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Blow Mold Machine Operator Jobs in Riverside, CA

Ambrit Engineering - USA

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 ...

Applied Medical

Mold Maker

Rancho Santa Margarita, CA · On-site

$25 - $40/hr

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

Applied Medical

Mold Maker

Rancho Santa Margarita, CA · On-site

$25 - $40/hr

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

Applied Medical

Mold Maker

Rancho Santa Margarita, CA · On-site

$25/hr

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

MW Industries

Machinist I- Header Operator

Anaheim, CA · On-site

The Machine Operator operates either Cold Heading or Roll Threading Machines in some cases both ... Ability to operate and troubleshoot the single and multi- blow cold heading machines. * Be able to ...

MW Industries

Machinist I- Header Operator

Anaheim, CA · On-site

The Machine Operator operates either Cold Heading or Roll Threading Machines in some cases both ... Ability to operate and troubleshoot the single and multi- blow cold heading machines. * Be able to ...

HiFyve

Electro-Mechanical Technician

Fontana, CA · On-site

$34 - $42/hr

Unlike conventional manufacturing environments with separate roles for operators, maintenance, and ... Support blow molding operations when necessary and cross-train across platforms. * Assist during ...

Datwyler

Press Operator - Custom

Ontario, CA · On-site

$21 - $24/hr

Molds parts using a compression molding press * Cuts and weighs preforms * Molds parts using a ... Minimum experience: six months of previous factory experience working with machinery * Minimum ...

ABBA Roller

Press Operator

Ontario, CA · On-site

$20 - $25/hr

Experience operating presses, molding equipment, or similar manufacturing machinery is a plus. * Placement into the Manufacturing Technician I or II level will be based on the candidate's experience ...

Consolidated Container

Quality Manager

Anaheim, CA · On-site

... blow mold lines, including bottle functionality, dimensional accuracy, weight, visual appearance, and leak integrity. * The Manager verifies that operators follow all start-up, changeover, and ...

Altium Packaging LLC

Quality Manager

Anaheim, CA · On-site

... blow mold lines, including bottle functionality, dimensional accuracy, weight, visual appearance, and leak integrity. * The Manager verifies that operators follow all start-up, changeover, and ...

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Showing results 21-40

All JobsBlow Mold Machine Operator JobsBlow Mold Machine Operator Jobs in Riverside, CA

Blow Mold Machine Operator information

See Riverside, CA salary details

$14

$20

$25

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

As of Aug 7, 2026, the average hourly pay for blow mold 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 mold machine operator, and why are they important?

To thrive as a Blow Mold Machine Operator, you need mechanical aptitude, attention to detail, and a high school diploma or equivalent, with some employers preferring prior manufacturing experience. Familiarity with blow molding machines, basic hand tools, and quality control systems is typically required, along with knowledge of safety protocols. Strong problem-solving skills, teamwork, and effective communication help operators quickly address equipment issues and coordinate with colleagues. These skills ensure efficient production, minimize downtime, and maintain product quality and workplace safety.

What skills are needed for blow mold machine operator?

A blow mold machine operator needs strong mechanical skills, attention to detail, and the ability to read and interpret technical drawings and instructions. Familiarity with operating and maintaining plastic molding equipment, good hand-eye coordination, and the ability to work in a fast-paced environment are also important. Basic math skills and knowledge of safety procedures are essential for the role.

What does a blow mold machine operator do?

The responsibilities of a blow mold machine operator include setting up and operating blow molding equipment used to create hollow plastic products. In this career, you manage the production of one machine in most cases, adjust the controls, set the temperature, adjust the mandrel with the desired mold chamber, and allow the machine to create the product to the client’s specifications under a specific amount of heat and pressure. You use various hand tools, trim excess plastic material from products using knives or a bandsaw, and ensure product quality by inspecting and weighing finished pieces. Other duties include regrinding extra material and any parts that are not to spec, regrinding extra material for reuse, light assembly as needed, and packing boxes with finished pieces. Many employers also expect you to perform minor repairs on machinery.

What is a blow mold machine operator?

Blow Mold Machine Operators are skilled workers who set up, operate, and maintain machines that shape plastic or glass containers using the blow molding process. They monitor machine performance, adjust settings, and ensure the quality of the final products by inspecting them for defects. These operators also perform routine maintenance, troubleshoot equipment issues, and keep detailed production records. Blow Mold Machine Operators play a vital role in industries such as packaging, automotive, and consumer goods manufacturing.

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

AspectBlow Mold Machine OperatorPlastic Molding Technician
CredentialsHigh school diploma, on-the-job trainingHigh school diploma, technical training often preferred
Work EnvironmentManufacturing plants, operating blow molding machinesManufacturing facilities, working with various molding equipment
Industry UsagePlastic bottle and container productionBroader plastic parts manufacturing

Both roles involve working with plastic molding equipment, but Blow Mold Machine Operators focus specifically on blow molding processes for bottles and containers, while Plastic Molding Technicians handle a wider range of plastic molding techniques. The skills and certifications overlap, making them comparable roles within the plastics manufacturing industry.

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

Blow Mold Machine Operators often encounter challenges such as machine malfunctions, maintaining product quality, and minimizing production downtime. To address these, operators should stay vigilant during machine operation, perform regular quality checks, and follow preventive maintenance schedules closely. Collaborating with maintenance technicians and communicating issues promptly helps resolve problems efficiently and ensures smooth production flow. Continuous learning about new machine models and updated safety protocols also contributes to overcoming challenges in this role.
More about Blow Mold Machine Operator jobs
What are the most commonly searched types of Blow Mold Machine Operator jobs in Riverside, CA? The most popular types of Blow Mold Machine Operator jobs in Riverside, CA are:
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What job categories do people searching Blow Mold Machine Operator jobs in Riverside, CA look for? The top searched job categories for Blow Mold Machine Operator jobs in Riverside, CA are:
What cities near Riverside, CA are hiring for Blow Mold Machine Operator jobs? Cities near Riverside, CA with the most Blow Mold Machine Operator job openings:
Blow Mold Machine Operator jobs near you
Infographic showing various Blow Mold Machine Operator job openings in Riverside, CA as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $42,359 per year, or $20.4 per hour.

Mold Maker

Ambrit Engineering - USA

Santa Ana, CA • On-site

$45 - $48/hr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 18 days ago

Job description

Mold Maker Job Summary

We are seeking an experienced Mold Maker to join our Tool Room team. The Mold Maker is responsible for manufacturing, repairing, and troubleshooting injection molds and tooling used in a high-volume injection molding environment. This position requires expertise in precision machining, blueprint reading, GD&T, mold construction, and mold repair to determine repair needs for Injection Molding (IM) molds, including predictive maintenance. Additional responsibilities may include general cleaning, welding, spotting and polishing.

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 Duties and Responsibilities

  • Build, repair, modify, and troubleshoot injection molds and mold components.

  • Manufacture mold components including cores, cavities, inserts, slides, lifters, ejector components, and related tooling.

  • Read and interpret engineering drawings, blueprints, CAD prints, and GD&T specifications.

  • Set up and operate tool room equipment including:

    • CNC milling machines

    • Manual milling machines

    • Surface grinders

    • Engine lathes

    • Wire EDM equipment

    • Drill presses and related machinery

  • Machine, fit, and assemble mold components to required tolerances.

  • Perform precision bench work including spotting, fitting, polishing, and assembly.

  • Repair damaged or worn mold components through machining, welding, grinding, and finishing operations.

  • Analyze tooling issues and determine appropriate corrective actions.

  • Verify dimensions and tolerances using precision measuring instruments.

  • Support engineering changes, mold improvements, and tooling modifications.

  • Perform mold tryout support and assist with tooling-related production issues.

  • Maintain accurate records of tooling repairs, modifications, and completed work.

  • Ensure all tooling and equipment are maintained in safe working condition.

  • Follow all company safety policies and procedures.

  • Perform other duties as assigned by the Tool Room Manager.

Required Qualifications

  • Minimum 5 years of Mold Maker experience in an injection molding or tooling manufacturing environment.

  • Strong understanding of injection mold construction and function.

  • Proficiency in blueprint reading and GD&T.

  • Experience operating CNC mills, manual mills, lathes, surface grinders, and Wire EDM equipment.

  • Skilled in precision machining, mold fitting, spotting, polishing, and assembly.

  • Experience repairing cores, cavities, slides, inserts, and other mold components.

  • Ability to perform precision measurements using micrometers, calipers, indicators, height gauges, and related inspection equipment.

  • Experience with welding and mold repair techniques.

  • Strong troubleshooting and problem-solving skills.

  • Ability to work independently with minimal supervision.

  • Knowledge of ISO standards and quality requirements.

  • Proficiency with Microsoft Office applications.

Preferred Qualifications

  • 7+ years of Mold Maker experience.

  • Journeyman Toolmaker or equivalent experience.

  • Advanced CNC programming and machining experience.

  • TIG, laser, or micro-welding experience.

  • Experience with hot runner systems and complex multi-cavity molds.

  • Leadership or mentoring experience within a tool room environment.

Benefits

  • Competitive pay based on experience

  • Medical, Dental, and Vision Insurance

  • Compnay Paid life insurance

  • 401(k)

  • Paid Time Off and Paid Holidays

  • Career Growth Opportunities

Schedule: Full-Time

Work Location: On-Site

You should be proficient in:

  • CAD Software
  • Injection Molding Experience
  • AS9100 Experience
  • Blueprint Reading