Quality Control Chemist / Senior Quality Control Technician (m/f/d) We take great pride in our vast range of chemical and biochemical products and our high standards can only be maintained through great people who share our values and desire to do the very best job possible every day. Position Summary We have an exciting opportunity for a Quality Control Chemist to join our team in Berlin. The main responsibilities of a QC Chemist are carrying out analytical testing, documentation and reporting. The QC Chemist may also be required to perform method development, method performance characterisation including validation, or participate in research projects. All QC Chemists are expected to actively be involved in housekeeping of the labs, including supporting maintenance of testing infrastructure. Role and Responsibilities Carry out GMP-compliant analytical testing of samples Sampling and testing of chemicals (especially process raw materials and polymers) and proteins, using the necessary associated wet chemistry and instrumental techniques Ensure samples and products are handled appropriately according to standard operating procedures and work instructions Prepare test records, participate in drafting analysis reports, stability reports and Certificates of Analysis Participate in development of analytical procedures for the analysis of raw materials, in-process samples and pharmaceutical products Perform instrumental analysis to assist in method development Research literature and pharmacopeia for methods when necessary Assist other members of the QC team with method development tasks Ensure GMP-compliant maintenance and qualification of QC equipment Organize and carry out equipment qualification as requested by the QC Manager, ensuring all qualification documents are complete for equipment release Ensure all qualifications are done as described in the SOPs Manage the necessary documentation as required by standard operating procedures Requirements BSc or higher degree in Pharmacy, analytical Chemistry, Chemistry, Biochemistry or related, or appropriate vocational training plus 5 years experience in an analytical lab Experience with method development and execution of detector-coupled (e.g., UV/VIS, RI, ELS) analytical separation (HPLC, U(H)PLC, GPC) for proteins and peptides, including sample preparation Use of chromatography data systems (CDS) in instrument control and data processing Use of office software such as spreadsheets for data evaluation and text processing programs Experience with analytical techniques: HPLC-(UV/RI/ELS/CAD), spectrophotometric analysis (UV/VIS, IR) especially on peptides, proteins and/or synthetic polymers Strong analytical interpretation skills General technical user knowledge in analytical instrumentation Intermediate to good English and German language competency (level B2/C1) in speech and writing Self‑motivated, well‑organized, and proactive learner Ability to work independently in a structured manner Ability and willingness to train and instruct coworkers in newly developed testing methods Team player especially concerning work and lab organisation About us Biosynth® is an innovative life sciences reagents, custom synthesis and manufacturing services company headquartered in Staad, Switzerland. We are by scientists, for scientists, securing supply chains with consistent quality, across the globe. As a trusted supplier, manufacturer and partner to the pharmaceutical, life science and diagnostic industries, as well as food, agrochemical and cosmetic customers, we have facilities on three continents and a rapid global distribution network. Our main production laboratories are located in Switzerland, the UK, Slovakia and China, with peptide and antibody production in the US, the Netherlands. Enzyme projects are based in Austria, bioconjugation projects are based in Germany and biological IVD reagents in Ireland. Seniority level Associate Employment type Full‑time Job function Science Industries Pharmaceutical Manufacturing and Chemical Manufacturing #J-18808-Ljbffr