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Assembly Machine Operator Jobs in California (NOW HIRING)

We are immediately hiring skilled machine operators / production setup technicians to run and ... assembly, injection molding, etc.) according to job specifications and procedural guidelines ...

Machine Operator

Pleasanton, CA · On-site

$16 - $21/hr

Perform a combination of assembly, repair, and test operations on pacemakers, implantable ... operating across North America and Asia. As a nationally and locally certified Minority Business ...

Machine Operator

Irvine, CA · On-site

$14 - $19/hr

Perform a combination of assembly, repair, and test operations on pacemakers, implantable ... operating across North America and Asia. As a nationally and locally certified Minority Business ...

Machine Operator

Irvine, CA · On-site

$14.75 - $19.75/hr

Perform a combination of assembly, repair, and test operations on pacemakers, implantable ... operating across North America and Asia. As a nationally and locally certified Minority Business ...

SMT Machine Operator

San Jose, CA · On-site

$21 - $26/hr

Proficient in the set-up and operation of automated SMT assembly equipment including Screen Printer, Pick and Place Machine (Fuji AIMEXII preferred), and Reflow Oven * Ability to interpret IPC-610 ...

Be Seen First

... operating various machinery and tools. Such as Loaders and Bobcats. This role is crucial in ... Demonstrate proficiency in welding techniques when required for assembly or repair tasks.

SMT Machine Operator

San Jose, CA · On-site

$21 - $26/hr

Proficient in the set-up and operation of automated SMT assembly equipment including Screen Printer, Pick and Place Machine (Fuji AIMEXII preferred), and Reflow Oven * Ability to interpret IPC-610 ...

Be Seen First

The Production Machine Operator will safely control various machines and equipment involved in ... Examines equipment, processes, operations, and assembly to determine time or quality revisions and ...

$24 - $28/hr

Position Summary Under general supervision and following established procedures, the Machine Operator I is responsible for performing repetitive assembly operations of a short to medium cycle ...

Machine Operator

Temecula, CA · On-site

$16 - $21/hr

Working under close supervision, may perform a combination of assembly, repair, and test operations ... operating across North America and Asia. As a nationally and locally certified Minority Business ...

Machine Operator

Pleasanton, CA · On-site

$16 - $21/hr

Working under close supervision, may perform a combination of assembly, repair, and test operations ... operating across North America and Asia. As a nationally and locally certified Minority Business ...

$24 - $26/hr

Position Summary Under general supervision and following established procedures, the Machine Operator I is responsible for performing repetitive assembly operations of a short to medium cycle ...

Manufacturing Operator II

Fremont, CA · On-site

$25 - $26.50/hr

Incumbents who operate automatic or semi-automatic machines to perform assembly operations should be matched to Machine Operator (7111-7114). Employees working in technology-related production roles ...

Showing results 41-60

Assembly Machine Operator information

See California salary details

$13

$17

$22

How much do assembly machine operator jobs pay per hour?

As of Aug 23, 2026, the average hourly pay for assembly machine operator in California is $17.77, according to ZipRecruiter salary data. Most workers in this role earn between $15.91 and $19.47 per hour, depending on experience, location, and employer.

What is an assembly machine operator?

Assembly machine operators are skilled workers who set up, operate, and maintain machinery used in the production and assembly of products or components. They ensure machines run efficiently, monitor the quality of produced items, and may perform basic troubleshooting or repairs. These operators often work in manufacturing environments and must follow safety protocols to prevent accidents and maintain product standards. Attention to detail and the ability to work with precision are important qualities for this role.

What are the key skills and qualifications needed to thrive as an assembly machine operator?

To thrive as an Assembly Machine Operator, you need mechanical aptitude, attention to detail, and a high school diploma or equivalent. Familiarity with manufacturing machinery, basic hand tools, and experience with quality control systems or certifications like OSHA safety training are often required. Strong problem-solving skills, teamwork, and the ability to follow instructions precisely help individuals excel in this role. These skills and qualities are essential to ensure efficient, safe, and high-quality production in a manufacturing environment.

What are some common challenges faced by assembly machine operators, and how can they be addressed?

