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Assistant Operator Jobs in Rancho Cucamonga, CA (NOW HIRING)

NICB LLC

3rd Shift Corrugator Operator

La Mirada, CA · On-site

$25.55/hr

Train and mentor Assistant Operators and other production employees on safe operating procedures and best practices. * Maintain a clean, organized, and safe work environment in accordance with ...

NICB LLC

3rd Shift Corrugator Operator

La Mirada, CA · On-site

$25.55/hr

Train and mentor Assistant Operators and other production employees on safe operating procedures and best practices. * Maintain a clean, organized, and safe work environment in accordance with ...

Pexco

Operator

Yorba Linda, CA · On-site

$20/hr

The molding Operator will also be responsible for troubleshooting minor machine issues, performing ... Adhere to production schedules, reporting any delays or equipment downtime promptly * Assist with ...

Fairway Staffing Solutions

Forklift Operator

Corona, CA · On-site

$17.50 - $20.75/hr

Forklift Operator The Forklift Operator is responsible for safely operating a variety of powered ... Follow all OSHA and company safety procedures * Assist with general warehouse duties as assigned

Sotera Health

Operator

Corona, CA

$22.50/hr

... * Assist with other tasks as assigned by Supervisor. * SUPERVISION GIVEN: Oversees the work of ... Must complete all required training for an "Operator" outlined in the training manual. All ...

ORANGE CORROSION SERVICES

Crane Operator

Orange, CA · On-site

Crane Operator The main office is in Orange. Work will be in the Long Beach, Carson, and Torrance ... Monitor crane operations to detect any malfunction or unsafe conditions. * Assist with setup ...

RimePro Inc

Header Operator

Whittier, CA · On-site

$35 - $60/hr

Train and assist junior operators or trainees on proper setup, operation, and safety procedures. * Support continuous improvement initiatives related to productivity, quality, and equipment ...

The Coastal Group

Be Seen First

Forklift Operator

Ontario, CA · On-site

$18/hr

Store materials properly to optimize warehouse space and accessibility * Assist in fulfilling ... Forklift Operator Certification * Expertise in forklift operation and inventory management * Strong ...

Complete Quality

Be Seen First

Bendi operator

Riverside, CA · On-site

$19.50/hr

Maintain organized warehouse layout to streamline operations * Assist warehouse team with material ... Forklift operator certification * Strong understanding of forklift operation and safety compliance

Martin Marietta Materials

Equipment Operator

Corona, CA · On-site

$19.50 - $26.75/hr

Operating under moderate supervision, this individual is expected to demonstrate advanced proficiency in material handling, ensure strict compliance with MSHA regulations, and assist in the training ...

Castle Park

Ride Operator

Riverside, CA · On-site

$16.90/hr

The outgoing and safety-oriented Ride Operator will operate and assist with rides located throughout the park. This position involves a lot of guest interaction and a customer service-oriented ...

Castle Park

Ride Operator

Riverside, CA · On-site

$16.90/hr

The outgoing and safety-oriented Ride Operator will operate and assist with rides located throughout the park. This position involves a lot of guest interaction and a customer service-oriented ...

Castle Park

Ride Operator

Riverside, CA · On-site

$16.90/hr

The outgoing and safety-oriented Ride Operator will operate and assist with rides located throughout the park. This position involves a lot of guest interaction and a customer service-oriented ...

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All JobsOperator JobsAssistant Operator JobsAssistant Operator Jobs in Rancho Cucamonga, CA

Assistant Operator information

See Rancho Cucamonga, CA salary details

$11

$20

$31

How much do assistant operator jobs pay per hour?

As of Aug 10, 2026, the average hourly pay for assistant operator in Rancho Cucamonga, CA is $20.25, according to ZipRecruiter salary data. Most workers in this role earn between $15.72 and $22.84 per hour, depending on experience, location, and employer.

What are some common challenges assistant operators face during shift changes, and how can they be managed effectively?

Assistant Operators often encounter challenges during shift changes, such as incomplete handovers or miscommunication about ongoing tasks. To manage these effectively, it’s important to follow standardized handover procedures, maintain accurate and up-to-date logs, and communicate proactively with both outgoing and incoming team members. Building strong teamwork and attention to detail helps ensure a smooth transition and minimizes operational disruptions.

