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Machine Operator Trainee Jobs in Hawthorne, CA (NOW HIRING)

RimePro Inc

Centerless Grinder

Los Angeles, CA · On-site

$30 - $40/hr

This position is responsible for setting up and operating centerless grinding machines to produce ... trainees as needed. * Follow all company safety policies and quality procedures throughout all ...

RimePro Inc

Centerless Grinder

Whittier, CA · On-site

$30 - $40/hr

This position is responsible for setting up and operating centerless grinding machines to produce ... trainees as needed. * Follow all company safety policies and quality procedures throughout all ...

MS AEROSPACE INC

Centerless Grind

Sylmar, CA

$20 - $45/hr

Night shift Grinding Operator Department/ Area: Grind Position Summary: Candidates will be ... on machine and coach trainees. * Purpose: To prepare forged blank bolts into close tolerance ...

USC Gould School of Law

Locksmith

Los Angeles, CA · On-site

$37.72/hr

Experience operating key cutting and code cutting machines. Experience maintaining records and ... trade-related trainee may substitute for completion of a four year apprenticeship program ...

USC Gould School of Law

Locksmith

Los Angeles, CA · On-site

$37.72/hr

Experience operating key cutting and code cutting machines. Experience maintaining records and ... trade-related trainee may substitute for completion of a four year apprenticeship program ...

County of Los Angeles

LOCKSMITH

Los Angeles, CA · On-site

$90K/yr

... operated key cutting machines. Changes key and cylinder combinations in accordance with changes in ... trainee, and is fully qualified and able to perform a specific trade without supervision. **To ...

County of Los Angeles, CA

LOCKSMITH

Los Angeles, CA · On-site

$90K/yr

... operated key cutting machines. Changes key and cylinder combinations in accordance with changes in ... trainee , and is fully qualified and able to perform a specific trade without supervision. **To ...

Sunbelt Rentals

Yard Associate

Long Beach, CA · On-site

$18.99 - $26.11/hr

Porter Hostler, Yard Hand, Yard Jockey, Yard Spotter, Entry Level Mechanic, Mechanic Trainee ... operating heavy machinery. Employment Type: FULL_TIME

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All JobsMachine Operator JobsMachine Operator Trainee JobsMachine Operator Trainee Jobs in Hawthorne, CA

Machine Operator Trainee information

See Hawthorne, CA salary details

$12

$18

$23

How much do machine operator trainee jobs pay per hour?

As of Aug 23, 2026, the average hourly pay for machine operator trainee in Hawthorne, CA is $18.49, according to ZipRecruiter salary data. Most workers in this role earn between $16.63 and $19.81 per hour, depending on experience, location, and employer.

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

To thrive as a Machine Operator Trainee, you need basic mechanical aptitude, attention to detail, and a high school diploma or equivalent. Familiarity with manufacturing equipment, safety protocols, and basic computer systems or programmable logic controllers (PLCs) is often required. Strong problem-solving skills, teamwork, and a willingness to learn help trainees excel in fast-paced production environments. These abilities are crucial for ensuring operational efficiency, minimizing downtime, and maintaining workplace safety.

What are some common challenges machine operator trainees face during their initial months on the job?

Machine Operator Trainees often encounter challenges such as learning to operate complex machinery safely, adapting to fast-paced production environments, and mastering quality control procedures. Adjusting to shift work and understanding the importance of teamwork in a manufacturing setting can also take time. However, most employers provide hands-on training and mentorship to support new trainees as they build confidence and proficiency in their roles.

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

AspectMachine Operator TraineeMachine Operator
CredentialsMay require a high school diploma or equivalent; training provided on the jobTypically requires relevant certifications or licenses; experience preferred
Work EnvironmentTraining environment, supervised, learning phaseFull operational environment, responsible for machine operation
Job ResponsibilitiesAssisting and learning machine operation tasksOperating machinery independently, ensuring safety and efficiency

The main difference is that a Machine Operator Trainee is in a learning phase, often supervised and still acquiring skills, while a Machine Operator is fully responsible for operating machinery independently. Trainees focus on gaining experience, whereas operators perform the job routinely with established skills.

How to become a machine operator trainee with no experience?

To become a machine operator trainee with no experience, focus on gaining basic technical skills through vocational training or community college courses, and highlight your willingness to learn and work in a manufacturing environment. Some employers offer on-the-job training for entry-level candidates, so applying to companies that provide training programs can also be effective.

How to get started as a machine operator trainee?

To start as a machine operator trainee, you typically need a high school diploma or equivalent and basic technical skills. Employers often provide on-the-job training, but having familiarity with machinery, safety protocols, and the ability to follow instructions can be beneficial. Some positions may require certifications in equipment operation or safety standards.

What do machine operator trainees do?

Machine operator trainees learn to operate and monitor manufacturing equipment, such as presses, lathes, or conveyor systems. They gain skills in safety procedures, quality control, and troubleshooting under supervision to prepare for full-time roles as machine operators.

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

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

What cities near Hawthorne, CA are hiring for Machine Operator Trainee jobs?

Cities near Hawthorne, CA with the most Machine Operator Trainee job openings:

Machine Operator Trainee jobs near you
Infographic showing various Machine Operator Trainee job openings in Hawthorne, CA as of August 2026, with employment types broken down into 1% As Needed, 48% Full Time, 49% Part Time, 1% Contract, and 1% Nights. Highlights an 99% Physical, and 1% Remote job distribution, with an average salary of $38,457 per year, or $18.5 per hour.

Centerless Grinder

RimePro Inc

Los Angeles, CA • On-site

$30 - $40/hr

Full-time

Re-posted 24 days ago

Job description

Position Overview

We are seeking a skilled Centerless Grinder Operator to join our precision manufacturing team. This position is responsible for setting up and operating centerless grinding machines to produce high-quality, close-tolerance metal components. The ideal candidate has hands-on machining experience, strong mechanical aptitude, and a commitment to maintaining accuracy and safety in a fast-paced production environment.

Key Responsibilities

  • Set up and operate Cincinnati #2 or similar centerless grinding machines to produce precision parts within specified tolerances.

  • Install and balance grinding and regulating wheels; adjust fixtures, tooling, and feeds to achieve required surface finish and dimensions.

  • Inspect and measure parts using micrometers, calipers, and other precision instruments to verify conformance to specifications.

  • Monitor machine performance, make necessary adjustments, and maintain production efficiency and quality standards.

  • Document production data, quality results, and machine maintenance records.

  • Maintain an organized and clean work area with all required tools, gages, and instructions readily available.

  • Participate in continuous improvement initiatives and assist in training junior operators or trainees as needed.

  • Follow all company safety policies and quality procedures throughout all phases of operation.

Qualifications

  • High school diploma or equivalent required.

  • 3+ years of experience operating centerless grinders in a manufacturing or machining environment preferred.

  • Working knowledge of machine setup, tooling, and precision measuring equipment.

  • Basic understanding of mechanical drawings and production specifications.

  • Ability to perform basic arithmetic calculations related to part dimensions and tolerances.

  • Strong attention to detail and a commitment to producing quality parts.

  • Willingness to work as part of a team and assist with training when needed.

  • Bilingual (English/Spanish) a plus.

Physical & Work Environment

  • Frequent standing, repetitive motion, and manual handling of parts throughout the shift.

  • Occasional lifting of up to 25–50 lbs.

  • Exposure to manufacturing noise, lubricants, and metal particles.

  • Must be comfortable working in a production setting where precision and safety are priorities.