Process Chemist

Are you looking to be part of a game-changing organization that is helping thousands of patients across the country every day? NorthStar Medical Radioisotopes is seeking individuals with a pro-active, collaborative, can-do mindset to join our rapidly growing team in Beloit, WI.

NorthStar develops, manufactures, and distributes radioisotopes used daily for patients needing medically important diagnostic imaging tests.  Using novel and advanced technologies, NorthStar will scale-up production over the coming months and years and intends to become the industry’s market leader.

Innovative technology, opportunities for career advancement, and competitive compensation are just the beginning. NorthStar offers health and life insurance, 401K match, paid holidays, and paid time off, and all NorthStar employees are eligible on day one for our annual bonus and equity incentive plans.


The Process Chemist is responsible for developing and scaling up chemical processes and recommending equipment for the commercial production of NorthStar products. They will work in laboratories and production facilities to develop and test chemical production processes.  Processes will include having to work with radioactive materials. Testing may include the development of test methods and working with analytical instruments as required.

Duties and Responsibilities

  • Develop and/or scale-up chemical processes including liquid/liquid extraction, dissolution, precipitation, extraction chromatography, polymerization and other processes.
  • Operate laboratory and commercial scale equipment; perform chemical analysis on samples, both radioactive and non-radioactive.
  • Maintain laboratory notebook in accordance with Good Documentation Practices.
  • Plan and conduct testing to generate data in support of product development.
  • Write test plans, reports and other related documents.


Bachelor’s degree in Chemistry, Chemical Engineering or related physical science/engineering and up to 2 years of experience required; or equivalent combination of education and experience. Knowledge and skill in operation of scientific equipment is required. Knowledge of Product Development Life Cycle ranging from product specification and concept development to product release is desired.  Knowledge of FDA regulations in medical device/pharmaceutical environments, Product Development Life Cycle, and experience with radioactive processing is preferred.


NorthStar Medical Radioisotopes is headquartered in Beloit, Wis. This location is our primary manufacturing site and accommodates all of our corporate functions. Beloit has small city charm, with a lively and renovated downtown, yet is also close to cities such as Madison, Milwaukee, Chicago, and Rockford.

Beloit is a part of the larger South Central Wisconsin/Northern Illinois region, which offers residents and visitors alike a unique blend of urban opportunities and rural, natural beauty. The area, therefore, offers collections of natural, educational, artistic, and historical attractions alongside a wide variety of sporting and social opportunities. There are several cities and many towns within a reasonable commute of Beloit, which offer a wide choice of residential styles and a large number of school district choices for those considering relocation.

If you are interested in applying for this position, please forward your resume to [email protected] with the position title in the subject line.

NorthStar Medical Radioisotopes is an equal opportunity employer. Employment decisions are made without regard to race, color, religion, national or ethnic origin, sex, sexual orientation, gender identity or expression, age disability, protected veteran status or other characteristics protected by law.

Process Chemist – 1800 Gateway Blvd. Beloit, WI 53511