Which assistant operator job pays the most?

The highest-paying assistant operator roles are often found in industries such as oil and gas, manufacturing, or power generation, where specialized skills and certifications like OSHA training or technical licenses are required. Salaries can vary based on experience, location, and industry, with some positions offering higher compensation due to the complexity of equipment or hazardous environments.

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

To thrive as an Assistant Operator, you need a basic understanding of machinery operation, safety protocols, and often a high school diploma or equivalent. Familiarity with industrial equipment, control panels, and sometimes certifications like OSHA safety training are typically required. Attention to detail, reliability, and good teamwork skills help you excel in supporting smooth operations. These skills ensure safe, efficient production processes and help maintain workplace safety and productivity.

What is the difference between Assistant Operator vs Machine Operator?

AspectAssistant OperatorMachine Operator
CredentialsHigh school diploma, on-the-job trainingHigh school diploma, technical certification often preferred
Work EnvironmentAssists in setup, monitoring, and maintenance of machineryOperates machinery directly, responsible for production output
Industry UsageCommon in manufacturing, construction, and industrial plantsPrimarily in manufacturing, processing, and production facilities

Assistant Operators support Machine Operators by preparing equipment and monitoring processes, while Machine Operators handle the direct operation of machinery. Both roles require similar credentials and are vital in industrial settings, but Machine Operators have more responsibility for operating equipment independently.

What is an assistant operator?

Assistant Operators are entry-level professionals who support the operation of machinery or equipment in industries such as manufacturing, energy, or logistics. They work under the supervision of senior operators to help monitor processes, perform basic maintenance, and ensure safety protocols are followed. Their responsibilities may include setting up machines, loading materials, inspecting products, and reporting any issues to supervisors. Assistant Operators play a key role in maintaining efficient production and minimizing downtime. This position is often a stepping stone to more advanced operator roles.
What are the most commonly searched types of Operator jobs in Rancho Cucamonga, CA? The most popular types of Operator jobs in Rancho Cucamonga, CA are:
What cities near Rancho Cucamonga, CA are hiring for Assistant Operator jobs? Cities near Rancho Cucamonga, CA with the most Assistant Operator job openings:
Assistant Operator jobs near you

Assistant Operator 2nd Shift

New-Indy Containerboard

Ontario, CA

$22 - $24/hr

Full-time

Re-posted 22 hours ago

Job description

SUMMARY: Responsible for the set up and operation of machines in designated department.

ESSENTIAL DUTIES AND RESPONSIBILITIES

  • Set up & Operation of various machines
  • Run material through machine according to company specifications
  • Ensure correct materials are used to meet customer specifications.
  • Ensure all inventory entries are complete and accurate.
  • Inspect and maintain quality of product.
  • Responsible for meeting all quality and efficiency standards.
  • Meet all company safety policies and report any concerns related to required maintenance of machines.
  • Assist in two man feeds as necessary.
  • Duties may be expanded upon and additional duties may be assigned.

SKILLS AND QUALIFICATIONS

  • Manufacturing experience in the corrugated industry preferred.
  • Must be 18 years of age.
  • Ability to work a flexible schedule
  • Ability to read a tape measure with speed and accuracy.
  • Ability to work in a fast paced environment.
  • Knowledge equipment design and capabilities that can be translated into efficient operation.
  • Read and interpret product layout and production specifications.

PHYSICAL DEMANDS

    • Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.
    • While performing the duties of this job, the employee is regularly required to stand, walk, sit and use hands to handle or feel.
    • The employee frequently is required to talk or hear.
    • The employee is occasionally required to reach with hands and arms.
    • The employee must regularly lift and/or move up to 50 pounds and occasionally lift and/or move up to 100 pounds.
    • Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perception, and ability to adjust focus.
    • Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

WORK ENVIRONMENT

  • The employee is regularly exposed to moving mechanical parts.
  • Exposure to wet and humid conditions.
  • Exposure to high, precarious places; fumes or airborne particles; and vibration.
  • Noise level in the work environment is usually loud.

CERTIFICATES, LICENSES, REGISTRATIONS

  • This position does not require a certificate, license, or registration.

OTHER DUTIES

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice.

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