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Flex Engineering Jobs in California (NOW HIRING)

Flex Ltd.

Test Engineer

Fontana, CA · On-site

$65K - $89K/yr

Crown Technical Systems, a Flex Company, is a leader in power distribution and protection systems ... Bachelor's Degree in Electrical Engineering preferred; experience may be substituted for education.

Flex

Lead Engineer

Fontana, CA · On-site

$105K - $144K/yr

Crown Technical Systems, a Flex Company, is a leader in power distribution and protection systems ... Reporting to the Director of Engineering, the Lead Engineer is responsible for overseeing the ...

Flex

Associate Production Supervisor

Milpitas, CA

$17.50 - $22.25/hr

Flex is the diversified manufacturing partner of choice that helps market-leading brands design ... Lead a team of individual professionals (e.g., engineers/officers) to meet quality, cost, delivery ...

Flex

Regional Facilitiies Program Manager

Milpitas, CA · On-site

$153K - $210K/yr

Flex is the diversified manufacturing partner of choice that helps market-leading brands design ... Manufacturing/industrial industry in supply chain, engineering and finance, and operation planning ...

Flex

General Manager /Operations

Milpitas, CA

$212K - $291K/yr

Flex is the diversified manufacturing partner of choice that helps market-leading brands design ... Functional will include, but not be limited to Engineering, Procurement, Materials Management ...

Flex

Associate Production Supervisor

Milpitas, CA · On-site

$17.50 - $22.25/hr

Flex is the diversified manufacturing partner of choice that helps market-leading brands design ... Lead a team of individual professionals (e.g., engineers/officers) to meet quality, cost, delivery ...

Flex

Electrical Test Technician

Fontana, CA

$21.96 - $29.64/hr

Crown Technical Systems, a Flex Company, is a leader in power distribution and protection systems ... Report to the Electrical Engineering Manager, the Electrical Test Technician is responsible for ...

Flex

Associate Production Supervisor

Milpitas, CA · On-site

$17.50 - $22.25/hr

Flex is the diversified manufacturing partner of choice that helps market-leading brands design ... Lead a team of individual professionals (e.g., engineers/officers) to meet quality, cost, delivery ...

Flex

Facilities Director

Milpitas, CA

$176K - $243K/yr

Flex is the diversified manufacturing partner of choice that helps market-leading brands design ... A minimum of 10 years of experience in facilities engineering or related field, including ...

Flex Ltd

Proposal Engineer

Fontana, CA · On-site

$72K - $99K/yr

Crown Technical Systems, a Flex Company, is a leader in power distribution and protection systems ... Train, coach, and develop team members on specific topics related to estimating and engineering ...

Flex

Associate Production Supervisor

Milpitas, CA · On-site

$17.50 - $22.25/hr

Flex is the diversified manufacturing partner of choice that helps market-leading brands design ... Lead a team of individual professionals (e.g., engineers/officers) to meet quality, cost, delivery ...

Flex

Associate Production Supervisor

Milpitas, CA · On-site

$17.50 - $22.25/hr

Flex is the diversified manufacturing partner of choice that helps market-leading brands design ... Lead a team of individual professionals (e.g., engineers/officers) to meet quality, cost, delivery ...

Flex Ltd

Proposal Engineer

Fontana, CA

$72K - $99K/yr

Crown Technical Systems, a Flex Company, is a leader in power distribution and protection systems ... Train, coach, and develop team members on specific topics related to estimating and engineering ...

Flex

Operations Trainer

Milpitas, CA

$24.70 - $33.34/hr

Flex is the diversified manufacturing partner of choice that helps market-leading brands design ... Partner with Engineering, Quality, Safety, and Operations to standardize training practices and ...

Flex Ltd.

Junior Technical Program Manager

Milpitas, CA · On-site

$120K - $165K/yr

... Engineering Relocation: Not eligible Is Sponsorship Available? No Flex is an Equal Opportunity Employer and employment selection decisions are based on merit, qualifications, and abilities. We do not ...

