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 Structural Welder in USA Fontana, Ca.
Report to the Production Manager, Structural Welder, is responsible for welding structural steel (c-channels) to fabricate the framing for sheet metal enclosure buildings using welding equipment and techniques. This position uses the FCAW process.
What a typical day looks like:
- Plans details of work order procedures; gathers required tools and materials based on instructions and specifications provided for the job.
- Lay out, position, align, and secure parts prior to assembly
- Weld structural steel (c-channels) in flat, vertical, or overhead positions using welding techniques and equipment
- Clamp, hold, or tack weld parts to obtain required configurations and positions for welding
- Determine required equipment and welding techniques, applying knowledge of metallurgy, geometry, and welding techniques
- Maintains, organizes, and cleans equipment and the work area.
- Notifies supervisor when faulty equipment or defective materials are discovered.
- Complete all other duties as assigned
The experience we’re looking to add to our team:
- High School Diploma or equivalent
- Completion of a formal apprenticeship OR 2+ years’ experience in dual shield welding process
- Certification required: AWS D1.1 FCAW (Flux Core Arc Welding)
- Reading comprehension skills with the ability to interpret and follow written directions, blueprints, and drawings including weld symbols
- Basic math skills to meet technical specifications and measurements
- Thorough understanding of machines and tools used in welding techniques including designs, uses, maintenance, and repair
- Ability to demonstrate proficiency in the FCAW process for structural welding.
- Ability to read a tape measure.
- Ability to make jigs and setups
- Overhead crane operation a plus
What the physical requirements are:
- Must be able to weld components that are vertical, flat, or overhead.
- Must have enough manual dexterity and stability as required for precision work.
- Must be able to see details at close range.
- Must be able to lift up to 35 pounds at times.
- Must be able to traverse facilities and machinery by climbing, balancing, lifting, walking, stooping, and carrying materials.
- Must wear PPE, such as respirator, welding equipment, 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


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.
$21.96 USD - $29.64 USD Hourly
Job Category
Operations
Is Sponsorship Available?
No
Flex 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).
