Accounting department, we are looking for an HR and Payroll Specialist to support day-to-day human resources operations and ensure smooth payroll processes within the organization.

The ideal candidate has specific HR and payroll education, strong attention to detail, and the ability to manage multiple administrative and operational tasks in a dynamic and international environment.

This role requires reliability, confidentiality, strong organizational skills and a good understanding of Swiss HR administration, payroll processes, labour law, pension plans and social security requirements.

As this is a hands-on role supporting our local team, regular on-site presence (3–4 days per week) is essential. We are therefore looking for someone based within a reasonable commuting distance of Lausanne.

Key Responsibilities

• Prepare employment contracts, amendments, certificates and other HR documentation.
• Maintain employee records in compliance with legal and internal requirements.
• Coordinate onboarding and offboarding activities.
• Manage attendance, leave and absence records.
• Prepare monthly payroll and liaise with payroll providers.
• Support recruitment activities, including job postings, interview scheduling and candidate follow-up.
• Coordinate the annual performance review and salary review process.
• Maintain training and employee development records.
• Act as the first point of contact for employees on HR policies and procedures.
• Ensure compliance with Swiss labour law and internal HR policies.
• Contribute to the continuous improvement of HR processes and documentation.
• Provide occasional support to the Finance department (invoices, expense claims and accounting administration).

Profile

• HR Certificate (HRSE) or equivalent qualification required. HR Specialist with Federal Diploma is a plus.
• 5–8 years of experience in an operational HR role including payroll.
• Good knowledge of Swiss labour law, payroll, social security and pension schemes.
• Fluent in French and very good English (minimum B2).
• Strong organizational skills, attention to detail and ability to handle confidential information.
• Proficient in Microsoft Office (especially Excel, Word and Outlook).
• Experience with Office Maker Staff or similar HR/payroll software is an advantage.
• Able to work both independently and collaboratively, with strong interpersonal and communication skills.

We Offer

• The opportunity to make a real impact in a fast-growing MedTech scale-up.
• A varied, hands-on role with a high level of autonomy and ownership.
• The chance to shape and continuously improve HR processes in a growing organization.
• An international and collaborative working environment with around 45 colleagues in Switzerland.
• A meaningful mission: helping improve the lives of dialysis patients worldwide.