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Operator Assistant Trainee Jobs in California (NOW HIRING)

Aviso, LLC

Machine Operator Trainee Assitant

Fremont, CA · On-site

$20 - $22/hr

Machine Operator Trainee / Operator Assistant * Location: Fremont, CA (In-house, on-site role. Must be local; no relocation assistance provided) * Supervisor: Manufacturing Operations Manager * Pay ...

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Operator Trainee

Santa Clara, CA · On-site

$20 - $21/hr

Job Summary We are seeking a reliable and motivated Operator Trainee to assist in the setup and operation of corrugated production machinery. This position supports machine operators with daily ...

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Operator Assistant Trainee information

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

AspectOperator Assistant TraineeOperator Assistant
Required CredentialsHigh school diploma or equivalent; on-the-job trainingHigh school diploma or equivalent; experience preferred
Work EnvironmentTraining phase, supervised, safety-focusedFull-time, operational, hands-on
Employer & Industry UsageUtilities, manufacturing, transportationUtilities, manufacturing, transportation

The main difference is that the Operator Assistant Trainee is in a training phase, gaining skills under supervision, while the Operator Assistant has completed training and performs operational tasks independently. Both roles are common in industries like utilities and manufacturing, with the trainee position serving as a stepping stone to full responsibility.

What does an operator assistant trainee do?

An operator assistant trainee supports equipment operators by performing tasks such as inspecting machinery, assisting with maintenance, and ensuring safety protocols are followed. They typically learn on the job, may operate basic tools or equipment, and often need safety certifications or training to progress in the role.

What are popular job titles related to Operator Assistant Trainee jobs in California?

For Operator Assistant Trainee jobs in California, the most frequently searched job titles are:

What job categories do people searching Operator Assistant Trainee jobs in California look for?

The top searched job categories for Operator Assistant Trainee jobs in California are:

What cities in California are hiring for Operator Assistant Trainee jobs?

Cities in California with the most Operator Assistant Trainee job openings:

Operator Assistant Trainee jobs near you
Infographic showing various Operator Assistant Trainee job openings in California as of August 2026, with employment types broken down into 1% As Needed, 75% Full Time, 21% Part Time, 1% Temporary, and 2% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution.

Machine Operator Trainee Assitant

Aviso, LLC

Fremont, CA • On-site

$20 - $22/hr

Full-time

Re-posted 7 days ago

Job description


     Job Overview: We are looking for a motivated Machine Operator Trainee to join our in-house manufacturing team in Fremont, CA. This is a direct-hire, active, hands-on role designed to help you build a career directly with us. You will partner with our experienced Machine Operators, supporting them with material preparation while receiving direct training to become a skilled, independent Operator yourself.
  • Position: Machine Operator Trainee / Operator Assistant
  • Location: Fremont, CA (In-house, on-site role. Must be local; no relocation assistance provided)
  • Supervisor: Manufacturing Operations Manager
  • Pay Rate: $22.00 / hour
  • Shift: Early morning starts (e.g., 5:00 AM – 1:30 PM, 5:30 AM – 2:00 PM, or 6:00 AM – 2:30 PM, Monday – Friday)
Key Responsibilities

Material Prep & Staging

  • Break down incoming shipments, rolls, and boxes so our production lines can run smoothly.
  • Safely operate pallet jacks to label, organize, and stage raw materials for immediate use by our operators.
Operator & Machinery Support

  • Partner with our senior operators to load raw materials and over-laminates onto the machines.
  • Assist with equipment setup, material changeovers, and basic machinery adjustments.
  • Get hands-on training on the safe operation of our laminating, chopping, punch press, and other production equipment.
Quality, Packaging & Maintenance

  • Perform packaging and assembly duties to help the team meet daily production goals.
  • Help us maintain our high-quality standards by conducting in-process inspections and monitoring parts.
  • Keep our workspace clean and safe (meeting ISO standards), ensuring scrap and waste are cleared to prevent downtime.
Qualifications & Requirements

  • Experience: Previous experience in manufacturing, mechanical/electromechanical assembly, or general labor is highly preferred.
  • Skills: You are mechanically inclined, comfortable with basic measurements, have neat handwriting, and can easily follow work instructions. Familiarity with an ISO environment is a plus.
  • Mindset: You are highly motivated, proactive, and looking for a company where you can learn a trade and grow long-term.
  • Reliability: You are dependable and have the flexibility to match our early-morning production schedules.
  • Location Requirement: You must be local to the Fremont, CA area. This is a 100% on-site, in-house position and we do not offer relocation assistance.
  • Physical Demands: You must be able to regularly lift up to 50 lbs and remain active (standing, walking, bending) for 90% to 100% of your shift.