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Senior Machine Operator Jobs in Appleton, WI (NOW HIRING)

Perform shop work using machining and shop equipment (lathes, drills, milling machines, etc) as ... Includes helping develop operator skill sets to a level that allow for asset ownership and care at ...

Communicate project status/metrics to stakeholders and senior leadership * Troubleshoot & provide ... Manufacturing background and knowledge of machine design and operating principles and machine ...

Communicate project status/metrics to stakeholders and senior leadership * Troubleshoot & provide ... Manufacturing background and knowledge of machine design and operating principles and machine ...

Showing results 41-60

Senior Machine Operator information

See Appleton, WI salary details

$24.4K

$78.3K

$159.5K

How much do senior machine operator jobs pay per year?

As of Aug 11, 2026, the average yearly pay for senior machine operator in Appleton, WI is $78,338.00, according to ZipRecruiter salary data. Most workers in this role earn between $40,500.00 and $100,500.00 per year, depending on experience, location, and employer.

What is the difference between Senior Machine Operator vs Machine Operator?

AspectSenior Machine OperatorMachine Operator
CredentialsTypically requires more experience and sometimes certifications in specific machineryBasic machine operation certifications or training
Work EnvironmentOversees complex machinery, may supervise othersOperates machinery under supervision or standard procedures
ResponsibilitiesMaintains, troubleshoots, and optimizes equipment; mentors junior staffPerforms routine machine operation tasks

The main difference between a Senior Machine Operator and a Machine Operator lies in experience, responsibilities, and leadership. Senior Machine Operators handle more complex tasks, oversee equipment, and often mentor others, whereas Machine Operators focus on routine operation. Both roles require relevant certifications, but the senior position demands more expertise and experience.

What opportunities for career advancement are available to senior machine operators within manufacturing organizations?

Senior Machine Operators often have several pathways for career growth, including moving into supervisory or team lead roles, such as Production Supervisor or Shift Manager. Many organizations value the technical expertise and leadership skills developed in this position, making it possible to transition into roles that focus on process improvement, quality assurance, or training new operators. Additionally, pursuing certifications in advanced manufacturing technologies or equipment maintenance can open doors to specialized roles, such as Maintenance Technician or Process Engineer. Demonstrating initiative and strong problem-solving abilities can further increase advancement prospects within the company.

What is a senior machine operator?

Senior Machine Operators are experienced professionals responsible for operating, maintaining, and troubleshooting industrial machinery in manufacturing or production settings. They oversee machine performance, ensure safety standards are met, and may supervise junior operators. Their role often includes setting up machines, performing quality checks, and making adjustments to optimize efficiency and product quality. Senior Machine Operators typically have several years of hands-on experience and a strong understanding of mechanical systems.

What are the key skills and qualifications needed to thrive as a senior machine operator?

To thrive as a Senior Machine Operator, you need advanced mechanical aptitude, experience with manufacturing equipment, and often a high school diploma or equivalent with additional technical training. Familiarity with CNC machines, PLC systems, and safety certifications like OSHA are commonly required. Strong attention to detail, problem-solving abilities, and effective teamwork are crucial soft skills for this role. These competencies ensure efficient production, minimize errors, and maintain a safe and productive work environment.
What are the most commonly searched types of Machine Operator jobs in Appleton, WI? The most popular types of Machine Operator jobs in Appleton, WI are:
What are popular job titles related to Senior Machine Operator jobs in Appleton, WI? For Senior Machine Operator jobs in Appleton, WI, the most frequently searched job titles are:
What job categories do people searching Senior Machine Operator jobs in Appleton, WI look for? The top searched job categories for Senior Machine Operator jobs in Appleton, WI are:
What cities near Appleton, WI are hiring for Senior Machine Operator jobs? Cities near Appleton, WI with the most Senior Machine Operator job openings:
Infographic showing various Senior Machine Operator job openings in Appleton, WI as of August 2026, with employment types broken down into 48% Full Time, 49% Part Time, 2% Contract, and 1% Nights. Highlights an 99% Physical, and 1% Remote job distribution, with an average salary of $78,338 per year, or $37.7 per hour.

Senior Commercial Refrigeration Service Technician

CoolSys

Green Bay, WI • On-site

$35 - $65/hr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 3 days ago


CoolSys rating

8.2

Company rating: 8.2 out of 10

Based on 40 frontline employees who took The Breakroom Quiz

61st of 278 rated repair and maintenance companies


Job description

Overview

WHY COOLSYS?

