Senior HR Specialist 80-100%

• 20 August 2026 • 80 - 100% • Indefinite duration • 3175 Flamatt • Log in to see the jobup.ch salary estimate For more than 75 years, we have followed our curiosity. It drives us and has made Comet a world-leading Swiss technology company. Curiosity and a research spirit have allowed us to innovate and to remain so. For a better and more sustainable world. We develop and produce innovative high-tech components and systems based on X-ray and radio frequency technology. Our developments contribute significantly to safer, more efficient, and more sustainable production, mobility, and communication. In group functions, we support market-oriented divisions with central services. Together, we are working today on the solutions of tomorrow. In close collaboration with our customers and always with a high level of quality requirement. Senior HR Specialist 80-100% # What you will do: • You process and coordinate central HR administration processes throughout the employee life cycle, from entries and changes to exits, absences, as well as work permits • You take charge of demanding special cases and provide support on questions related to Swiss social insurances, payroll-related processes, HR systems, and regulatory requirements • You ensure high quality of HR master data and coordinate relevant data and processes with all concerned stakeholders • You support the HR services team on technical questions, coordinate priorities, and contribute to reliable service quality, clear responsibilities, and efficient processes • You identify potential for optimization and are part of local and global HR service projects, particularly in the areas of standardization, digitalization, and automation What you bring: • Several years of practical experience in Swiss personnel administration and a deep understanding of relevant HR and social insurance topics as well as completed basic training with complementary training in human resources management, for example as an HR specialist with federal diploma • Good knowledge of Swiss payroll processes, year-end work, as well as interfaces with authorities, insurances, pension funds, and internal stakeholders • Experience in process optimization, HR transformation, documentation or service delivery as well as enjoyment in critically questioning existing processes and actively developing them • Good knowledge of SuccessFactors and ideally experience as a key user as well as a strong affinity for data and excellent Excel skills • You communicate confidently in German and have good knowledge of English