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Assistant Operator Jobs in California (NOW HIRING)

1. Job Overview A Press Assistant will assist the Press Operator in the set up and operation of the Press machine to produce quality production in a safe and timely manner for lamination and ...

1. Job Overview A Press Assistant will assist the Press Operator in the set up and operation of the Press machine to produce quality production in a safe and timely manner for lamination and ...

Preset Operator

Milpitas, CA · On-site

$25.42/hr

Some of the duties of this position include, but are not limited to: ensuring that all tooling for the machine is on hand, assisting the machine operator and assistant operator with setups and jam ...

Preset Operator

Milpitas, CA · On-site

$25.42/hr

Some of the duties of this position include, but are not limited to: ensuring that all tooling for the machine is on hand, assisting the machine operator and assistant operator with setups and jam ...

Preset Operator

Milpitas, CA · On-site

$25.42/hr

Some of the duties of this position include, but are not limited to: ensuring that all tooling for the machine is on hand, assisting the machine operator and assistant operator with setups and jam ...

Finishing Operator

Sonoma, CA · On-site

$19 - $23/hr

... Assist operators with make ready and wash ups . • Communicates effectively with all manufacturing personnel. • Complete reports and enter data on jobs to provide accurate documentation of time ...

Operator

Ontario, CA

$18 - $24.25/hr

Oversees the work of Process Assistant Operators Qualifications * High School Diploma or GED. * Minimum of six (6) months to one (1) year of experience working in a sterilization environment desired.

New

Davenport Machine Operator 1 - 1st Shift

Torrance, CA · On-site

$17.75 - $21.75/hr

Performs Statistical Process Control (SPC) assessments to assist operators in performing and reacting to the SPC data that is collected. Assist in changing machine settings or tooling to insure ...

Batch Operator Assistant

Los Banos, CA · On-site

$20.41 - $27.56/hr

Description Employee will follow approved training matrix and direction of Batch Operator I and II to become knowledgeable in the batch assistant position. Employee will assist the batcher in the ...

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Assistant Operator information

See California salary details

$10

$19

$30

How much do assistant operator jobs pay per hour?

As of Aug 24, 2026, the average hourly pay for assistant operator in California is $19.56, according to ZipRecruiter salary data. Most workers in this role earn between $15.19 and $22.07 per hour, depending on experience, location, and employer.

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 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 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.

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.

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 significantly higher compensation due to the complexity and risk involved.

What are the most commonly searched types of Operator jobs in California?

The most popular types of Operator jobs in California are:

What cities in California are hiring for Assistant Operator jobs?

Cities in California with the most Assistant Operator job openings:

Infographic showing various Assistant Operator job openings in California as of August 2026, with employment types broken down into 2% As Needed, 79% Full Time, 16% Part Time, 1% Temporary, and 2% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $40,682 per year, or $19.6 per hour.

Press Assistant Operator

Yuba City, CA

$20.50/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 7 days ago


Job description

Job Description

1. Job Overview
A Press Assistant will assist the Press Operator in the set up and operation of the Press machine to
produce quality production in a safe and timely manner for lamination and finishing departments.
The Press Assistants main tasks include servicing all removable components of presses (cylinders,
gears, anilox, heads, pans, etc.) and assist the mounting department with cleaning, stripping and
prepping plates.

2. Job Dimensions
Support Operations in the Press Department.
Assist with plate prepping and cylinder sleeving.
Housekeeping in press, prepress, and ink waste areas.
Accurately measuring and recording anilox volumes after cleaning.
Drain and clean ink pots and press components.

3. Principal Accountabilities
Able to understand and make accurate measurements.
Understands and completes all paperwork related to operations.
Labels and palletizes finished rolls.
Acquire and stock all necessary operating supplies and materials for the press equipment.
Assist the Press Operator with set ups, paperwork, and operation of equipment.
Will train under Press Operator. Efficient operation of Press equipment, safety, quality and
operation processes.
Identify quality defects.
Apply knowledge of Work Order specifications.
Assists with the take down and set up of jobs.
Cleans plates and cylinders, washes up decks, and sumps, cleaning of anilox rollers.
Refills and maintains ink supply and testing ink viscosity.
Responsible for all press material at machine; film, inks, and plates
Completes tasks and helps produce quality product in a timely manner.
Prepare anilox rollers for cleaning, loading anilox into the cleaning unit, operate the cleaning
equipment, removal of anilox rollers, and completing inspection reports.
Staging press components. Assembling carts with the required parts for upcoming jobs on
each of the presses
Cleaning ink kits and various parts form the plant.
Reassembly of the equipment for the press department. Staging of equipment on racks press
side for upcoming jobs.
Breakdown press equipment for wash tank. Disassemble components from the press to be
put into the wash up tank for cleaning.
Complete other duties as assigned by Shift Supervisor.

