Manufacturing jobs in Ontario
Manufacturing produces goods through labor and machinery. Workers operate equipment, monitor production, and ensure quality. Technical skills and attention to detail are vital.
There are 259 manufacturing jobs in Ontario, CA. These manufacturing jobs salaries between $19.57 to $22.44 per hour.
Job title
Updated Nov 05, 2026
Job title
Ontario, CA
California
Job openings (Ontario)
Machine Operator
Ontario
$21.13
per hour
California
$20.88
per hour
Assembler
Ontario
$18.75
per hour
California
$21.60
per hour
Production Associate
Ontario
$18.47
per hour
California
$19.80
per hour
Production Operator
Ontario
$19.57
per hour
California
$21.01
per hour
Production Lead
Ontario
$22.44
per hour
California
$25.75
per hour
Press Operator
Ontario
$21.62
per hour
California
$23.40
per hour
Job descriptions below are for educational purposes. Please refer to the employer's job description for complete details.
-
Machine Operator
Review job description
Please refer to the employers job description for complete details.
Machine Operators set up, operate, and maintain machinery in manufacturing processes. Technical expertise, mechanical aptitude, and adherence to safety standards are crucial.
Machine Operator jobs take 70 days on average from job posting to starting date. Currently, 2% of job openings are part-time roles.
See jobsAverage pay
Ontario
$21.13 per hourCalifornia
$20.88 per hourSkills
- Manufacturing
- CNC
- Blueprint reading
- CNC programming
- Mechanical knowledge
-
Assembler
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Please refer to the employers job description for complete details.
Assemblers construct product components, follow technical drawings, and ensure quality standards. Proficiency in assembly processes, attention to detail, and tool handling skills are essential.
Assembler jobs take 48 days on average from job posting to starting date. Currently, 2% of job openings are part-time roles.
See jobsAverage pay
Ontario
$18.75 per hourCalifornia
$21.60 per hourSkills
- Assembly
- Manufacturing
- Mechanical knowledge
- Forklift
- Hand tools
-
Production Associate
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Please refer to the employers job description for complete details.
Production associates assist in manufacturing processes, ensuring efficiency and quality. Candidates should possess mechanical skills, the ability to follow instructions and a strong work ethic.
Production Associate jobs take 48 days on average from job posting to starting date. Currently, 9% of job openings are part-time roles.
See jobsAverage pay
Ontario
$18.47 per hourCalifornia
$19.80 per hourSkills
- Manufacturing
- Assembly
- Mechanical knowledge
- Forklift
- Warehouse experience
-
Production Operator
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Please refer to the employers job description for complete details.
Production operators set up and operate equipment, monitoring processes for quality and efficiency. Key skills for this role include mechanical knowledge, attention to detail and teamwork.
Production Operator jobs take 49 days on average from job posting to starting date. Currently, 2% of job openings are part-time roles.
See jobsAverage pay
Ontario
$19.57 per hourCalifornia
$21.01 per hourSkills
- Manufacturing
- Quality control
- CNC
- Production planning
- Oil & gas
-
Production Lead
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Please refer to the employers job description for complete details.
Production leads oversee teams on the shop floor, ensuring targets are met and quality standards upheld. Key skills for this role include leadership, operational expertise and the ability to motivate teams.
Production Lead jobs take 40 days on average from job posting to starting date. Currently, 1% of job openings are part-time roles.
See jobsAverage pay
Ontario
$22.44 per hourCalifornia
$25.75 per hourSkills
- Software troubleshooting
- AWS
- SQL
- Incident management
- Microsoft SQL Server
-
Press Operator
Review job description
Please refer to the employers job description for complete details.
Press operators operate machinery to shape materials through pressure. Key skills for this role include machine operation, a strong attention to detail and adherence to safety protocols.
Press Operator jobs take 96 days on average from job posting to starting date. Currently, 1% of job openings are part-time roles.
See jobsAverage pay
Ontario
$21.62 per hourCalifornia
$23.40 per hourSkills
- Manufacturing
- Blueprint reading
- CNC
- CNC programming
- Mechanical knowledge
Frequently asked questions
How are the job titles and salaries chosen for this page?
Jobs listed on this page highlight the top 10 job titles with the most openings as of updated Nov 05, 2026. Salary estimates are taken from job postings on Indeed in the past 36 months and are updated daily. Please refer to the employer's job description for specific salary information.
How does Machine Operator pay in Ontario compare to the state average?
Machine Operator professionals in Ontario earn an average of $21.13 per hour, compared with the average in California of $20.88 per hour.
How many job openings are currently available in Ontario?
There are 259 open jobs in Ontario. Machine Operator, Assembler and Production Associate are among those with the most openings at the moment.
How many openings are available by job title?
There are numerous job openings across all experience levels, with 88 Machine Operator roles, 62 Assembler roles and 41 Production Associate openings currently listed.