1

Assistant Operator Jobs in California (NOW HIRING)

Filler Operator Assistant

Los Banos, CA · On-site

$19.27 - $25.05/hr

Learn with other operators the implementation and support MES system. Support and ensure compliance with all programs, policies, and procedures outlined in the Food Safety and Quality Management ...

Learn with other operators the implementation and support MES system. Support and ensure compliance with all programs, policies, and procedures outlined in the Food Safety and Quality Management ...

next page

Showing results 1-20

Assistant Operator information

See California salary details

$10

$19

$30

How much do assistant operator jobs pay per hour?

As of Jul 23, 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 the role of an operations assistant?

An operations assistant supports daily business functions by coordinating tasks, managing schedules, and ensuring smooth workflow. They often handle administrative duties, assist with process improvements, and may operate relevant tools or equipment depending on the industry.

What does an assistant operator do?

An assistant operator supports the main operator in operating machinery or equipment, often handling tasks such as monitoring systems, performing routine maintenance, and ensuring safety protocols are followed. They may also assist with setup, troubleshooting, and documentation, typically requiring knowledge of operational procedures and safety standards.

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.

Why is Gen Z struggling to get jobs?

Gen Z faces challenges in securing jobs like assistant operator roles due to high competition, limited work experience, and evolving skill requirements such as familiarity with digital tools and safety protocols. Employers often seek candidates with relevant certifications or technical skills, which can be less accessible to younger applicants without prior experience.

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.

Which operator job pays the most?

Among operator roles, industrial machine operators and petroleum pump system operators tend to have the highest average salaries, often exceeding $50,000 to $70,000 annually depending on experience and location. Specialized operators with certifications in areas like crane operation or nuclear plant operation can earn higher wages, sometimes over $80,000 per year.

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 are Assistant Operators?

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 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 July 2026, with employment types broken down into 1% As Needed, 74% Full Time, 21% Part Time, 1% Temporary, and 3% 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.
Assistant Machine Operator - 3rd Shift

Assistant Machine Operator - 3rd Shift

Pratt Industries

Lathrop, CA

$17 - $20.50/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 25 days ago


Pratt Industries rating

7.6

Company rating: 7.6 out of 10

Based on 106 frontline employees who took The Breakroom Quiz

35th of 114 rated packaging manufacturers


Job description

POSITION TITLE: Assistant Machine Operator - 3rd Shift

$22.95-$25.50

LOCATION: Lathrop, CA

REPORTS TO: Converting Supervisor

SUMMARY

Responsible for assisting in activities associated with running the machine including setup, operation, cleanup, and recommending improvements to operations.

DUTIES AND RESPONSIBILITIES

  • Set-up print and die cut sections of die cutters in accordance with proper setup techniques.
  • Ensure all bolts on cutting dies are in place and tightly secured.
  • Inspect anilox rolls for damage, before and after each run.
  • Inspect all dies before and after run to ensure that any necessary repairs are made before the next run.
  • Monitor box quality, including, but not limited to loose liner, warp, correct size, and print.
  • Maximize the utilization of equipment by operating the machinery at available capacity and speed.
  • Cross train on other machines.
  • Complete necessary reports in an accurate and timely manner, including but not limited to: Production Data, Machine Operational Status, Safety Data, Quality Data.
  • Turn in maintenance work orders to supervision for needed repairs.
  • Be proactive in the maintenance of equipment.
  • Adheres to production schedule.
  • Makes recommendations for optimizing the schedule to meet cost, quality and service goals.
  • Reports any unusual scheduling issues to Supervisor.
  • Comply with all company policies and procedures, including safety and maintaining good housekeeping.
  • Additional duties may be assigned by management.

EDUCATION and/or EXPERIENCE

  • High school diploma or GED.

Candidates are PREFERRED who offer the following:

  • Prior work experience in the corrugated industry.

LANGUAGE SKILLS

  • Able to read and follow instructions on factory masters.

MATHEMATICAL SKILLS

  • Able to read a tape measure with speed and accuracy.
  • Able to calculate figures and amounts such as percentages, measurement, volume and rate.
  • Able to apply concepts of high school math.

REASONING ABILITY

  • Ability to apply common sense understanding to carry out instructions furnished in written, oral, or graphic form.
  • Ability to deal with problems involving one or more concrete variables in standardized situations.

TECHNICAL SKILLS

The individual must have a working knowledge of the following:

  • Equipment design and capabilities that can be translated into efficient operation.
  • Product layouts and production specifications
  • Product quality specifications
  • Quality standards

CERTIFICATES, LICENSES, REGISTRATIONS

May be required to maintain a current Lift Truck Operator License.

PHYSICAL DEMANDS

  • The physical demands described here are representative of those that must be met by an employee to successfully perform the functions of this job.
  • While performing the duties of this job, the employee is regularly required to stand, walk, and talk or hear.
  • The employee frequently is required to use hands to finger, handle, or feel; reach with hands and arms; and stoop, kneel, crouch, or crawl.
  • The employee is occasionally required to sit.
  • The employee must regularly lift and/or move up to 50 pounds.
  • Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perception, and ability to adjust focus.

WORK ENVIRONMENT

  • The work environment characteristics described here are representative of those an employee encounters while performing the functions of this job.
  • While performing the duties of this job, the employee is regularly exposed to moving mechanical parts.
  • The employee is frequently exposed to wet and/or humid conditions.
  • The employee is occasionally exposed to high, precarious places; fumes or airborne particles; and vibration.
  • The noise level in the work environment is usually loud.

PERFORMANCE MEASUREMENTS

The performance of the employee will be measured as follows:

  • Operating standards - the employee will need to meet or exceed the Operating Standards in the areas of quality, cost, safety, customer satisfaction and productivity.
  • Personal growth - while the company will provide the tools to assist the employee to grow professionally the responsibility for moving forward lies with the individual.
  • Employee relations - through observations the employee will be evaluated regarding his/her behaviors associated with appropriate human interaction, respect and communication.
  • Creativity - this will be evaluated by how active the employee is in participating in advancing the business through new and innovative ideas.

Perks of Pratt?

  • Paid Holidays from DAY ONE
  • Insurance benefits and wellness reimbursement program within ONE MONTH of hire
  • 6 Months: PAID vacation days
  • 401K Vesting
  • Open Door policy
  • Employee assistance program
  • Flexible spending account
  • Health savings account
  • Perfect Attendance Bonus
  • Employee Referral Bonus

Pratt Industries is America's 5th largest paper and packaging company with more than 7,000 highly skilled green collar employees dedicated to the environment and sustainability. Pratt Industries is one of the largest corrugated packaging companies in America, with sophisticated manufacturing facilities in more than twenty states. The company operates several of the most modern, cost effective paper mills in the country, as well as a series of sheet and box plants strategically placed throughout the United States offering a wide range of creative packaging solutions. Pratt Industries is committed to recycling and the environment by harvesting the urban forest.
Pratt Industries offers competitive compensation plans with incentive opportunities, full benefits package including medical, dental, vision, life, disability, AllState, Pre-Paid Legal, and 401(k) with company match, paid vacation, paid holidays, childbearing and parental leave.
Pratt Industries provides equal employment [and affirmative action] opportunities to applicants and employees without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, or disability.


What Pratt Industries employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom