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Machine Operator Assistant Jobs in Irvine, CA (NOW HIRING)

Amcor plc

Machine Operator I - Hiring Event

Chino, CA · On-site

$21/hr

Summary: The Machine Operator is responsible for operating winders, adjusting, and packaging ... Maintain thorough knowledge of all processes and equipment. * Assist in Training Packers. * Assist ...

Amcor

Machine Operator I - Hiring Event

Chino, CA · On-site

$21/hr

Summary: The Machine Operator is responsible for operating winders, adjusting, and packaging ... Maintain thorough knowledge of all processes and equipment. * Assist in Training Packers. * Assist ...

Calmont Wire & Cable

Be Seen First

Extruder Operator

Santa Ana, CA · On-site

$22 - $40/hr

We are looking for a self-motivated Extruder Machine Operator who enjoys the challenge of working ... in daily team meetings Ø Assist manufacturing personnel from other departments Ø Perform ...

THE NEW-INDY GROUP

Machine Helper 2nd Shift

Cerritos, CA · On-site

$19 - $20/hr

The Helper will assist the Machine Operator as needed throughout the shift. ESSENTIAL DUTIES AND RESPONSIBILITIES * Cut all straps and remove all excess cardboard from sheets before entry into ...

Pexco

Operator

Yorba Linda, CA · On-site

$20/hr

Machine Operations & Production * Set up, start, and operate plastic injections molding machines ... Adhere to production schedules, reporting any delays or equipment downtime promptly * Assist with ...

Eaton

Machine Shop Operator - 3rd Shift

Santa Ana, CA · On-site

$23.40/hr

The Machine Shop Operator - 3rd Shift role offers a 32.5 hour work week with a $3.00/hour shift ... To request a disability-related reasonable accommodation to assist you in your job search ...

New-Indy Containerboard

Strapper

Cerritos, CA · On-site

$22 - $24/hr

Remove scrap, damaged product, and excess materials from the production area. * Assist Machine Operators with product changeovers, setup activities, and general production support. * Perform visual ...

THE NEW-INDY GROUP

Strapper

Cerritos, CA · On-site

$22 - $24/hr

Remove scrap, damaged product, and excess materials from the production area. * Assist Machine Operators with product changeovers, setup activities, and general production support. * Perform visual ...

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All JobsMachine Operator JobsMachine Operator Assistant JobsMachine Operator Assistant Jobs in Irvine, CA

Machine Operator Assistant information

See Irvine, CA salary details

$14

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$23

How much do machine operator assistant jobs pay per hour?

As of Aug 23, 2026, the average hourly pay for machine operator assistant in Irvine, CA is $19.85, according to ZipRecruiter salary data. Most workers in this role earn between $17.31 and $20.62 per hour, depending on experience, location, and employer.

What is a machine operator assistant?

Machine Operator Assistants support machine operators by preparing materials, monitoring equipment, and ensuring a smooth production process in manufacturing environments. Their tasks often include loading and unloading materials, cleaning machines, inspecting products for quality, and assisting with machine maintenance. They help maintain efficiency and safety in the workplace and may also document production data or report equipment issues. This role is key for keeping manufacturing lines running smoothly and efficiently.

What are the key skills and qualifications needed to thrive as a machine operator assistant, and why are they important?

To thrive as a Machine Operator Assistant, you need basic mechanical aptitude, attention to detail, and a high school diploma or equivalent. Familiarity with manufacturing machinery, safety protocols, and the ability to use measuring tools or computer systems is often required. Reliability, effective communication, and the ability to work well in a team are standout soft skills for this role. These skills ensure safe, efficient machine operation and help maintain smooth production processes in manufacturing environments.

What are some common challenges faced by a machine operator assistant, and how can they be overcome?

Machine Operator Assistants often encounter challenges such as adapting to fast-paced production environments, ensuring safety compliance, and minimizing machine downtime. To overcome these, it's important to stay attentive to operational protocols, communicate effectively with machine operators and team members, and proactively report any equipment issues. Continuous learning and on-the-job training can also help assistants rapidly build the skills necessary to troubleshoot minor problems and contribute to a smooth workflow.

What is the difference between Machine Operator Assistant vs Machine Operator?

