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Liquid Operator Jobs in Wisconsin (NOW HIRING)

Vinegar Processor Operator

Green Bay, WI · On-site

$18.50 - $23.25/hr

The Vinegar Processor Operator I is responsible for producing and moving liquid mixes in a safe and sanitary manner utilizing pumps, hoses, piping, etc. to meet production and shipping schedules. The ...

Vinegar Processor Operator

Green Bay, WI · On-site

$18.50 - $23.25/hr

The Vinegar Processor Operator I is responsible for producing and moving liquid mixes in a safe and sanitary manner utilizing pumps, hoses, piping, etc. to meet production and shipping schedules. The ...

WI · On-site

Experience in the natural gas or liquid pipeline industry * 1+ year of experience working with inspections, installation, and repairs of pipelines * 1+ year of experience operating pipelines and/or ...

At DreamPak, we aspire to bring liquid food and beverage innovations to the market and make ... Due to growth, it has created a need for a 1st Shift Packaging Operator position. The shift is 5:00 ...

At DreamPak, we aspire to bring liquid food and beverage innovations to the market and make ... Due to growth, it has created a need for a 2nd Shift Packaging Operator position. The shift is 2:15 ...

Forklift Operator I

Appleton, WI · On-site

$16.25 - $19/hr

... liquid product). Qualification requirements: High School diploma or equivalent, Good math, language and reading skills; basic computer skills may be required. High degree of attention required to ...

Forklift Operator Location: Appleton, WI 54911 United States Duration: 0-10+ months Shift: M-F 7 am ... Filling, labeling, and packaging totes and pallets of drums (liquid product). Qualification ...

Operator

Milwaukee, WI · On-site

$17.25 - $22.75/hr

Summary Operators are responsible for monitoring and maintaining liquid tanks, filtering, transferring, and adjustments of liquids, manufacturing of batches, filling of finished product containers ...

Showing results 21-40

Liquid Operator information

What is a liquid operator?

Liquid Operators are professionals responsible for managing the transfer, storage, mixing, and processing of liquids in industries such as chemical manufacturing, food and beverage, oil and gas, or water treatment. They operate and monitor equipment like pumps, valves, tanks, and pipelines to ensure safe and efficient handling of various liquids. Their duties often include taking readings, performing quality checks, following safety protocols, and troubleshooting equipment issues. Liquid Operators play a crucial role in maintaining smooth production processes and preventing spills or contamination.

What does a liquid operator do?

A typical shift for a Liquid Operator involves monitoring and controlling the flow and quality of liquids through production, blending, or bottling processes. Operators frequently check gauges, operate pumps and valves, and take samples to ensure compliance with safety and quality standards. Collaboration is key—they regularly coordinate with quality control, maintenance, and production staff to address issues and optimize workflow. Communication and teamwork are essential for troubleshooting and maintaining smooth operations.

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

To thrive as a Liquid Operator, you need a solid understanding of fluid handling, basic mechanical aptitude, and often a high school diploma or equivalent. Familiarity with pumps, valves, flow meters, and safety protocols, as well as certifications like OSHA or HAZMAT, are typically required. Attention to detail, problem-solving skills, and effective communication help operators manage processes safely and efficiently. These skills ensure the safe, precise, and reliable transfer and processing of liquids in industrial settings.

What is the difference between Liquid Operator vs Pump Operator?

AspectLiquid OperatorPump Operator
CredentialsHigh school diploma, safety training, sometimes technical certificationsHigh school diploma, safety training, sometimes technical certifications
Work EnvironmentRefineries, chemical plants, oil & gas facilitiesRefineries, chemical plants, oil & gas facilities
Industry UsageCommonly used in liquid processing and handlingCommonly used in fluid transfer and pumping systems
Job FocusMonitoring and controlling liquid flow, quality, and safetyOperating and maintaining pumps, ensuring proper flow and pressure

Both Liquid Operators and Pump Operators work in similar environments and require comparable certifications. However, Liquid Operators focus more on managing liquid processes and safety, while Pump Operators specialize in operating and maintaining pumping equipment. Understanding these differences helps in choosing the right career path or job search focus within the industry.

Infographic showing various Liquid Operator job openings in Wisconsin as of September 2026, with employment types broken down into 82% Full Time, 6% Temporary, 6% Contract, and 6% Nights. Highlights an 100% In-person job distribution.