Flex

Operations Trainer

Milpitas, CA · On-site

$24.70 - $33.34/hr

Flex is the diversified manufacturing partner of choice that helps market-leading brands design ... Partner with Engineering, Quality, Safety, and Operations to standardize training practices and ...

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Showing results 41-60

All JobsEngineering JobsFlex Engineering JobsFlex Engineering Jobs in California

Flex Engineering information

See California salary details

$12

$31

$56

How much do flex engineering jobs pay per hour?

As of Aug 17, 2026, the average hourly pay for flex engineering in California is $31.14, according to ZipRecruiter salary data. Most workers in this role earn between $19.90 and $37.50 per hour, depending on experience, location, and employer.

What is flex engineering?

Flex Engineering refers to a multidisciplinary approach to engineering that emphasizes flexibility in both skillsets and work environments. Professionals in Flex Engineering are often capable of working across various engineering domains, such as mechanical, electrical, and software engineering, adapting quickly to new technologies and project requirements. This adaptability allows organizations to respond efficiently to changing market demands and project scopes. Flex Engineers may also work in flexible arrangements, such as remote or hybrid setups, and are valued for their versatility and problem-solving abilities.

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

To excel as a Flex Engineer, you need a strong background in electrical, mechanical, or software engineering principles, often supported by a relevant degree and practical experience in flexible manufacturing or product development. Familiarity with CAD software, programmable logic controllers (PLCs), and agile project management tools is typically required. Excellent problem-solving skills, adaptability, and effective communication set top performers apart in this dynamic role. These competencies are crucial for swiftly addressing engineering challenges, collaborating across teams, and driving innovation in rapidly changing environments.

What are some common challenges flex engineers face when working on cross-functional teams?

Flex Engineers often collaborate with various departments such as product management, design, and QA, which can present challenges in aligning priorities and communication styles. Balancing the needs of multiple stakeholders while ensuring technical feasibility requires strong interpersonal and organizational skills. Flex Engineers must be adaptable, as project requirements may shift quickly, necessitating rapid learning and effective problem-solving. Regular communication and proactive updates help maintain team cohesion and project momentum.

What is the difference between Flex Engineering vs Mechanical Engineering?

AspectFlex EngineeringMechanical Engineering
Required CredentialsBachelor's degree in engineering, certifications in flexible manufacturing or automationBachelor's or higher in mechanical engineering, professional engineer (PE) license often preferred
Work EnvironmentManufacturing plants, automation facilities, flexible production linesDesign offices, manufacturing plants, research labs
Employer & Industry UsageManufacturing companies focusing on flexible, adaptable production systemsBroad industry use including automotive, aerospace, consumer products

Flex Engineering focuses on designing and maintaining flexible manufacturing systems, while Mechanical Engineering covers a broader range of mechanical design, analysis, and manufacturing processes. Both roles require engineering degrees, but Flex Engineers specialize in adaptable production solutions, often working closely with automation and robotics.

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

The most popular types of Engineering jobs in California are:

What are popular job titles related to Flex Engineering jobs in California?

For Flex Engineering jobs in California, the most frequently searched job titles are:

What job categories do people searching Flex Engineering jobs in California look for?

The top searched job categories for Flex Engineering jobs in California are:

What cities in California are hiring for Flex Engineering jobs?

Cities in California with the most Flex Engineering job openings:

Flex Engineering jobs near you
Infographic showing various Flex Engineering job openings in California as of August 2026, with employment types broken down into 94% Full Time, 3% Part Time, 2% Contract, and 1% Nights. Highlights an 85% Physical, 5% Hybrid, and 10% Remote job distribution, with an average salary of $64,765 per year, or $31.1 per hour.

Test Engineer

Flex Ltd.

