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Operator Engineer Jobs in Wisconsin (NOW HIRING)

Leinenkugel's

Refrigeration Operator

Milwaukee, WI · On-site

$40.62/hr

Maintains current 2nd Class licensing, with the National Institute of The Uniform Licensing of Power Engineers -OR- American Society of Power Engineers, Power Plant Operating Engineer 2nd Class, to ...

Molson Coors

Refrigeration Operator

Milwaukee, WI

$40.62/hr

Maintains current 2nd Class licensing, with the National Institute of The Uniform Licensing of Power Engineers -OR- American Society of Power Engineers, Power Plant Operating Engineer 2nd Class, to ...

Molson Coors

Refrigeration Operator

Milwaukee, WI · On-site

$40.62/hr

Maintains current 2nd Class licensing, with the National Institute of The Uniform Licensing of Power Engineers -OR- American Society of Power Engineers, Power Plant Operating Engineer 2nd Class, to ...

Leinenkugel's

Refrigeration Operator

Milwaukee, WI · On-site

$40.62/hr

Maintains current 2nd Class licensing, with the National Institute of The Uniform Licensing of Power Engineers -OR- American Society of Power Engineers, Power Plant Operating Engineer 2nd Class, to ...

Tweet/Garot Mechanical

Boiler Technician

De Pere, WI · On-site

Journeyman-level trade license (steamfitter, pipefitter, or equivalent), where required by jurisdiction; this role performs service, and repair, and does not require a boiler operator/engineer ...

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Showing results 21-40

All JobsOperator Engineer JobsOperator Engineer Jobs in Wisconsin

Operator Engineer information

See Wisconsin salary details

$36.3K

$85.8K

$136.3K

How much do operator engineer jobs pay per year?

As of Sep 5, 2026, the average yearly pay for operator engineer in Wisconsin is $85,824.00, according to ZipRecruiter salary data. Most workers in this role earn between $70,200.00 and $94,900.00 per year, depending on experience, location, and employer.

What is an operator engineer?

Operator Engineers are professionals responsible for operating, maintaining, and troubleshooting complex machinery and systems in industries such as manufacturing, energy, and telecommunications. They ensure that equipment runs efficiently and safely, performing routine inspections and making adjustments as needed. Operator Engineers often work alongside other technical staff to diagnose issues and optimize system performance. Their role is critical in minimizing downtime and ensuring smooth operations within their facilities.

What are the key skills and qualifications needed to thrive as an operator engineer, and why are they important?

To thrive as an Operator Engineer, you need a solid understanding of engineering principles, process operations, and safety protocols, often supported by a relevant engineering degree or technical certification. Familiarity with control systems, SCADA, DCS, and industrial automation software is typically required. Strong problem-solving, attention to detail, and effective communication skills help you excel in monitoring operations and coordinating with teams. These skills are crucial for ensuring efficient, safe, and reliable operation of industrial systems.

What are some common challenges operator engineers face when working with automated systems, and how can they be addressed?

Operator Engineers often encounter challenges such as troubleshooting complex automated equipment, managing unexpected system failures, and ensuring consistent production quality. Addressing these issues typically involves staying updated with the latest technology, maintaining clear communication with maintenance and engineering teams, and following standardized operating procedures. Continuous training and hands-on experience are essential for quickly diagnosing problems and minimizing downtime, making adaptability and teamwork crucial skills in this role.

What is the difference between Operator Engineer vs Maintenance Technician?

AspectOperator EngineerMaintenance Technician
Required CredentialsRelevant certifications, technical training, sometimes an engineering degreeTechnical certifications, trade school diploma, or associate degree
Work EnvironmentIndustrial plants, manufacturing facilities, power plantsFactories, industrial sites, equipment maintenance areas
Employer & Industry UsageManufacturing, energy, utilitiesManufacturing, facilities management, industrial sectors

Operator Engineers and Maintenance Technicians often work in similar industrial environments and require technical certifications. Operator Engineers focus on operating and controlling complex machinery, while Maintenance Technicians specialize in repairing and maintaining equipment. Both roles are essential for smooth plant operations and are frequently searched together by employers and job seekers in industrial sectors.

Do operator engineers need a degree?

Operator engineers typically do not require a college degree but need technical training, certifications, and experience with machinery and systems. Many employers prefer candidates with a high school diploma or equivalent and relevant technical skills, often gained through vocational programs or apprenticeships.

How much do operator engineers make?

Operator engineers in California typically earn an average annual salary between $70,000 and $100,000, depending on experience, certifications, and the industry sector. They often work with heavy machinery, require technical skills, and may need specialized training or licenses.

What are popular job titles related to Operator Engineer jobs in WI?

