Computer assembler Jobs in Fontana, CA

Flex is the diversified manufacturing partner of choice that helps market-leading brands design, build and deliver innovative products that improve the world.A career at Flex offers the opportunity to make a difference and invest in your growth in a respectful, inclusive, and collaborative environment. If you are excited about a role but don't meet every bullet point, we encourage you to apply and join us to create the extraordinary.

Job Summary

Flex intends to spin off its Cloud and Power Infrastructure segment into a new, independent publicly traded company, Axiom, with the spin planned for Q1 2027. If the intended spin occurs, this role will support Axiom, a company focused on critical digital infrastructure and delivering end-to-end power and thermal management solutions for AI data centers and other mission-critical applications.

To support our extraordinary teams who build great products and contribute to our growth, we’re looking to add an Mechanical Assembler in USA Fontana, Ca.

Report to the Production Manager, Mechanical 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
• 2-4 years of related experience in assembly, construction, or manufacturing setting
• 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

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 09-15-2026 Job Posting End Date 10-23-2026

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.

$18.59 USD - $25.10 USD Hourly

Job Category

Operations

Is Sponsorship Available?

NoFlex 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 Flex, you must complete the application process first).