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Trainee Engineer Jobs in California (NOW HIRING)

California Temp Services, Inc

$20/hr

CNC Machinist Trainee - Mill & Lathe Location: San Fernando Valley, CA Pay Rate: $20.00/hour Job ... basic programming as trained. * Monitor machines during production to ensure proper operation.

SwiftX Inc.

Operation Management Trainee

Corona, CA · On-site

$25/hr

Overview SwiftX is seeking highly motivated and ambitious Management Trainees to join our ... Supply Chain, Logistics, Industrial Engineering, Business, Economics, Operations Management, or ...

SwiftX Inc.

Operation Management Trainee

Corona, CA

$25/hr

Overview SwiftX is seeking highly motivated and ambitious Management Trainees to join our ... Supply Chain, Logistics, Industrial Engineering, Business, Economics, Operations Management, or ...

SwiftX Inc.

Management Trainee - Operation

Eastvale, CA · On-site

$25/hr

Overview SwiftX is seeking highly motivated and ambitious Management Trainees to join our ... Supply Chain, Logistics, Industrial Engineering, Business, Economics, Operations Management, or ...

SwiftX Inc.

Management Trainee - Operation

Eastvale, CA · On-site

$25/hr

Overview SwiftX is seeking highly motivated and ambitious Management Trainees to join our ... Supply Chain, Logistics, Industrial Engineering, Business, Economics, Operations Management, or ...

SwiftX Inc.

Operation Management Trainee

Corona, CA · On-site

$25/hr

Overview SwiftX is seeking highly motivated and ambitious Management Trainees to join our ... Supply Chain, Logistics, Industrial Engineering, Business, Economics, Operations Management, or ...

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All JobsEngineer JobsTrainee Engineer JobsTrainee Engineer Jobs in California

Trainee Engineer information

What is a trainee engineer?

Trainee engineers are entry-level professionals who have recently completed their engineering education and are undergoing practical training within an organization. Their role is to gain hands-on experience, develop technical skills, and learn about the company's processes under the guidance of senior engineers. Trainee engineers may rotate through different departments to understand various aspects of engineering work and to identify their areas of interest. The goal is to prepare them for full-time engineering positions by building a strong foundation in both technical and soft skills.

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

To thrive as a Trainee Engineer, you need a solid understanding of engineering principles, analytical skills, and a relevant degree in engineering or a related field. Familiarity with CAD software, industry-specific tools, and an openness to learning new technologies is typically expected. Strong problem-solving abilities, effective communication, and teamwork set standout candidates apart. These skills ensure you can effectively contribute to projects, adapt to evolving technical requirements, and integrate smoothly into engineering teams.

What do trainee engineers do?

As a Trainee Engineer, you can expect to work on a variety of entry-level engineering projects under the guidance of experienced team members. Typical responsibilities include assisting with technical documentation, conducting research, performing basic calculations or tests, and supporting ongoing design or implementation tasks. You'll often collaborate closely with engineers from different disciplines, attend regular team meetings, and participate in training sessions to build your technical and soft skills. This hands-on experience is designed to help you understand company processes and prepare you for more complex assignments as you progress.

What is the difference between Trainee Engineer vs Junior Engineer?

AspectTrainee EngineerJunior Engineer
QualificationsTypically pursuing or recently completed relevant degree or diplomaCompleted degree or diploma, with some work experience
Work EnvironmentTraining period, supervised tasks, learning-focusedIndependent task execution, project involvement
ResponsibilitiesAssisting senior staff, learning proceduresPerforming assigned technical tasks, supporting projects
Career StageEntry-level, training phaseEarly career, gaining experience

In summary, a Trainee Engineer is in the learning and training phase, focusing on skill development under supervision, while a Junior Engineer has completed their education and is actively working on technical tasks with more independence, marking the beginning of their professional career.

What are the most commonly searched types of Engineer jobs in California?

The most popular types of Engineer jobs in California are:

What cities in California are hiring for Trainee Engineer jobs?

Cities in California with the most Trainee Engineer job openings:

Trainee Engineer jobs near you
Infographic showing various Trainee Engineer job openings in California as of August 2026, with employment types broken down into 94% Full Time, 4% Part Time, and 2% Contract. Highlights an 100% In-person job distribution.

