Computer assembler Jobs in Rancho Cucamonga, CA

Job Posting Start Date 04-08-2026 Job Posting End Date 06-05-2026

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

At Flex, we welcome people of all backgrounds. Our employees thrive here by living our values: we support each other as we strive to find a better way, we move fast with discipline and purpose, and we do the right thing always.

Through a respectful, inclusive and collaborative culture, a career at Flex offers the opportunity to make a difference, invest in your career growth and join our purpose -- to make great products that create value and improve people's lives.

Job summary:

To support our extraordinary teams who build great products and contribute to our growth, we're looking to add a/an Sheet Metal Assembler located in USA Fontana, Ca.

Reporting to the Production Manager, the Sheet Metal Assembler is responsible for assembling fabricated metal parts for enclosure buildings according to specifications.

What a typical day looks like:

• Review, analyze, and follow various blueprints, diagrams, drawing, procedures, and work instructions to complete enclosure building assemblies
• Assemble sheet metal panels for enclosure building doors, walls, roofs, and trusses
• Uses various power tools and hand tools (ex. Drills, impacts, screwdrivers, grinders, etc.) to accomplish assigned tasks
• Conduct quality assurance checks to confirm that assembled products meet specifications and quality standards
• Identify any product defects; record and report them accordingly
• Monitor and maintain inventory of necessary supplies, tools, and parts in workstation
• Maintain a clean and safe work area
• Perform all other duties as assigned

The experience we're looking to add to our team:

• High School Diploma or equivalent
• Prior experience in assembly
• Prior experience in a manufacturing or construction environment preferred
• Prior experience operating powered equipment (forklift, reach truck, scissors lift, overhead crane, etc.)
• Strong attention to detail and ability to perform work accurately
• Knowledge of manufacturing, equipment maintenance, and safety management
• Reading comprehension skills with the ability to interpret and follow written directions, blueprints, wiring drawings, schematics, and engineering diagrams
• Basic math skills to meet technical specifications and measurements
• Basic understanding of tools (ex. Tape measure, impact drill, etc.)
• Demonstrated proficiency with the ability to safely operate powered equipment (forklift, reach truck, scissors lift, overhead crane, etc.)

What the physical requirements are:

• Prolonged periods of standing, bending, kneeling, and performing repetitive tasks.
• Must be able to lift, push, pull up to 35 pounds at a time.
• Must have manual dexterity in order to assemble products or machines as directed.
• Must have excellent hand-eye coordination.
• Ability to differentiate between colored wires, tabs, and electronic components.
• Must wear PPE, such as gloves, safety glasses, hard hat, and ear protection, while working on the production floor

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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

Pay Range (Applicable to California)

$17.98 USD - $24.27 USD Hourly Job Category Operations

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).