Join the best radiopharmaceutical company in the world!

If you’re looking to make an impact while building a meaningful career in a specialized, fast-growing field, NorthStar Medical Radioisotopes is the place to do it. NorthStar Medical Radioisotopes is a growing, commercial-stage company focused on advancing patient care by providing therapeutic radioisotopes and novel radiopharmaceuticals to detect and treat cancer.

At the forefront of NorthStar’s technological innovation is scientific excellence, using first-in-kind electron accelerator technology and integrated campus capabilities to drive progress in radiopharmaceutical manufacturing. Our work is driven by a meaningful mission—advancing life-saving radiopharmaceutical development and ensuring a reliable supply of critical medical isotopes for patients in need. As a rapidly growing organization operating on the cutting edge of science, we offer exceptional career growth and professional development opportunities, supported by world-class facilities and a competitive benefits package.

The Associate Accelerator Operator is responsible for performing routine particle (electron) accelerator equipment operations and maintenance tasks necessary to safely, compliantly and efficiently manufacture bulk radiopharmaceuticals. This position will assist with commissioning and installation of systems and equipment, performing engineering testing, and performing basic and intermediate level maintenance. The individual will be part of the operational success of the radioisotope production process including accelerator startup/shutdown operations and maintenance, target insertion/irradiation/removal, and other routine operations.  All duties and responsibilities will be completed in compliance with applicable regulatory agency standards. 

This position will be part of a shift team that is responsible for responding to abnormal incidents and breakdowns, escalating issues appropriately, and troubleshooting as necessary.

1. Safely, compliantly, and efficiently operate the accelerators and associated systems and equipment, such as hot cells and primary cooling systems.
2. Provide support for operational and testing activities of the accelerator and associated systems.
3. Shadow and assist with the routine maintenance, functional tests, and inspections of accelerators and associated systems and equipment.
4. Execute Standard Operating Procedures, Work Instructions, Forms, and Logs.
5. Assist as needed in performing various aspects of the radiopharmaceutical production process, including pre-production set-up, target assembly, manufacturing processes, and post-production activities.
6. Assist in the accurate and timely preparation and completion of records related to radiopharmaceutical irradiation and production, including Batch Records, Forms, Log Books, etc.
7. Assist to maintain the cleanliness and orderliness of the facility, equipment, and materials, per NorthStar’s respective policies and procedures.
8. Provide front-line troubleshooting of manufacturing equipment and process issues, and escalate manufacturing, safety, and compliance issues observed in a timely and appropriate manner.
9. Perform assigned tasks proactively, collaboratively, and with flexibility ensuring the team can safely, compliantly, and efficiently meet or exceed the needs of the business and customers.

Technical Degree in science, technology or engineering; or equivalent combination of education and experience.  Strong mechanical aptitude is required.  Relevant military experience will also be considered.

Please note the company cannot provide immigration-related sponsorship (including H-1B status, O-1 status, Optional Practical Training support, etc.) for this position.  Each successful applicant will be required to complete the Form I-9, Employment Eligibility Verification, demonstrating both identity and employment authorization, on or before the first day of employment.  Under federal law, only truthful information may be provided on the Form I-9.

This position supports production in a 24-hour manufacturing facility and works a rotating schedule:

Week 1 – Sunday, Tuesday, Wednesday, Thursday

Week 2 – Monday, Friday, Saturday

Day shift is 6:00AM – 6:00PM and Night shift is 6:00PM – 6:00AM.  Evenings, nights, weekends and some holidays will be required with scheduled overtime every other week.

• Medical, dental, and vision insurance
• Healthcare Flex Spending Account (FSA) and Dependent Care FSA
• Company-paid short-term and long-term disability
• Company-paid life insurance & AD&D coverage
• Pet insurance
• 401(k) match
• Paid holidays and paid time off (PTO)
• Paid parental leave
• Bonus plan
• Equity Incentive Program

This role may involve working in a controlled cleanroom environment, general office setting, or specific manufacturing areas. Conditions may include:

• Exposure to varying temperatures, both indoors (heated/air-conditioned spaces) and outdoors
• Noise levels range from quiet to loud, depending on the work area
• Specific vision abilities, including near vision, visual acuity, and color discrimination

Personal Protective Equipment (PPE) is required and may include:

• Respirators, gloves, safety glasses, and full protective clothing
• Compliance with cleanroom gowning protocols (e.g., removal of all jewelry, including piercings)
• Prohibition of cosmetics, fragrances (perfume, aftershave), and nail products, including polish, artificial nails, or extensions

As a radiopharmaceutical manufacturing site, radiation may be present in the laboratory and production areas. Employees in this role may be required to:

• Follow strict radiation safety procedures
• Participate in dosimetry monitoring and bioassay testing as part of the company protocol
• Inform leadership of any health conditions that may affect product integrity, by cleanroom standards

NorthStar Medical Radioisotopes is proud to call Beloit, Wisconsin home. Our headquarters and primary manufacturing facility are located in this vibrant, growing community that combines the charm of a small city with the advantages of a central Midwest location. Beloit features a lively, revitalized downtown filled with local restaurants, shops, and cultural events, and is just a short drive from major metropolitan areas including Madison, Milwaukee, Chicago, and Rockford.

Situated in the heart of the South Central Wisconsin and Northern Illinois region, Beloit offers a rare blend of urban amenities and scenic natural surroundings. Whether you’re drawn to outdoor recreation, educational institutions, the arts, or historic landmarks, the area provides rich and diverse experiences for all interests. A variety of nearby communities, ranging from rural towns to suburban neighborhoods, offer flexible housing options and access to multiple school districts, making Beloit an excellent choice for individuals and families considering relocation.

Please note that this position is eligible for a lump sum relocation benefit!

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.