NorthStar Medical Radioisotopes, LLC

Accelerator Physicist

Job Locations US-WI-Beloit | US-WI-Madison
Engineering & Technology
Position Type
Regular Full-Time


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 or Madison, 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 Accelerator Physicist will direct the procurement, installation acceptance testing, improvements, and troubleshooting guidance development of the electron beam accelerator and any future accelerator for commercial production of radioisotopes.  This will also include any design, procurement, quality control, alignment, and commissioning activities of the entire beam line.  The Accelerator Physics will interface with NorthStar Medical Radioisotope product engineering, manufacturing engineering, operations, and facilities and along with third party vendors.


  • Lead equipment commission of accelerators and beam lines for isotope production.
  • Assist in the installation, alignment, and testing of accelerators, beam transport systems, and other related accelerator equipment.
  • Assist with troubleshooting and maintenance of the accelerator systems and other ancillary accelerator equipment.
  • Lead in the development and optimization of the interface between accelerator and target systems.
  • Train Accelerator Operations staff on accelerator operations, tuning and critical machine parameters.


Bachelor’s degree in Physics, Electrical Engineering, or a closely related field and minimum six (6) years’ experience in the development or maintenance of particle accelerator related equipment.  Familiarity with basic accelerator subsystems (vacuum, RF, magnets, etc), proven ability to use commercially available software for simulation of physical processes in particle accelerators, and strong understanding of monitoring, shielding, and safety aspects of work with ionizing radiation is also required.


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.


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.


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