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Machine Learning Trainee Jobs in California (NOW HIRING)

Stanford University

Biostatistician 2

Stanford, CA

$115K - $134K/yr

... machine learning, and experience in working with Cosmos, MarketScan, and CMS claims data. Duties ... junior analysts, and trainees in medicine, economics, and public health studies Constructing ...

Stanford University

Biostatistician 2

Stanford, CA · On-site

$115K - $134K/yr

... machine learning, and experience in working with Cosmos, MarketScan, and CMS claims data. Duties ... and trainees in medicine, economics, and public health studies • Constructing complex data ...

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All JobsMachine Learning Trainee JobsMachine Learning Trainee Jobs in California

Machine Learning Trainee information

See California salary details

$21.1K

$107.3K

$209.6K

How much do machine learning trainee jobs pay per year?

As of Jun 27, 2026, the average yearly pay for machine learning trainee in California is $107,321.00, according to ZipRecruiter salary data. Most workers in this role earn between $44,065.00 and $152,759.00 per year, depending on experience, location, and employer.

What kind of projects and tasks can I expect to work on as a Machine Learning Trainee?

As a Machine Learning Trainee, you'll typically assist with data preprocessing, exploratory data analysis, model implementation, and performance evaluation under the guidance of senior data scientists or engineers. You may help clean and organize datasets, experiment with different algorithms, and document your findings. Collaboration is a key part of the role, as you'll often work alongside cross-functional teams, including software developers and business analysts, to support ongoing projects. This hands-on experience provides a strong foundation for advancing to more specialized or independent roles in machine learning.

What is the difference between Machine Learning Trainee vs Data Scientist?

AspectMachine Learning TraineeData Scientist
Required CredentialsBasic understanding of programming, statistics, and machine learning concepts; often pursuing or recent graduatesAdvanced degree (Master's or PhD) in data science, statistics, or related fields; more experience
Work EnvironmentEntry-level, training-focused roles in tech companies, startups, or research labsFull-fledged data analysis, modeling, and decision-making roles in various industries
Employer & Industry UsageCompanies hiring for entry-level machine learning roles, internships, or training programsOrganizations leveraging data science for strategic insights, product development, or research

The main difference between a Machine Learning Trainee and a Data Scientist lies in experience, responsibilities, and skill level. Trainees are typically beginners gaining foundational knowledge, while Data Scientists are experienced professionals performing complex data analysis and modeling tasks.

What are the key skills and qualifications needed to thrive as a Machine Learning Trainee, and why are they important?

To thrive as a Machine Learning Trainee, you need a solid understanding of mathematics, programming (especially Python), and foundational machine learning concepts, often supported by a relevant degree or coursework. Familiarity with tools like TensorFlow, scikit-learn, and data visualization libraries, as well as version control systems such as Git, is commonly expected. Strong problem-solving abilities, eagerness to learn, and effective communication help trainees excel in collaborative and fast-evolving environments. These skills and qualities are crucial for quickly adapting to new technologies, understanding complex data, and contributing meaningfully to machine learning projects.

What are Machine Learning Trainees?

Machine Learning Trainees are entry-level professionals or students who are learning the fundamentals of machine learning, including algorithms, data analysis, and model development. They often work under the guidance of experienced data scientists or engineers to gain hands-on experience with real-world datasets and tools. Their responsibilities may include data preprocessing, implementing basic models, and assisting in research or software development. This role is typically designed to help individuals build foundational skills needed for more advanced machine learning positions.
What are the most commonly searched types of Machine Learning jobs in California? The most popular types of Machine Learning jobs in California are:
What are popular job titles related to Machine Learning Trainee jobs in California? For Machine Learning Trainee jobs in California, the most frequently searched job titles are:
What job categories do people searching Machine Learning Trainee jobs in California look for? The top searched job categories for Machine Learning Trainee jobs in California are:
What cities in California are hiring for Machine Learning Trainee jobs? Cities in California with the most Machine Learning Trainee job openings:
Machine Learning Trainee jobs near you
Infographic showing various Machine Learning Trainee job openings in California as of June 2026, with employment types broken down into 98% Full Time, and 2% Part Time. Highlights an 87% Physical, 2% Hybrid, and 11% Remote job distribution, with an average salary of $107,321 per year, or $51.6 per hour.
Press Operator Trainee (85429)