AspectMachine Operator AssistantMachine Operator
CredentialsHigh school diploma or equivalent; some technical trainingHigh school diploma; technical certifications often preferred
Work EnvironmentAssists in manufacturing or production settings, working alongside machine operatorsOperates machinery directly in manufacturing or industrial environments
Job ResponsibilitiesSupports machine operation, performs basic maintenance, and monitors equipmentControls and manages machinery, ensures quality, and troubleshooting

The Machine Operator Assistant primarily supports and assists the Machine Operator in daily tasks, focusing on preparation and basic maintenance. The Machine Operator takes on the responsibility of running and managing machinery independently. Both roles are essential in manufacturing, but the Machine Operator has more advanced technical duties and decision-making authority.

How to become a machine operator assistant with no experience?

To become a machine operator assistant with no experience, start by gaining basic knowledge of manufacturing processes and safety procedures through online courses or training programs. Entry-level positions often require a high school diploma or equivalent, and on-the-job training is provided to learn equipment operation and maintenance. Developing skills in attention to detail, manual dexterity, and understanding of tools can improve your chances of securing a position.

What are the most commonly searched types of Machine Operator jobs in Irvine, CA?

The most popular types of Machine Operator jobs in Irvine, CA are:

What cities near Irvine, CA are hiring for Machine Operator Assistant jobs?

Cities near Irvine, CA with the most Machine Operator Assistant job openings:

Machine Operator Assistant jobs near you

Belt Grinder Operator Helper

INA Solution Inc

Santa Fe Springs, CA • On-site

$17.50 - $21.75/hr

Full-time

Posted 10 days ago

Job description

Job Title: Machine Operator Helper

Location: Santa Fe Springs, CA
Duration: Long-Term Contract

Job Summary:

The Belt Grinding Machine Operator Helper supports the primary operator in setting up, running, and maintaining belt grinding equipment used for surface finishing, deburring, and material preparation. This role assists with material handling, basic grinding tasks, inspection, and maintaining a clean and safe work area to ensure efficient workflow and high-quality output.

Key Responsibilities:

Machine Support:

  • Assist with setup and preparation of belt grinding machines, including changing belts, adjusting tracking, and preparing fixtures.
  • Load and unload parts onto the grinding machine or worktable.
  • Monitor grinding operations to identify defects, overheating, or improper belt performance.
  • Help the operator make adjustments to pressure, angle, or feed rate as needed.

Production & Finishing Tasks:

  • Perform basic grinding, deburring, smoothing, and surface preparation on metal or other materials.
  • Handle raw materials, components, and finished parts at each stage of the grinding process.
  • Use measurement tools (calipers, micrometers, gauges, rulers) to verify part dimensions and finish quality.
  • Sort, label, and package finished parts according to job specifications.

Safety & Maintenance:

  • Follow all safety procedures related to belt grinders, including PPE, guard usage, and spark/fire precautions.
  • Keep grinding area clean by removing dust, metal shavings, and debris regularly.
  • Assist with routine machine maintenance such as belt changes, lubrication checks, and cleanup.
  • Report worn belts, machine issues, or safety hazards immediately to the operator or supervisor.

Documentation:

  • Record production quantities, part counts, and material usage.
  • Complete quality checklists or inspection forms as required.

Qualifications

Education & Experience:

  • High school diploma or equivalent preferred.
  • Prior experience with grinding, finishing, or manufacturing equipment is a plus but not required.

Skills & Abilities:

  • Ability to learn belt grinding techniques and follow instructions closely.
  • Basic understanding of hand tools and measurement instruments.
  • Good manual dexterity and attention to detail.
  • Strong teamwork and communication skills.

Physical Requirements:

  • Ability to lift and move up to 50 lbs regularly.
  • Frequent standing, bending, reaching, and repetitive hand movements.
  • Comfortable working around sparks, grinding dust, and noisy equipment (with PPE).

Work Environment:

  • Production/finishing area with exposure to metal dust, noise, vibration, and moving machinery.
  • Personal protective equipment required (safety glasses, hearing protection, gloves, etc.).

Workplace Policies — Drugs & Alcohol:

  • Employees must report to work free from the influence of drugs, alcohol, or any impairing substances.
  • The company maintains a zero-tolerance policy for drug or alcohol use during work hours or on company property.
  • Failure to comply with these policies may result in disciplinary action, up to and including termination.
  • Employees must notify the supervisor if they are taking prescribed medications that may affect their ability to safely operate machinery.