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Senior Reactor Operator Jobs in Wisconsin (NOW HIRING)

Nuclear Engineer

Franklin, WI

$91K - $109K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ... operating plants at sea; balance long term engineering projects with time sensitive fleet and ...

Nuclear Engineer

Merrillan, WI

$94K - $112K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ... operating plants at sea; balance long term engineering projects with time sensitive fleet and ...

Nuclear Engineer

Columbus, WI

$111K - $133K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ... operating plants at sea; balance long term engineering projects with time sensitive fleet and ...

Nuclear Engineer

Waukesha, WI

$98K - $118K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ... operating plants at sea; balance long term engineering projects with time sensitive fleet and ...

Nuclear Engineer

Bellevue, WI

$91K - $109K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ... operating plants at sea; balance long term engineering projects with time sensitive fleet and ...

Nuclear Engineer

Menomonie, WI

$97K - $116K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ... operating plants at sea; balance long term engineering projects with time sensitive fleet and ...

Nuclear Engineer

Iola, WI

$94K - $112K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ... operating plants at sea; balance long term engineering projects with time sensitive fleet and ...

Nuclear Engineer

Janesville, WI

$96K - $116K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ... operating plants at sea; balance long term engineering projects with time sensitive fleet and ...

Nuclear Engineer

Green Bay, WI

$95K - $114K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ... operating plants at sea; balance long term engineering projects with time sensitive fleet and ...

Nuclear Engineer

Lancaster, WI

$87K - $105K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ... operating plants at sea; balance long term engineering projects with time sensitive fleet and ...

Nuclear Engineer

Potosi, WI

$92K - $111K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ... operating plants at sea; balance long term engineering projects with time sensitive fleet and ...

Nuclear Engineer

Waterloo, WI

$95K - $114K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ... operating plants at sea; balance long term engineering projects with time sensitive fleet and ...

Nuclear Engineer

Knapp, WI

$96K - $115K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ... operating plants at sea; balance long term engineering projects with time sensitive fleet and ...

Nuclear Engineer

Marshall, WI

$95K - $113K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ... operating plants at sea; balance long term engineering projects with time sensitive fleet and ...

Nuclear Engineer

Mcfarland, WI

$92K - $110K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ... operating plants at sea; balance long term engineering projects with time sensitive fleet and ...

Nuclear Engineer

Cleveland, WI

$98K - $118K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ... operating plants at sea; balance long term engineering projects with time sensitive fleet and ...

Nuclear Engineer

Luxemburg, WI

$101K - $121K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Key Responsibilities Provide technical direction in areas such as reactor and fluid systems design ... operating plants at sea; balance long term engineering projects with time sensitive fleet and ...

Showing results 21-40

Senior Reactor Operator information

See Wisconsin salary details

$25.2K

$81K

$165K

How much do senior reactor operator jobs pay per year?

As of Aug 13, 2026, the average yearly pay for senior reactor operator in Wisconsin is $81,038.00, according to ZipRecruiter salary data. Most workers in this role earn between $41,900.00 and $104,000.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive in the senior reactor operator position, and why are they important?

To thrive as a Senior Reactor Operator, candidates typically need a strong background in nuclear engineering or a related discipline, hands-on operational experience in nuclear facilities, and a Nuclear Regulatory Commission (NRC) Senior Reactor Operator license. Familiarity with reactor control systems, plant monitoring software, emergency procedures, and simulation training platforms is essential. Excellent decision-making, communication, and leadership skills help operators coordinate effectively and respond to high-pressure situations. These capabilities are crucial for ensuring the safe, compliant, and efficient operation of nuclear reactors.

What is a senior reactor operator?

A Senior Reactor Operator (SRO) is responsible for overseeing the operation of a nuclear reactor, ensuring safety, compliance with regulations, and efficiency in plant operations. They supervise reactor operators, coordinate responses to abnormal conditions, and make critical decisions to maintain safe reactor conditions. SROs must be licensed by the Nuclear Regulatory Commission (NRC) and undergo extensive training. Their role is crucial in maintaining nuclear plant safety and reliability.