At CoolSys, we offer more than just a job—we provide stability, growth, and industry-leading benefits for our employees. No wonder Newsweek named CoolSys one of America’s Greatest Workplaces! As a large company serving diverse customers, we invest in our team with:

  • Competitive Compensation: $35.00- $65.00 hr.
  • Sign on Bonus: Up to $7,500.00 DOE
  • Ongoing Education & Training: Access to state-of-the-art facilities and paid online training.
  • Comprehensive Benefits: Medical, Dental, Vision, and Prescription coverage, paid vacation/holidays, and a 401(K) match.
  • Year-Round, Diverse Work: Stay engaged with consistent, interesting projects throughout the year, working across various industries and systems to keep learning and growing.
  • Extra Perks: Quarterly bonus plan, tuition reimbursement, employee discounts on vehicles, hotels, theme parks, pet insurance, and more.

Join us and advance your career while working with top-tier clients in the HVAC and refrigeration industry!


Responsibilities

JOB SUMMARY

This position is responsible to assist in the repair and overhaul equipment, refrigeration, heating and ventilation equipment to ensure customer needs are met efficiently, accurately and on-time.

  • Experience working on refrigeration equipment in convenience stores or supermarkets a strong plus.
  • Familiarity with single systems and rack systems along with previous work on display cases and walk-in boxes is very helpful.
  • Must have a good driving record and be able to work independently.
  • Emergency on-call availability is a basic requirement.
  • Must be able to lift up to 60 lbs. with no assistance and also be able to sit and/or stand for several hours at a time. 
  • Provides service to the customer base by repairing and overhauling equipment, such as compressors, water pumps, air handlers, electrical and mechanical control devices in a safe, efficient and timely manner that exceeds customers’ expectations
  • Provides general repair work on refrigeration, heating and ventilation equipment, such as air conditioning units, evaporative condensers, ice machine equipment, water pumps, gas furnaces, compressors and electric motors in a safe and timely manner.
  • Provides preventative maintenance activities for customers by diagnosing equipment malfunction and any operating deficiency of the mechanical equipment to ensure quality work performance for the customer base.
  • Test malfunctioning systems and components using electrical and/or mechanical skills.
  • Maintain legible corporate and personal records of work history.
  • Provides department support by processing job tickets, work orders to the necessary department in a timely manner.
  • Provides support by picking up, delivering and installing cases.
  • Perform work on minor construction and remodeling projects including startups of new installations.
  • Drives company vehicle in a safe manner.
  • Performs other related duties and projects as assigned by management.

Qualifications
  • High school diploma/GED.
  • EPA certification.
  • Certification from an accredited vocational-technical or trade school is a plus!
  • Minimum 3+ years of commercial refrigeration experience required.
  • Experience working on refrigeration equipment in convenience stores or supermarkets is a strong plus.
  • Familiarity with single systems and rack systems along with previous work on display cases and walk-in boxes is very helpful.
  • Must have a good driving record and be able to work independently.
  • Emergency on-call availability is a basic requirement.
  • Must be able to lift to 60 lbs. with no assistance and also be able to sit and/or stand for several hours at a time.

Join Us

Today, there are 27 different companies that make up the CoolSys family of brandsOur valued employees are at the heart of our continued growth and success. We invite you to be part of that growth! 

Connect with us on Facebook and Twitter 

Coolsys is an EEO/AA Employer. All qualified individuals - Including all ages, colors, disability, ethnicity, family or marital status, gender identity or expression, language, national origin, physical and mental ability, political affiliation, race, religion, sexual orientation, socio-economic status, veteran status, and other characteristics are encouraged to apply.  

Pre-employment background screening (criminal and MVR for driving positions) and drug testing arerequiredfor all positions. Coolsys will consider qualified applicants with criminal histories in a manner consistent with federal law, state law, or local ordinance. 

Sr, senior, Service Tech, refridgeration, HVAC, refrigeration, HVAC-R, HVAC/R, diagnostic, commercial, service, install, mechanical, mechanic, apprentice, AC, field service, chiller, specialist, HVACR, supermarket, rack systems

Qualifications:
  • High school diploma/GED.
  • EPA certification.
  • Certification from an accredited vocational-technical or trade school is a plus!
  • Minimum 3+ years of commercial refrigeration experience required.
  • Experience working on refrigeration equipment in convenience stores or supermarkets is a strong plus.
  • Familiarity with single systems and rack systems along with previous work on display cases and walk-in boxes is very helpful.
  • Must have a good driving record and be able to work independently.
  • Emergency on-call availability is a basic requirement.
  • Must be able to lift to 60 lbs. with no assistance and also be able to sit and/or stand for several hours at a time.
Education:UNAVAILABLEEmployment Type: FULL_TIME

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