Field Service Technician - Liquid Technologies

Somerset, WI • On-site

$31 - $45/hr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 3 hours ago


Job description

Responsibilities / Tasks

GEA Group, founded in Germany in 1881, is a global leader in engineering solutions, serving industries such as food and beverage, pharma, dairy, and more. With over 18,000 employees worldwide and a strong U.S. presence since 1929, GEA combines the heritage of a well-established company with the innovation of a forward-thinking industry leader. At GEA, we’re not just building equipment, we’re building lasting careers with an average employee tenure range from 8 + years, reflecting the strong culture, growth opportunities, and support we provide.

  • Start strong – Medical, dental, and vision coverage begins on your first day
  • Recharge and refresh – Enjoy 12 paid holidays, including a flexible floating holiday, and 136 hours of PTO to relax or explore
  • Invest in your future – A 7% 401(k) employer match helps grow your retirement savings faster
  • Keep learning – Take advantage of tuition reimbursement to further your education or skillset
  • Live well – Our wellness incentive program rewards healthy habits
  • Get support when you need it – Access to a confidential Employee Assistance Program for personal or professional guidance
  • Save smart – Flexible Health Savings and Spending Accounts to manage out-of-pocket expenses

The typical base pay range for this position at the start of employment is expected to be between $31 - $45 per hour.  GEA Group has different base pay ranges for different work locations within the United States.

The pay range is not guaranteed compensation or salary.  The estimated range is the budgeted amount for the position. Final offers are based on various factors, including skill set, experience, location, qualifications, and other job-related reasons.  You may be eligible for additional rewards, such as a discretionary bonus (based on eligibility) and/or equity awards.

As a Field Service Technician, you will assist with the installation and commissioning of liquid processing and food projects, providing on-site and remote troubleshooting. You will support Service Sales and Customer Service Representatives with service agreements, spare parts, upgrades, and process optimization. With expertise in industry-specific equipment, you’ll help design and estimate service projects, ensure accurate reporting, and maintain customer relationships. Travel up to 75% is required, along with a valid driver’s license.

  • Assist with installation and/or commissioning and decommissioning of new liquid processing and new food projects.
  • Support customers both remote and on site with troubleshooting mechanical and process issues.
  • Support Service Sales, and CSR’s for quoting and execution of SLA’s, Emergency Service, Spare Parts, Upgrade and Modernization, etc.
  • Specification of process equipment including size and materials of construction.
  • Assist with designing, estimating, and executing service projects as necessary.
  • Solid understanding of Heat, Process Flow, Mass Balance, Instrumentation, and Production Diagrams.
  • Solid understanding of technical process and equipment design within the food industry such as (UHT / Pasteurization Systems, Aseptic Process, Valves, Pumps, Deaerators, Heat Exchangers, etc).
  • Support customers in process optimization and product quality improvements.
  • Write clear and thorough service tickets, start-up reports, inspection reports, customer visit reports within 10 days of completion of work for internal and external use.
  • Submits all time sheets, expense reports (within 30 days), and other required paperwork within the required timeframe.
  • Recommend parts for future service visits, customer inventory, and available upgrades and optimizations.
  • Meets with customer at site to go over the nature of the service visit prior to beginning work. 
  • Meets with customer at site to review work completed and discuss any next steps. 
  • Provide accurate estimates of labor times to complete service visits / rebuilds.
  • Provide simple operator training to customers for proper operation, preventive maintenance.
  • Assist with recommendations for improved tools, procedures, etc for the service operations.
  • Adheres to OSHA, company safety policies, procedural guidelines and works in a consistently safe manner.
  • Must have a valid driver’s license.
  • Ability to travel up to 75%.
  • Performs other duties as assigned.

Your Profile / Qualifications

Education & Skills: 

  • High school diploma or equivalent required.

  • 5+ years’ experience in a similar position to include Rockwell PLC and HMI experience.
  • Liquid Processing, UHT and aseptic experience preferred.
  • Ability to read and understand instruction manuals, P&IDs, assembly drawings, PLC and HMI code, troubleshoot software, electrical, and mechanical problems.
  • Skilled with hand and power tools for installing and servicing automated machinery.
  • Proficient with Microsoft products including Word, Excel, Outlook, etc.
  • Fluent in English both verbally and written.
  • Able to work independently with minimal supervision but also work as part of a team.

#engineeringforabetterworld

GEA Group is committed to fostering an inclusive work environment where all clients and employees feel welcomed, accepted and valued. We are an Equal Opportunity Employer and do not discriminate against any employee or applicant for employment because of race, color, sex, age, national origin, religion, sexual orientation, gender identity, status as a veteran, and basis of disability or any other federal, state or local protected class.

This position is based in the United States and does not offer visa or work sponsorship. Applicants must be authorized to work in the U.S. without current or future sponsorship.

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