QC Scientist

Position Summary:

Develop, perform and oversee the performance of testing methods designed to characterize a cell-based therapeutic product at various stages during the manufacturing process, up to and including release of the product for administration to patients.

This is a full-time position located in Rochester, MN.


  • Perform analytical testing (e.g. gene expression, bioassays, flow cytometry) of GMP and non-GMP samples, and maintain required documentation according to departmental policy to support product release and process development, respectively.
  • Monitor and trend GMP Quality Control testing data to assure validity of test system results. Troubleshoot and remedy suboptimal performance of test systems.
  • Perform and oversee product characterization testing in support of research, process development and manufacturing efforts.
  • Oversee analysis of cell composition data. Report results. Advise internal customers regarding outcomes of testing.
  • Supervise the work of one or more Assay Development Associates.
  • Maintain instrumentation. Monitor instrument performance to assure optimal operation.
  • Validate test systems and methods for use in the quality control of GMP-regulated manufacturing, as necessary.
  • Develop additional test methods in response to internal customer requirements, as necessary.

Skills and Qualifications:

  • A bachelor’s degree in biology or a related field, and a minimum of five years of laboratory experience are required.
  • Equivalent combination of education and experience sufficient to successfully perform the job duties as listed above is acceptable.

Rion is a clinical-stage biotechnology company based in Rochester, Minnesota. Rion was founded as a Mayo Clinic Employee Entrepreneurial Program startup company. Rion’s mission is to develop clinically impactful and accessible therapies using innovative regenerative medicine technologies based on extracellular vesicle science. Our proprietary exosome platform has the ability to address significant unmet patient needs in many fields of medicine; accordingly, we are actively pursuing clinical programs in wound healing, cardiovascular diseases, and women’s health. Our ultimate mission is to deliver cutting edge solutions accessible to any patient in need, anywhere in the world.

Rion recognizes the importance of balance and flexibility in our work environment. We offer a wide variety of competitive benefits, services and programs that provide our employees with the resources to pursue career path their goals, both at work and in their personal lives.

We provide a very competitive compensation package with a unique culture focusing on development and wellbeing of our staff. Below are some of the benefits offered by Rion:

  • Comprehensive benefits package including company equity
  • Health Insurance including PPO or High Deductible Health Plan with Health Savings Account
  • Dental Insurance
  • Vision Insurance
  • Flexible Spending Accounts (FSA)
  • 401K or IRA Retirement Savings
  • Life Insurance options for self, spouse, children
  • Short and Long-Term Disability Insurance
  • Paid Time Off
  • Paid Holidays
  • Parking benefits

Rion is an equal opportunity employer and complies with all applicable federal, state and local fair employment practices laws. Rion strictly prohibits and does not tolerate discrimination against employees, applicants or any other covered persons because of race, color, religion, creed, national origin or ancestry, ethnicity, sex (including pregnancy), gender (including gender nonconformity and status as a transgender or transsexual individual), age, physical or mental disability, citizenship, past, current or prospective service in the uniformed services, genetic information, marital status, AIDS/HIV status, smoker/nonsmoker, and occupational pneumoconiosis or any other characteristic protected under applicable federal, state or local law.

Please send your resume and cover letter to