Research Associate III, Pharmaceutical Sciences

Technical Operations & Process Sciences Bothell, United States


Position at Seagen

Seagen is a global, multi-product biotechnology company dedicated to developing and commercializing transformative cancer medicines. As the industry leader in antibody-drug conjugate (ADC) technology, we pioneered a new generation in the science of harnessing antibodies to deliver cell-killing agents directly to cancer cells. Seagen’s dedication to improving the lives of cancer patients goes beyond science, and we believe that every employee has a role in contributing to this mission. By working together with a shared dedication and diverse perspectives, we can reach our full potential and make a real difference in the world. Seagen is a fast-growing company and has an abundance of opportunities available for you to grow your career. Put your passion to work at Seagen and join us! 


Seagen is looking for a motivated Research Associate III to work in the Impurity Assays Group. In this role, the primary responsibility will be to perform routine testing for process-related impurities including host cell proteins (HCPs), Protein A leachate, glucan, and growth factor IGF-1 LongR3, etc. This person will also participate in development and qualification of methods using various analytical techniques to characterize process-related impurities to support our antibody and antibody-drug conjugate programs. The ideal candidate will have a strong background in biochemistry, molecular biology or related discipline, strong critical thinking and troubleshooting skills and the ability to work both independently and in a collaborative manner. 


  • Independently design and perform routine process-related impurity testing 
  • With guidance, plan and execute complex experiments to support development and qualification of process-related impurity assay, and provide method troubleshooting assistance 
  • Support transfer impurity methods and reagents to internal or external teams and manufacturing facilities 
  • Compile and analyze data in electronic laboratory notebooks 
  • Summarize and present experimental findings at group, department, or cross-functional meetings, participate in discussions and author technical reports 

Preferred Qualifications 

  • B.S. degree in biochemistry, chemistry, molecular biology, or other life science 
  • B.S. and 5+ years relevant industry experience; M.S. and 2+ years of experience 
  • Proficiency in plate-based assay development and troubleshooting, including ELISAs 
  • Attention to detail 
  • Demonstrated ability to understand project scope, meet deliverables timeline, and share responsibility for project milestones 
  • Effective communication and collaboration skills 
  • Nimble learning 
  • Experience with 2D gel and western blotting 
  • Experience with automation 
  • Experience with NMR 
  • Experience with affinity chromatography 

As the leading employer in our industry in the Pacific Northwest, Seagen is proud to offer a competitive total compensation package as well as a comprehensive benefits program designed to support the whole lives of our employees and their families. Benefits include medical, vision and dental coverage, group, and supplemental life insurance, 401(k) with company match, tuition reimbursement, relocation assistance and much more. To learn more about Seagen, please visit  

Seagen is an equal opportunity employer. All qualified applications will receive consideration for employment without regard to race, age, gender identity, sexual orientation, color, religion, sex, marital status, national origin, protected veteran status, disability status, or any other status protected by federal, state, or local law.  

To prevent the spread of COVID-19, and as an integral part of its public health and safety measures, Seagen requires that all newly hired employees be fully vaccinated against COVID-19 before commencing employment, subject to reasonable accommodation and other requirements of applicable federal, state, and local law.