Assembly Machine Operators often encounter challenges such as managing repetitive tasks, maintaining high attention to detail, and troubleshooting minor machine issues. Staying focused and following safety protocols are crucial to avoid mistakes or accidents. Many employers provide on-the-job training and encourage teamwork, which helps operators quickly learn best practices and resolve technical problems efficiently. Regular communication with supervisors and maintenance teams also ensures a smooth workflow and fosters a supportive work environment.

What is the difference between Assembly Machine Operator vs Production Worker?

AspectAssembly Machine OperatorProduction Worker
CredentialsHigh school diploma or equivalent; some roles may require technical trainingHigh school diploma or equivalent; minimal specialized training
Work EnvironmentManufacturing or assembly line, operating machineryGeneral factory or production floor, performing various tasks
Job FocusOperating and monitoring assembly machinesPerforming manual or semi-automated tasks in production

While both roles work in manufacturing settings, Assembly Machine Operators focus on operating specific machinery to assemble products, requiring technical skills and machine knowledge. Production Workers perform broader tasks, often manual, in the manufacturing process. Understanding these differences helps job seekers find roles aligned with their skills and career goals.

What job categories do people searching Assembly Machine Operator jobs in California look for?

The top searched job categories for Assembly Machine Operator jobs in California are:

What are popular job titles related to Assembly Machine Operator jobs in CA?

For Assembly Machine Operator jobs in CA, the most frequently searched job titles are:

Infographic showing various Assembly Machine Operator job openings in California as of August 2026, with employment types broken down into 51% Full Time, 47% Part Time, 1% Contract, and 1% Nights. Highlights an 99% Physical, and 1% Remote job distribution, with an average salary of $36,957 per year, or $17.8 per hour.

Machine Operator - Now Hiring

Randstad

Ontario, CA • On-site

$18 - $21/hr

Full-time

Medical, Dental, Vision, Life, Retirement

Posted 9 days ago


Job description

Salary: $18 - 21 per hour + none
Reference: 1162667-5

Are you a hands-on technical professional who excels at maximizing machine uptime? We are immediately hiring skilled machine operators / production setup technicians to run and maintain high-speed manufacturing lines. This essential role focuses on efficient changeovers, precise setup, and quality production. If you value stability, complexity, and reliable weekly pay, this opportunity is for you.
Your responsibilities:
- Machine setup: efficiently execute setups and tooling changeovers on production machines (e.g., stamping, assembly, injection molding, etc.) according to job specifications and procedural guidelines.
- Operation and monitoring: competently operate production machinery, feeding materials and monitoring machine cycles, speeds, and temperatures to ensure optimal performance.
- Troubleshooting: diagnose and resolve basic machine faults, jams, or process deviations during the production run to minimize downtime.
- Quality control: perform routine in-process inspections using measurement tools (e.g., calipers, gauges) to ensure all components meet established quality standards and tolerances.
- Maintenance support: conduct basic preventative maintenance and machine cleaning to keep equipment running smoothly throughout the shift.

location: Ontario, CA
work hours: Variable

qualifications:
  • up to 50 lbs. (heavy lifting)
skills:
  • Operate manufacturing machinery
  • Bilingual (English & Spanish)

dress code:
Shirts or t-shirts must have sleeves and be without any holes or rips. Pants without any holes or rips. No profane or suggestive texts and images. Closed toe and non slip footwear only.


Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.
At Randstad, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact HRsupport@randstadusa.com.
Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).
This posting is open for thirty (30) days.
Qualified applicants in San Francisco with criminal histories will be considered for employment in accordance with the San Francisco Fair Chance Ordinance.
Qualified applicants with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.
We will consider for employment all qualified Applicants, including those with criminal histories, in a manner consistent with the requirements of applicable state and local laws, including the City of Los Angeles' Fair Chance Initiative for Hiring Ordinance.

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Randstad USA logo

About Randstad USA

Sourced by ZipRecruiter

Our business is supporting business productivity, from matching the right people with great jobs to custom project solutions and consulting. We use innovative technologies and a passion for people to provide you with the best experience possible. We provide outsourcing, staffing, consulting and workforce solutions within the areas of engineering, accounting and finance, healthcare, human resources, IT, legal, life sciences, manufacturing and logistics, office and administration and sales and marketing. We can’t wait to tell you all about it.

Industry

Recruiting and staffing services

Company size

5,001 - 10,000 Employees

Headquarters location

Minneapolis, MN, US