Chemielaborant Synthese / Lab Technician Synthesis (small molecules)

For our client in Wädenswil, we are looking for a motivated
Our client drives drug discovery through cutting-edge science and advanced technologies to develop breakthrough therapies. Their aim is to accelerate preclinical development for targeted cancer treatments. Through computational approaches and state-of-the-art automated chemistry, their focused and results-driven work promotes innovative research in personalized cancer therapy— where next-generation research translates into tangible impact.
As they expand their research and development activities in Wädenswil, they are looking for a Lab Technician to join their Medicinal Chemistry Lab. In this role, the successful candidate will support chemists in the small-molecule drug discovery process and contribute to the development of new anticancer agents. Working closely within an interdisciplinary team, the role involves the synthesis and characterization of new chemical structures and plays a key part in confirming and validating synthesized compounds, ensuring high-quality and reliable experimental results for ongoing medicinal chemistry research.
Your tasks
Self-planning and accomplishment of objectives according to instructions given by the superior or other Chemists
Document synthesis details and analytical results in the ELN on a daily basis
Document deviations from planned activities / results and propose alternative solutions using synthesis databases
Optimization of reaction conditions and purification processes steps
Analysis and identification of reaction products by using appropriate analytical tools including HPLC, MS and NMR
Purification of compounds by chromatography
Collaborate and share information with other technicians to improve working processes
Collaborating closely and supportive as part of an international team
Demonstrate continuous improvement of lab work
Ensure compliant disposal of chemical waste from working environment
Ensure working environment is safe, clean and compliant with EHS and chemical regulations at all times
Review appropriate safety documentation to ensure full understanding of operation and risks using chemicals to ensure maintenance of laboratory safety
Your qualifications
Apprenticeship as a lab technician or equivalent qualification (No MSc or PhD)
+ 3 years of professional experience in organic synthesis
Experience performing analytical methods (NMR, HPLC, LCMS) and interpretation of results
Able to work in a results driven environment, flexible to changing priorities and work within deadlines
Good communication skills, both written and verbal in English. Additional knowledge of German is a plus
Please note that candidates holding a MSc or PhD degree will not be considered.
Your application
Please apply online. For further information about the position, please contact your Gi Consultant,
Ms. Marta Castellano
, MSc Biochemistry (+41 76 342 57 90).
Gi Life Science is part of Gi Group Holding, a global ecosystem of HR services and consulting that supports the development of the labour market and helps to change people's lives in 37 countries around the world.
In Switzerland we operate with the brands Gi Life Sciences, Gi Group, Grafton, BauTech and former Kelly Services. We are active in temporary, permanent and professional staffing as well as in a variety of complementary HR Services. With a direct presence in 35 locations across Switzerland and over 250 employees, we are one of the leading staffing companies in the Swiss recruitment market.
Gi Life Sciences is specialist for Temporary and Permanent staffing in the Life Science sector, as well as a valuable partner for many other HR Solutions. We believe in experts talking to experts: all our professionals are certified in scientific sector, meaning that they are able to understand your needs and support you at 360°.
Gi Life Sciences Zürich
Frau Marta Castellano
Consultant Life Sciences
+41 76 342 57 90
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