Associate Test Engineer Trainee

Orbotech

Milpitas, CA

Part-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 20 days ago

Job description

Company Overview

KLA is a global leader in diversified electronics for the semiconductor manufacturing ecosystem. Virtually every electronic device in the world is produced using our technologies. No laptop, smartphone, wearable device, voice-controlled gadget, flexible screen, VR device or smart car would have made it into your hands without us. KLA invents systems and solutions for the manufacturing of wafers and reticles, integrated circuits, packaging, printed circuit boards and flat panel displays. The innovative ideas and devices that are advancing humanity all begin with inspiration, research and development. KLA focuses more than average on innovation and we invest 15% of sales back into R&D. Our expert teams of physicists, engineers, data scientists and problem-solvers work together with the world's leading technology providers to accelerate the delivery of tomorrow's electronic devices. Life here is exciting and our teams thrive on tackling really hard problems. There is never a dull moment with us.

Job Description/Preferred Qualifications

Job Description/Preferred Qualifications

We are looking for Associate Test Engineers Trainees for various positions in manufacturing. This is a 12-month trainee program for students working towards an Associate's Degree. You must be okay working 40 hours a week during the summer months and 20 hours a week during the school year. If you enjoy working in a collaborative, continuous learning environment while working on industry leading technology, we want to hear from you!
Job Description
Assist with performing the set-up, calibration, and testing of circuits, components, instruments and mechanical assemblies.
May assist in the selection and set-up of specialized test equipment.
Work on assignments that are complex in nature where independent action and a high degree of initiative are required in resolving problems and developing recommendations.
Simple troubleshooting as needed
Qualifications, but not limited to:
Ability to work in a clean room manufacturing environment is required.
You must be okay working 20 hours minimum a week.
Basic understanding of optics, mechanical, and electrical principles is helpful.
Demonstrate excellent written and verbal communication skills in English.
Demonstrate excellent organization skills, with a logical approach to problem solving, good time management and task prioritization.
Willingness to learn, collaborate effectively within and across teams, and strive for continuous improvement.
You can stand, sit, bend, and periodically lift to 50 pounds with assistance.
Familiar with Microsoft Office.

Minimum Qualifications

some college

Base Pay Range: $0.00 - $0.00Primary Location: USA-CA-Milpitas-KLAKLA's total rewards package for employees may also include participation in performance incentive programs and eligibility for additional benefits including but not limited to: medical, dental, vision, life, and other voluntary benefits, 401(K) including company matching, employee stock purchase program (ESPP), student debt assistance, tuition reimbursement program, development and career growth opportunities and programs, financial planning benefits, wellness benefits including an employee assistance program (EAP), paid time off and paid company holidays, and family care and bonding leave.

Interns are eligible for some of the benefits listed. Our pay ranges are determined by role, level, and location. The range displayed reflects the pay for this position in the primary location identified in this posting. Actual pay depends on several factors, including state minimum pay wage rates, location, job-related skills, experience, and relevant education level or training. We are committed to complying with all applicable federal and state minimum wage requirements where applicable. If applicable, your recruiter can share more about the specific pay range for your preferred location during the hiring process.

KLA is proud to be an Equal Opportunity Employer. We will ensure that qualified individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us at talent.acquisition@kla.com or at +1-408-352-2808 to request accommodation.

Be aware of potentially fraudulent job postings or suspicious recruiting activity by persons that are currently posing as KLA employees. KLA never asks for any financial compensation to be considered for an interview, to become an employee, or for equipment. Further, KLA does not work with any recruiters or third parties who charge such fees either directly or on behalf of KLA. Please ensure that you have searched KLA's Careers website for legitimate job postings. KLA follows a recruiting process that involves multiple interviews in person or on video conferencing with our hiring managers. If you are concerned that a communication, an interview, an offer of employment, or that an employee is not legitimate, please send an email to talent.acquisition@kla.com to confirm the person you are communicating with is an employee. We take your privacy very seriously and confidentially handle your information.

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