Mechanical Engineer - Particle Accelerator

NorthStar’s mission is to transform the medical radioisotopes industry by becoming a global leader of innovative diagnostic & therapeutic medical radioisotopes. In fulfillment of this mission, NorthStar continues to develop groundbreaking isotope processing methods.

NorthStar is in search of a Mechanical Engineer to assist the development of a particle accelerator based radioisotope processing system. This position will assist senior engineers in the integration of already designed beamline components, such as magnets, vacuum equipment, and targets into one complete mechanical system. The position will also develop an assembly to transfer solid radiological material from one containment system to another. The individual will join the Accelerator team and will contribute to the entire design and development of its ongoing work.

All projects and duties will be completed in compliance with applicable cGMP, FDA, and all other regulatory agencies standards.

ESSENTIAL DUTIES AND RESPONSIBILITIES include the following, other duties may be assigned:

Perform detailed mechanical design and analysis of precision components from a variety of materials and production processes
Create and modify complex product assemblies
Integrate commercial and custom accelerator hardware to further NorthStar’s mission
Work with supporting scientists and engineers at Argonne and Los Alamos National Laboratories currently working on this project under National Nuclear Security Administration (NNSA) funding.
Develop test and production equipment and tooling using SolidWorks software
Deliver engineering solutions in response to development, hardware, manufacturing, and operational needs
Document designs, trials and other work in engineering reports, manages and updates drawings, specifications, and BOM’s through Change Orders
Present designs and project progress to peers and occasionally company leadership
Work collaboratively in cross-functional teams
Ability and willingness to travel up to 5% of the time.


To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.


The level of this position will be set commensurate with experience.

Minimum Requirements

Bachelor’s degree in Mechanical Engineering, or an associated discipline
Experience with SolidWorks tools
Hands on experience in mechanical development including mechanical tolerancing.
Ability and willingness to travel domestically occasionally, including possible visits to Argonne and Los Alamos labs. During install, commissioning, and qualification, daily presence in Beloit will be required.
Demonstrated ability to work within a multidisciplinary team.
Preferable Qualifications

2 or more years’ experience in the mechanical development of mechanical devices in a regulated environment (medical, automotive, aerospace), or equivalent combination of education and experience
Knowledge of particle accelerator technology or radiation mitigation
Experience with medical device design and development and/or FDA/cGMP compliance
Experience with thermal and/or FEA modeling

Proficient knowledge of Microsoft Office software programs including Outlook, Word, and Excel.


Excellent communication skills, verbal and written
Ability to handle multiple tasks simultaneously
Ability to work in a fast-paced environment
Adaptable to change in the work environment
Ability to work in a team environment, as well as independently

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



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