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Blow Molding Machine Operator Jobs in Riverside, CA

Summary Responsible for maintaining all injection molding machines tools, auxiliary mold equipment ... Help with internal tooling * Assist production as a set-up mechanic or machine operator/grinder as ...

Tool Maker

Beaumont, CA · On-site

$29 - $32/hr

Summary Responsible for maintaining all injection molding machines tools, auxiliary mold equipment ... Help with internal tooling * Assist production as a set-up mechanic or machine operator/grinder as ...

The press operator - injection sets up and operates injection molding presses to convert uncured strips of rubber into cured parts. This role will be for 2nd shift production. Primary ...

The press operator - injection sets up and operates injection molding presses to convert uncured strips of rubber into cured parts. This role will be for 2nd shift production. Primary ...

The ideal candidate will possess strong toolmaking skills and hands-on experience operating manual and CNC machine tools to produce and repair mold components to precise specifications. Essential ...

Mold Maker

Santa Ana, CA · On-site

$45 - $48/hr

The ideal candidate will possess strong toolmaking skills and hands-on experience operating manual and CNC machine tools to produce and repair mold components to precise specifications. Essential ...

Rubber Press Operator

Anaheim, CA · On-site

$21 - $22/hr

SUMMARYThe Rubber Press personnel will help with reading and understanding detailed instructions on how to run machinery that pertains to Rubber & or Fabric Seal Molding. ESSENTIAL DUTIES AND ...

Rubber Press Operator

Anaheim, CA · On-site

$21 - $22/hr

SUMMARY The Rubber Press personnel will help with reading and understanding detailed instructions on how to run machinery that pertains to Rubber & or Fabric Seal Molding. ESSENTIAL DUTIES AND ...

Rubber Press Operator

Anaheim, CA · On-site

$17.25 - $22.50/hr

SUMMARY The Rubber Press personnel will help with reading and understanding detailed instructions on how to run machinery that pertains to Rubber & or Fabric Seal Molding. ESSENTIAL DUTIES AND ...

Become part of our great team as a Press Operator - Injection. Primary Responsibilities * Follows ... Molds parts using an injection molding press * Changes molding conditions if required * Returns ...

Rubber Press Operator - 2nd Shift

Anaheim, CA · On-site

$17.25 - $22.50/hr

SUMMARY The Rubber Press personnel will help with reading and understanding detailed instructions on how to run machinery that pertains to Rubber & or Fabric Seal Molding. ESSENTIAL DUTIES AND ...

Experience operating or supporting CNC machining equipment. * Background in manufacturing processes such as machining, injection molding, extrusion, and stamping. * Experience supporting medical ...

Experience operating or supporting CNC machining equipment. * Background in manufacturing processes such as machining, injection molding, extrusion, and stamping. * Experience supporting medical ...

Experience operating or supporting CNC machining equipment. * Background in manufacturing processes such as machining, injection molding, extrusion, and stamping. * Experience supporting medical ...

Showing results 41-60

Blow Molding Machine Operator information

See Riverside, CA salary details

$14

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$25

How much do blow molding machine operator jobs pay per hour?

As of Aug 15, 2026, the average hourly pay for blow molding machine operator in Riverside, CA is $20.36, according to ZipRecruiter salary data. Most workers in this role earn between $18.32 and $22.55 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a blow molding machine operator?

To thrive as a Blow Molding Machine Operator, you need mechanical aptitude, attention to detail, and a high school diploma or equivalent, often with prior experience in manufacturing. Familiarity with blow molding machinery, quality control tools, and safety protocols is essential, with some positions preferring certifications in machine operation or industrial safety. Strong problem-solving, teamwork, and communication skills help operators quickly address production issues and collaborate with colleagues. These skills ensure efficient machine operation, product quality, and a safe work environment in a fast-paced manufacturing setting.

What is the difference between Blow Molding Machine Operator vs Plastic Fabricator?

AspectBlow Molding Machine OperatorPlastic Fabricator
CredentialsHigh school diploma, on-the-job trainingHigh school diploma, technical training or certification
Work EnvironmentManufacturing plant, operating machineryWorkshop or factory, working with various plastic materials
Industry UsagePlastic bottle and container manufacturingCustom plastic parts, prototypes, and product fabrication

The main difference is that Blow Molding Machine Operators focus on operating machinery to produce hollow plastic items like bottles, while Plastic Fabricators work on shaping and assembling plastic parts. Both roles require knowledge of plastics and safety procedures, but their tasks and end products differ significantly.

What does a blow molding machine operator do?

A Blow Molding Machine Operator is responsible for setting up, operating, and monitoring machines that mold plastic or glass containers, such as bottles and jars. They ensure the machines run efficiently, maintain product quality, and troubleshoot issues during production. Operators also perform quality checks, adjust machine settings, and maintain safety and cleanliness in the work area. This role is crucial in manufacturing industries that produce packaging materials.

What are some common challenges faced by blow molding machine operators, and how can they be effectively managed?

Blow Molding Machine Operators often encounter challenges such as machine malfunctions, maintaining consistent product quality, and minimizing downtime during production runs. To manage these, operators should stay vigilant during machine setup and operation, conduct regular equipment inspections, and promptly troubleshoot any issues that arise. Collaborating closely with maintenance teams and following established safety protocols also helps ensure smooth workflow and high-quality output. Continuous learning and adapting to new technologies in blow molding can further enhance performance and job satisfaction.

What job categories do people searching Blow Molding Machine Operator jobs in Riverside, CA look for?

The top searched job categories for Blow Molding Machine Operator jobs in Riverside, CA are:

What cities near Riverside, CA are hiring for Blow Molding Machine Operator jobs?