For Operator Engineer jobs in WI, the most frequently searched job titles are:

Operator Engineer jobs near you
Infographic showing various Operator Engineer job openings in Wisconsin as of August 2026, with employment types broken down into 49% Full Time, 49% Part Time, 1% Contract, and 1% Nights. Highlights an 99% Physical, and 1% Remote job distribution, with an average salary of $85,824 per year, or $41.3 per hour.

Refrigeration Operator

Leinenkugel's

Milwaukee, WI • On-site

$40.62/hr

Other

Re-posted 23 days ago

Job description

Requisition ID: 39589 

Cheers to creating an incredible tomorrow! 

At Molson Coors, we tackle big challenges and defy the status quo.  With a proud legacy of excellence, an incredible portfolio of beer, seltzers, spirits, and non-alcohol brands, and a bold vision for our future... we're on the path to transforming the beverage industry.  That requires remarkable individuals who are curious, tenacious, and never afraid to fail forward. 

We seek, value and respect everyone's unique perspectives and experiences knowing that we are stronger together.  We collaborate as a team and celebrate each other's successes. 

Here's to crafting careers and creating new legacies. 

Crafted Highlights:     

In the role of Refrigeration Operator working in Milwaukee, WI you will be part of the Utilities Asset Care.  You will monitor and controls all refrigeration equipment and systems throughout the Brewery in accordance with the Milwaukee Brewery OSHA Process Safety Program. Answer trouble calls on the Refrigeration Hotline. Maintain and records information in the refrigeration logbook.

This position reports to Sr. Process Leader-Utilities and the pay is $40.62/hour.

This position is a swing shift role, so the position will rotate between first, second, and third shifts on a weekly basis:

1st Shift-              6:30am-2:30pm                Saturday through Friday(Saturday, Sunday, Monday off)

3rd Shift-             10:30pm-6:30am              Tuesday through Monday(Tuesday, Wednesday off)

2nd Shift-            2:30pm-10:30pm              Thursday through Wednesday(Thursday, Friday off)

What You'll Be Brewing:   

 

  • Verbally communicate equipment status at shift change to oncoming relief person.
  • Monitor and controls all HVAC systems throughout the Brewery.
  • Conduct rounds as specified by OSHA PSM Operating Procedure OPS-010.
  • Drain oil from ammonia systems in accordance with Standard Operation Procedures.
  • Pump- out systems and/or equipment as necessary to perform maintenance or repairs to ammonia leaks.
  • To follow all Ammonia Emergency Procedures as prescribed by OSHA PSM Program
  • Perform equipment maintenance and system inspections as identified by the OSHA Process Safety Mechanical Integrity Management Program.
  • Perform miscellaneous maintenance as assigned by MAXIMO work orders and supervisors.
  • Assist the engine room and boiler room operators, as required.
  • Deliver post-chlorinated water and city water samples to lab.
  • Deliver CO2 samples to lab.


Key Ingredients:  

  • You have a high school diploma and are at least 21 years old.  
  • Maintains current permit to operate with the City of Milwaukee
  • Maintains current 2nd Class licensing, with the National Institute of The Uniform Licensing of Power Engineers -OR- American Society of Power Engineers, Power Plant Operating Engineer 2nd Class, to operate of Boilers and Turbines.
  • Walk at length throughout the Brewery everyday
  • Bend, squat, sit, and climb steps
  • Safely move full chemical containers and lift 50-pound bags of salt
  • Lift, push, and or pull 50 pounds properly.
  • Work in a hot and noisy environment and in a cold refrigerated area, including outside areas during winter months
  • You love a challenge. You complete complex projects quickly and adeptly with your understanding of the business priorities
  • You build relationships and collaborate to get to the desired outcome  
  • You take accountability for results - acting with integrity and honoring commitments  
  • You have a thirst for learning - you are always looking for ways to learn and help one another grow  
  • You exhibit our core values

Beverage Bonuses:  

  • We care about our People and Planetand have challenged ourselves with stretch goals aroundourkey priorities. 
  • Wecare about our communities andplay our part to make a difference - from charitable donations to hitting the streets together to build parks,giving back to the community is part of our culture and who we are. 
  • Engagement with a variety of Business Resource Groups, which can provide volunteer opportunities, leadership experience, and networking through the organization. 
  • Ability to grow and develop your career centered around our First Choice Learning opportunities. 
  • Access to cool brand clothing and swag, top eventsand, of course...free beer and beverages 
  • Work within a fast paced and innovative company, meeting passionate colleagues and partners with diverse backgrounds and experiences

Molson Coors is an equal opportunity employer.  We invite applications from candidates of all backgrounds, race, color, religion, sex, national origin, age, disability, veteran status or any other characteristic. If you have a disability and believe you need a reasonable accommodation during the application or recruitment processes, please e-mail jobs@molsoncoors.com.

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