Fontana, CA • On-site

$65K - $89K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 6 days ago

Job description

Crown Technical Systems, a Flex Company, is a leader in power distribution and protection systems concentrating on sophisticated, state-of-the-art relay and control panels, medium voltage switchgear, and enclosures (power/control buildings/ E-Houses). We specialize in customized, turn-key solutions that ensure safe, secure, and reliable power distribution.
Working at Crown Technical Systems offers a dynamic and rewarding career path for individuals seeking to power the world. Through hands-on training, mentorship, and a culture of internal promotion, we empower you to reach your full potential and contribute to projects that truly matter.
Job Summary
To support our extraordinary teams who build great products and contribute to our growth, we're looking to add a Test Engineer located in Fontana, CA
Reporting to the Electrical Engineering Manager, the Test Engineer will be responsible for fulfilling testing requirements for manufacturing projects while meeting schedule requirements. The Electrical Test Engineer will contribute to the overall testing of manufacturing projects related to relay panels, control buildings, and medium voltage switchgears.
What a typical day looks like:
  • Maintains testing schedule per Crown project schedule and production schedule in partnership with Production Leaders and Engineering Department.
  • Monitors testing status daily; gathers feedback from all test technicians.
  • Reviews project specifications and implement testing procedures to comply with project requirements.
  • Reviews test plans of all projects against schematics with test technicians before submittal.
  • Maintains test folder for all projects with relevant test reports, test drawings, and test pictures.
  • Reviews and maintains testing equipment list with Test Technicians.
  • Creates and maintains test procedures, including testing forms.
  • Performs power testing of protective relay panels, medium voltage switchgear line-ups, test communication, and HMI components on the relay panel. Testing also involves panel boards, automatic transfer switches, fire alarm systems, air conditioning, and other power distribution components.
  • Leads problem-solving initiatives to analyze quality failures and help drive quality improvements (ex. ways to improve the efficiency of testing to reduce the time required).
  • Ensures all team members follow testing standards and safety procedures; promptly report and investigate all quality failure incidents.
  • Works with Lead Engineer and assists with other related project tasks.
  • Perform all other duties, as assigned.

The experience we're looking to add to our team:
  • Bachelor's Degree in Electrical Engineering preferred; experience may be substituted for education.
  • Prior hands-on experience performing AC/DC functional testing on protection relays, MV switchgear, MV breaker, and arc flash.
  • At least 2 to 4 years of related work experience.
  • Knowledge in testing three-phase AC and DC power distribution circuits, including troubleshooting.
  • Ability to follow Crown/Customer testing forms and IEEE guidelines to perform testing.
  • Detail-oriented with excellent problem-solving and analytical skills

JG25
What you'll receive for the great work you provide:
  • Full range of medical, dental, and vision plans
  • Life Insurance
  • Short-term and Long-term Disability
  • Matching 401(k) Contributions
  • Vacation and Paid Sick Time
  • Tuition Reimbursement

Application Deadline:
Applications for this job position will be accepted for at least five days following the job posting start date below and continuing until the end date below or until the position is filled. This posting may close sooner due to application volume.
Job Posting Start Date 08-12-2026 Job Posting End Date 10-16-2026
The base pay range for this position is provided below. The final base rate offered will be determined using job-related, non-discriminatory criteria, including but not limited to experience, qualifications, geographic location, education, external market data, and internal equity.
$65,200.00 USD - $89,600.00 USD Annual
Job Category
Production Engineering
Is Sponsorship Available?
No
Crown is an Equal Opportunity Employer and employment selection decisions are based on merit, qualifications, and abilities. We do not discriminate based on: age, race, religion, color, sex, national origin, marital status, sexual orientation, gender identity, veteran status, disability, pregnancy status, or any other status protected by law. We're happy to provide reasonable accommodations to those with a disability for assistance in the application process. Please email accessibility@flex.com and we'll discuss your specific situation and next steps (NOTE: this email does not accept or consider resumes or applications. This is only for disability assistance. To be considered for a position at Crown, you must complete the application process first).
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About Flex Personnel

Sourced by ZipRecruiter

The Flex Team is made up of Staffing Industry experts committed to serving the needs of businesses and workers by bringing people together. We are guided by our Core values Integrity, Courtesy, and Respect. At Flex we bring Businesses and People together. We carefully assess both the needs of our Business clients and the complete profiles of each candidate, and then make the connections we believe will be most mutually beneficial. With offices in select markets throughout the Country, We are continually expanding our industry reach nationwide.

Industry

Recruiting and staffing services

Company size

11 - 50 Employees

Headquarters location

Dallas, TX, US

Social media

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