Cities near Riverside, CA with the most Blow Molding Machine Operator job openings:

Infographic showing various Blow Molding Machine Operator job openings in Riverside, CA as of August 2026, with employment types broken down into 46% Full Time, 52% Part Time, 1% Contract, and 1% Nights. Highlights an 99% Physical, and 1% Remote job distribution, with an average salary of $42,359 per year, or $20.4 per hour.

Cleanroom Maintenance Technician II (3rd Shift 11:00pm-7:30am)

Comar Engineering Services

Rancho Cucamonga, CA • On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 9 days ago


Job description

MAINTENANCE TECHNICIAN II (3rd Shift 11:00pm-7:30am)

Actively Hiring – Immediate Openings

Hours: full-time position.

Competitive pay & benefits: paid overtime, health, dental, vision, paid time off, 401k with match…and more!

WHAT YOU WILL DO:

“Quality & Safety are Top Comar Priorities”

  • Keep Production, HVAC, facility equipment and infrastructure in good working order. 
  • Detect and correct errors before the machine, or the products it produces, are damaged. 
  • Be able to effectively operate equipment as required.
  • May be required to take the equipment apart to repair or replace the necessary parts. 
  • Expected to have electrical, electronics, hydraulics and pneumatics to repair sophisticated equipment. 
  • Once a repair is made, test the machine to ensure that it is running correctly and smoothly. 
  • Perform tear downs, rebuilds and preventive maintenance.
  • Participate in development and training maintenance technician I employees. 
  • Work a flexible schedule, including overtime, as needed based on production demands.
  • Maintain a clean and safe work environment.
  • Adhere to and communicate to others the Health, Safety and Quality policies, including use of PPE.
  • Other duties as assigned.

Additional Responsibilities & Skills for our SQF Certified Sites: 

  • Have a basic understanding of the cGMPs and Good Hygiene Personnel Practices
  • Notify SQF Practitioner and or Supervisor of any repairs or adjustments that are required.
  • Perform Basic Sanitation Functions
  • Perform all duties necessary to meet Company, and or Regulatory Requirements / standards as prioritized by the Company, HACCP, and SQF.
  • Notify SQF Practitioner/Quality Manager or any other Management personnel of ANY Food Safety or Quality issues.
  • Identify problems relating to Food Safety and the Quality of the raw material, processes, quality system, or safety system, by performing Production/Quality Checks as assigned.
  • Ability to initiate action to prevent the occurrence of nonconformities relating to Food Safety and the Quality of the product, processes, quality system, or safety system. Be able to execute and follow the HOLD SOP.
  • Controls further processing or delivery of nonconforming product in terms of Food Safety and Quality issues until the deficiency or unsatisfactory condition has been corrected.
  • Employee follows all Food Fraud/food Defense Policies while on company property.
  • Thorough understanding of all Company policies, including GMP’s and safety policies, HACCP & SQF.

Safety and Cleanliness

  • Adhere to safety policies. 
  • Maintain a clean and safe work area and report any unsafe conditions to supervisor.
  • Wear company issued personal protective equipment (PPE) such as uniforms, gloves, hairnets.
  • Have knowledge and experience with LOTO (Lock-Out Tag-Out)

WHO WE ARE LOOKING FOR:

“A Comar/PCI employee who will represent the customer and be the consumer’s advocate”

Are You?

  • A High School or Vo-Tech School graduate with 3+ years related experience or training.
  • In a certification program for maintenance, mechanical, electrical or other equipment related discipline.
  • Reliable self-starter with good attendance record.
  • Proficient in basic computer use with the ability to learn and use new systems quickly & efficiently.  
  • Proficient in a maintenance management system.
  • Safely operate and use standard shop equipment.
  • Understanding of the concept of continuous improvement, six sigma or lean manufacturing.
  • Certification: Forklift Certified.

Preferred:

  • Completed technical certification in maintenance or working towards mechanic, electrical, or other equipment related discipline. 
  • Knowledge and/or previous experience in blow molding, injection molding or extrusion molding.  
  • Experience with processing or troubleshooting of plastics manufacturing equipment. 
  • Some knowledge of pneumatics, hydraulics, and electronics. 

Do You?

  • Strong mechanical aptitude.
  • Proficient in math skills (imperial & metric), as well as measurement and use of measurement tools.
  • Ability to read and follow verbal and written instructions.
  • Strong problem-solving ability.  
  • Time-management – organized with ability to adapt to changing situations.
  • Work independently and in a team environment and take direction from others.
  • Ability to communicate clearly and work well with all levels in the organization.   
  • Excellent oral and written communication and interpersonal skills- ability to work well with all levels in the organization.   
  • Ability to adapt to changing situations, manage priorities and crises situations in a professional manner.
  • Read blue prints, electrical, hydraulic and ladder logic and operational procedures.
  • Knowledge, skills and ability to train Maintenance Technician I.
  • Effectively communicate with supervisor.
  • The ability to read, write, and comprehend information provided.

Do you Enjoy Physical Work where you will?

  • Stand for most of the work shift.
  • Use hands and fingers to handle or feel; reach with hands and arms; stoop, crouch, bend, twist, and only occasionally sit. 
  • Lift and/or move up to 50 pounds. Heavier amounts can be moved with assistance of equipment. 

Knowledge of and/or previous experience in a manufacturing environment is a plus!

COMPENSATION 

The compensation entry point for this role is $26.05/hour

This position is eligible for a comprehensive benefits package including medical, dental, 401(k), tuition reimbursement, and additional ancillary benefits available upon request.

 

EEOC

Comar is an EOE/Veterans/Disabled/LGBT employer and all qualified applicants will receive consideration for employment without regard to age, race, creed, color, national origin, ancestry, marital status, affectional or sexual orientation, gender identity or expression, disability, nationality, sex or any other legally protected category. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Equal Opportunity Employer
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.