How much do senior reactor operators make?

Senior reactor operators typically earn between $80,000 and $130,000 annually, depending on experience, location, and the specific nuclear facility. They are responsible for operating and monitoring nuclear reactors, often requiring certification and extensive training.

What are the typical daily responsibilities of a senior reactor operator?

A Senior Reactor Operator oversees the operation of the nuclear reactor and associated plant systems, ensuring they run safely and efficiently in accordance with strict regulatory standards. This includes monitoring reactor conditions, directing team members during routine operations, conducting safety checks, and responding to operational anomalies or alarms. Senior Reactor Operators also supervise and mentor junior operators, participate in drills and emergency preparedness activities, and maintain detailed operation logs. The role requires continuous vigilance and teamwork to uphold the highest standards of plant safety and performance.

How hard is it to become a senior reactor operator?

Becoming a senior reactor operator requires extensive experience as a licensed reactor operator, typically involving several years of work in nuclear power plants, along with passing rigorous training and certification exams. Candidates must demonstrate strong technical knowledge, leadership skills, and a thorough understanding of plant operations and safety protocols. The process is highly competitive and demanding due to the critical nature of the role.
What are popular job titles related to Senior Reactor Operator jobs in Wisconsin? For Senior Reactor Operator jobs in Wisconsin, the most frequently searched job titles are:
Infographic showing various Senior Reactor Operator job openings in Wisconsin as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $81,038 per year, or $39 per hour.

Senior Accelerator Operator (Days)

NorthStar Medical Radioisotopes

Beloit, WI โ€ข On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 11 days ago


Job description

Overview

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.

Position

The Senior Accelerator Operator will assist in the development of the processes around routine and non-routine particle (electron) accelerator equipment operations and maintenance tasks necessary to safely, compliantly, and efficiently manufacture radiopharmaceuticals. The Senior Accelerator Operator will guide a team in performing routine operations and maintenance. The individual will be required for the operational success of the radioisotope production process, including accelerator startup/shutdown operations and maintenance, target irradiation, and other routine operations. This position will be the point of contact to a shift team that must work independently and with limited supervision. The shift team will be responsible for responding to abnormal incidents and breakdowns, escalating issues appropriately, and troubleshooting as necessary, This position supports production in a 24-hour manufacturing facility and may require evenings, nights, weekends, and some holidays with occasional overtime.

Responsibilities
  • Safely, compliantly, and efficiently operates the accelerators and associated systems and equipment, such as hot cells, primary cooling systems, and development work on filling and packaging lines
  • Provide support for operational and testing activities of the accelerator and associated systems.
  • Give direction and assist with routine maintenance, functional tests, and inspections of accelerators and associated systems, and equipment.
  • Assist the development of production documents, such as Standard Operating Procedures, Work Instructions, Forms, and Logs.
  • Performs various aspects of the radiopharmaceutical irradiation and production process, including pre-production set-up, manufacturing processes, and post-production activities.
Qualifications

Bachelors or Technical qualification in Engineering, Physics is preferred. Three or more years of working in a highly regulated / cGMP environment; or equivalent related experience is required. Experience working with electronics, test equipment, and/or mechanical systems is required. Knowledge of the operation of an accelerator, nuclear reactor, or other radiation producing devices, and experience in radiopharmaceutical production is preferred. Strong mechanical aptitude is required, and some scientific background is ideal.

Please note the company cannot provide immigration-related sponsorship (including H-1B status, O-1 status, Optional Practical Training support, etc.) for this position.ย  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.ย  Under federal law, only truthful information may be provided on the Form I-9.

Shift Information

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

Evenings, nights, weekends and some holidays will be required with scheduled overtime every other week.

Benefits
  • 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
Working Conditions

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
Location

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.

Employment Type: FULL_TIME