4. Major challenges & complexities
Visually inspects food contact paths during preventative maintenance to ensure no visible contamination is evident. Contact supervisor if contamination is suspected. Punctuality and adherence to the company attendance policy are essential Managing time and effort to safely meet the demands for quality product.

5. Relationships Internal External Operations Quality Management Team

6. Qualifications/Requirements

6.1 Formal Qualifications and Experience Knowledge and Experience 1 year working in a manufacturing environment preferred. Basic computer skills. Education and Certifications High School Diploma or equivalent

6.2 Knowledge/Skills/Abilities/Behaviours Job Specific skills and abilities Must be detail conscious, quality control and safe production oriented.

Pay Transparency Statement - Compensation

The starting salary for this position is expected to be $20.50 per hour; however, base pay offered may vary within the full salary range ($[minimum] to $[maximum]) depending on job-related knowledge, skills, and experience. Base pay information is based on national averages, and a geographic differential may be applied based on work location.

Benefits Overview Statement

When you join Amcor, you will have access to a comprehensive benefits and compensation package that includes:

Medical, dental and vision plans
Flexible time off, starting at 80 hours paid time per year for full-time salaried employees
Company-paid holidays may be slightly higher by location
Wellbeing program & Employee Assistance Program
Health Savings Account/Flexible Spending Account
Life insurance, AD&D, short-term & long-term disability, and voluntary accident disability benefits are available
Retirement Savings Plan with company match
Tuition Reimbursement (dependent upon approval)
Discretionary annual bonus program (initial eligibility dependent upon hire date)
OurExpectations

We expect our people to be guided by The Amcor Way and demonstrate our Values every day to enable the business to win. We are winning when:

  • Our people are engaged and developing as part of a high-performing Amcor team
  • Our customers grow and prosper from Amcor's quality, service, and innovation
  • Our investors benefit from Amcor's consistent growth and superior returns
  • The environment is better off because of Amcor's leadership and products
Accelerate the possible by joining a winning Amcor team that's transforming the packaging industry and improving lives around the world.

At Amcor, we unpack possibility through our innovative and responsible packaging to provide solutions that benefit our customers, our people and our planet. More than 10,000 consumers worldwide encounter our products every second and rely on us for safe access to food, medicine and other goods. We value their trust by making safety our guiding principle. It's our core value and integral to how we do business.


Beyond this core principle, our shared values and behaviors unite us as we work together to elevate customers, shape lives and protect the future. We champion our customers and help them succeed. We play to win - adapting quickly in an everchanging world - and make smart choices to safeguard our business, our communities and the people we serve for generations to come. And we invest in our world-class team, empowering our colleagues to unpack their potential, because we believe when our people grow, so does our business.


To learn more about playing for Team Amcor, visitwww.amcor.comILinkedInIGlassdoorIFacebook IYouTube

Equal Opportunity Employer/Minorities/Females/Disabled/Veterans/Sexual Orientation/Gender Identity

Amcor is an Equal Opportunity Employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status, or any other characteristic protected by law.

If you would like more information about your EEO rights as an applicant under the law, please click on the "Know Your Rights: Workplace Discrimination is Illegal" Poster. If, because of a medical condition or disability, you need a reasonable accommodation for any part of the employment process, please call 224-313-7000 and let us know the nature of your request and your contact information.

E-Verify

We verify the identity and employment authorization of individuals hired for employment in the United States.

Benefits

When you join Amcor, you will have access to a comprehensive benefits and compensation package that includes:

  • Medical, dental and vision plans

  • Paid time off, starting at 40 hours per year for full-time hourly employees, may vary by location

  • Company-paid holidays starting at 8 days per year and may vary by location

  • Wellbeing programs & Employee Assistance Program

  • Health Savings Account/Flexible Spending Account

  • Life insurance, AD&D, short-term & long-term disability, and voluntary benefits

  • Paid Parental Leave

  • Retirement Savings Plan with company match

  • Tuition Reimbursement (dependent upon approval)

  • Discretionary bonus program (initial eligibility dependent upon hire date)