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Liquid Operator Jobs in Massachusetts (NOW HIRING)

Ajinomoto Cambrooke, Inc.

Operator II

Ayer, MA · On-site

$21.21 - $22.16/hr

... Operator III works daily to support and complete production orders of medical foods and formula ... Responsibilities • Accurately measure, weigh, or blend powder, solid, and liquid ingredients • ...

Ajinomoto Cambrooke, Inc.

Operator II

Ayer, MA · On-site

$19.50 - $25.75/hr

... Operator III works daily to support and complete production orders of medical foods and formula ... liquid ingredients • Ability to use a computer for data entry of production data • Ability to ...

Ajinomoto Cambrooke, Inc.

Operator II

Ayer, MA · On-site

... Operator III works daily to support and complete production orders of medical foods and formula ... Responsibilities Accurately measure, weigh, or blend powder, solid, and liquid ingredients Combines ...

Smith & Wesson Brands, Inc.

CNC Operator

Springfield, MA

$20.50 - $27.75/hr

... liquid chemicals, fine particulate dust, ambient temperatures, and industrial lighting. Work ... Fanuc, Yaznac, Mazak, Okuma), with experience operating Mazak, Mori Seiki, Matsuura, Okuma, Haas ...

Smith & Wesson Brands, Inc.

CNC Operator

Springfield, MA

$20.50 - $27.75/hr

... liquid chemicals, fine particulate dust, ambient temperatures, and industrial lighting. Work ... Fanuc, Yaznac, Mazak, Okuma), with experience operating Mazak, Mori Seiki, Matsuura, Okuma, Haas ...

Qnity

Chemical Operator II

Marlborough, MA · On-site

$20 - $22.75/hr

The position offers overtime hours contingent on business demand. * 4 days on / 4 days off block schedule As a DP Chemical Operator I, you will produce and package batches of liquid lithographic ...

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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.

Liquid Operator jobs near you

Water Treatment Plant Operator

Andover, MA • On-site

Town of Andover, NA
See more jobs at Town of Andover, NAexternal

$70K - $80K/yr

Full-time

Re-posted 13 days ago

Key responsibilities

  • Operate, maintain, and repair equipment and apparatus used in water treatment, pumping stations, storage tanks, and telemetry systems.

  • Collect water samples, perform laboratory analyses, interpret findings, and adjust system operations accordingly.

  • Inspect, troubleshoot, repair, and ensure the proper functioning of water treatment plant supplies and equipment.

Job description

Salary: $70,999.83 - $80,000.15 Annually
Location : Town of Andover, Andover, MA
Job Type: Full Time
Job Number: T26087
Department: DPW - Water Department
Opening Date: 05/05/2026
Closing Date: 9/20/2026 11:59 PM Eastern
Minimum Hours per Week: 40
Description
Under the direction of the Water Treatment Plant Primary Operator or designee, responsible for the operation, maintenance and repair of the Town's water treatment facility, storage tanks and pumping stations in accordance with all State and Federal regulations, standards and procedures.
Responsibilities
Water System Operations:
  • Operate, maintain, and repair a variety of equipment and apparatus used in the water treatment plant, river water pumping station, Bancroft Pumping Station, water storage, and facilities, telemetry systems.
  • During the regular rotation of the WTP Operators, assume the sole responsibility for the securing of the plant and ensuring that the quality of the drinking water is safe and within established quantity and quality standards.
  • Collect or obtain water samples. Perform designated laboratory analyses; interpret findings, and make necessary adjustments to system. Adjust chemical dosages and feed pumps.
  • Operate and maintain backwash filter washing equipment.
  • Monitor gauges, metering equipment and control panel to observe operations and changes. Take corrective action to alleviate problem areas.
  • Make regular inspections and observations of plant operating and process systems.
  • Troubleshoot, repair, and maintain water treatment plant supplies and equipment. Ensure proper hook-ups where applicable.
  • May be required to operate a motorboat to make pond inspections and collect water samples.
  • Ensure facility compliance with applicable safety and health regulations and guidelines.
  • Connect and repair hazardous chemical feed lines including oxygen and ozone.

Wastewater Collection Operations:
  • Respond to emergency situations as required.
  • Operate, maintain, and inspect sewer ejector stations that operate 24 hours per day, 365 days per year.
  • Make regular inspections of pumps, compressors, and controls of wastewater system components.
  • Operate emergency power generators, switchgear, and circuit breakers to maintain system operations.
  • Operate and maintain telemeter lines and signals.

LOX System - Ozone Operations:
  • Operate and maintain the liquid oxygen ozone generator(s) destruct units, cooling water units and nitrogen boost system.
  • Maintain control valves, ozone ambient monitors, ozone residual monitors and liquid oxygen filters and controls.
  • Oversee all chemical deliveries including liquid oxygen.

Qualifications
Skills, Knowledge and Abilities
  • Mechanical ability to perform and oversee technicians level treatment facility maintenance and repair.
  • Skilled technical level knowledge of electrical, plumbing, and chemical functions.
  • Technical level knowledge of wastewater system electrical and mechanical maintenance.
  • Ability to maintain harmonious relations with the general public.
  • Ability to work in confined spaces and follow all State and Federal Regulations.
  • Ability to read water treatment equipment and apparatus.
  • Skill in operation of motor vehicles and motorboat.
  • Familiarity with SCADA system operation.
  • Skill in the operation of treatment facility control panel.
  • Knowledge of basic mathematics and to make required calculations.
  • Knowledge of water treatment system operations.
  • Knowledge of standardized chemical analyses and tests as they pertain to safe drinking water and the disposal of waste water.

Education and Experience
Duties require high school diploma; knowledge of water treatment plant operations and related activities; up to two years of related experience; or any equivalent combination of education and experience. Must possess at least a TC (T3 Operator in Training) license and a valid driver's license. Compensation is commensurate with the level of certification attained.
Supervisory Experience
Requires supervisory decisions to assure the production and delivery of water for consumption, fire protection, and commerce. Must have the knowledge, experience, and ability to operate the entire water treatment plant independentlyand respond to operational issues without direct supervision.
Physical Elements
  • May be subject to all weather conditions and extremes while making inspections.
  • May be exposed to chemicals or other caustic substances.
  • Duties involve continuous walking, standing and or/sitting as well as climbing ladders and stairs to perform maintenance duties and lifting up to 60 pounds on a regular basis.
  • Exercise caution when operating motor vehicle or motorboat.

Supplemental Information
FLSA Status: Non-exempt
Grade: WT-4: TC (T3 OIT) license
WT-5: TD (T4 OIT) license
WT-6: T3 (Full) license
WT-7: T4 (Full) license
Standard Work Week: 40 hours, Tuesday through Saturday
Job Class Code: 7090
Risk Code: 7520
The Town of Andover is an Affirmative Action/Equal Opportunity Employer. Women, minorities, veterans, members of the LGBTQ+ community, and persons with disabilities are encouraged to apply. The Town is committed to advancing its workforce culture of antiracism, diversity, equity, and inclusion.

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