Sr. Quality Control Scientist

Bachem is a leading, innovation-driven company specializing in the development and manufacture of peptides and oligonucleotides. With over 50 years of experience and expertise Bachem provides products for research, clinical development and commercial application to pharmaceutical and biotechnology companies worldwide and offers a comprehensive range of services. Bachem operates internationally with headquarters in Switzerland and locations in Europe, the US and Asia. The company is listed on the SIX Swiss Exchange. For further information, see

A brief overview

The Sr. Quality Control Scientist fulfills a critical role in active pharmaceutical ingredients (APIs) manufacturing operations. This individual performs routine release testing, in-process testing, and stability testing, as well as method development and validation. In addition, this individual performs special projects such as peptide characterization, impurity identification, and other studies as necessary. This individual conducts or contributes to investigations and the identification and implementation of corrective actions. This individual contributes to advances in analytical capabilities for the Quality Control department and to the development of all Quality Control staff members.

What you will do


  • Conduct routine analytical tests (HPLC, amino acid analysis, gas chromatography, elemental analysis, thin layer chromatography, polarimetry, melting point, UV-VIS spectrophotometer, Karl Fischer titration, FT-IR spectroscopy, wet chemistry, etc.)
  • Conduct water and environmental monitoring testing (TOC, pH, conductivity, LAL bacterial endotoxin, bioburden, etc.)
  • Support analytical test method development and validation
  • Coordinate, execute and oversee impurity identification and peptide characterization projects for the establishment of specifications and in support of regulatory CMC filings
  • Design and execute studies and experiments based on project assignments and draw conclusions based on data generated
  • Perform mathematical calculations, interpret results and record observations
  • Peer review/2nd checking of data to verify compliance with test procedures, verify calculations, assure compliance with specifications, and identify any abnormalities
  • Initiate and document investigations with the intent of determining root cause. Identify and implement appropriate corrective actions where needed
  • Perform, track and trend stability study time points and maintain stability records
  • Interact with external test laboratories that provide contract testing services
  • Write standard operating procedures (SOPs), test methods, validation protocols and reports, and technical reports
  • Ensure Quality Control laboratory equipment is properly maintained and calibrated
  • Provide guidance and training of other QC personnel to perform various tests according to procedures
  • Support and participate in internal and external audits and inspections
  • Evaluate, recommend, and implement new analytical technologies and instrumentations for peptide analysis and characterization
  • Provide timely responses to internal and external inquiries
  • Stay abreast of new developments in analytical technologies
  • Contribute to improvement in laboratory operations to increase efficiency and GMP compliance
  • Order supplies and maintain adequate stock of other consumable items



  • Bachelor’s degree in chemistry or related science field with 5 years' experience
  • Master’s degree in chemistry or a related science field (preferred)
  • PhD in chemistry or a related science field (preferred)
  • Academic and industry analytical laboratory experience with focus on peptide and protein analysis
  • Hands on experience with HPLC, GC, UV-VIS, FTIR, MS, and LC-MS
  • Broad knowledge of modern analytical chemistry
  • Excellent written and oral communication skills
  • Basic computer knowledge, including Microsoft Word, Excel and PowerPoint
  • Ability to effectively organize, multitask, and work in a fast-paced, deadline driven work environment
  • Ability to communicate in a proactive and solution-focused manner, including keeping management aware of potential issues
  • Detail oriented with the ability to troubleshoot and resolve problems
  • Ability to work independently and manage one's time
  • Communicate effectively and ability to function well in a team environment
  • Flexibility of working hours based on business needs, may include some nights and occasional weekends


Our people are passionate about what they do, the product they sell, and the customers they serve. If you're looking for an opportunity to be a part of a work family that values collaboration, innovation and dedication, we're the right company for you.



Base Hourly Pay Range:


$38.69 - $53.21


Placement of new hires in the wage range is based on several factors including education, skill sets, experience, and training.


Total Rewards


We offer all Team Members a total rewards package including competitive pay, annual performance bonus, a generous benefit package with comprehensive Medical/Dental/Vision coverage, 401(k) plan with employer contribution, and paid vacation, personal and sick days.


Corporate Social Responsibility


Bachem takes responsibility for future generations by a careful handling of resources and avoiding environmental risks. We continually improve our ecological performance and develop and implement new approaches for enhancing employees’ environmental awareness.  EcoVadis has awarded Bachem Platinum Medal status in their assessment of Bachem.


Bachem Americas is an Equal Opportunity Employer


All qualified applicants will receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, or other legally protected status.


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