Press Operator Trainee (85429)

THE GILL CORPORATION

El Monte, CA • On-site

$23.97 - $28.88/hr

Full-time

Posted 13 days ago

Job description

Who we are:

The Gill Corporation is one of the world's largest manufacturers of honeycomb, high performance floor panels, cargo compartment liners and original equipment for passenger and freighter aircraft. The company also excels in many other types of reinforced plastics including interior sandwich panels for creating structures such as aircraft galleys and bulkheads, honeycomb core and related products.

The Gill Corporation is looking for a Press Operator Trainee who will perform troubleshooting, replace defective machine components, monitor the systems for efficiency, read instructional guides, determine product suitability, and inspect irregularities before and after the use of press machines to ensure smooth operations. Press Operators Trainee work with Press Operators to finish their projects by their respective deadlines and must follow safety guidelines.

Reporting to the Production Supervisor, they will perform but not be limited to the following responsibilities.

Responsibilities:

  • Check Gill Process Specifications against work order instructions
  • Assist Loads and unloads press.
  • Understand the basic function of the press (What the press does and how the press works) 
  • Assists in breaking loads apart after pressing.
  • Assists in inspecting panels for correctness, and informs Operator or supervisor of any noncompliance prior to proceeding with balance of the job.
  • Assists in recording material usages and pressing conditions.
  • Assists Operator in identifying each panel with serial number and documents all traceability information on the shop planner.
  • Assist in checking material tags for proper materials.
  • Assist and learn to set up pressing conditions per GPS instructions.
  • Assist the operator while learning to operate press 2, 6, 11, 15, 30 and 31 to manufacture quality panels and liners.
  • Learn to check panel/liner thickness using a micrometer to ensure its within the tolerance.
  • Maintain the work area and equipment in a clean and orderly condition.
  • Utilize hand and power tools as needed to perform the duties
  • Reports any defective materials or questionable conditions to the Operator, Lead or Supervisor
  • Know and follow the PPE safety policies and procedures.
  • Maintain a safe work environment
  • Other essential duties may be assigned.

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Required Qualifications:

  • Must have a high school diploma, GED or equivalence
  • One or two years of related experience and/or training a plus but not required
  • Acceptable Spirometry Test results (full/ half respirator use).
  • Must be available to work any shift, over-time and weekends.
  • Must be able to work in a team environment, ie follow instructions
  • Bend, Twist, and Stand for 8-10 hours a day in extreme heat or cold
  • Use hands for simple and power grasping as well as push/pull and fine manipulation
  • Be willing to work in a manufacturing environment
  • Basic Math Skills: Addition, Subtraction, Multiplication and Division
  • Accurately uses and understands how to read a measuring tape
  • Effectively communicate information and respond to questions from various levels of the organization
  • Must be able to lift, push and pull a minimum of 50 lbs.

ITAR Requirement:

This position requires access to information that is subject to compliance with the International Traffic Arms Regulations (“ITAR”) and/or the Export Administration Regulations (“EAR”). In order to comply with the requirements of the ITAR and/or the EAR, applicants will be asked to provide specific documentation to verify U.S. person status under the ITAR and the EAR. A “U.S. person” according to their definition is a U.S. citizen, U.S. lawful permanent resident (green card holder), or protected individual such as a refugee, or asylee.

The Gill Corporation is an Equal Opportunity Employer. Applicants for all job openings are welcome and will be considered without regard to race, religious creed, color, age, sex, gender identity, gender expression, genetic information, sexual orientation, national origin, religion, marital status, medical condition, physical or mental disability, military service, veteran status, pregnancy, childbirth and related medical conditions, or any other classification protected by federal, state, and local laws and ordinances.

The Gill Corporation provides reasonable accommodations to qualified individuals with disabilities in accordance with the Americans with Disability Act and applicable state and local law. If you require an accommodation in the application process, please notify the Human Resources Department

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