Fontana, California, United States · On-site
$18/hr–$25/hr
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 (powe…
Skills: Blueprint Reading, Electrical Component Installation, Power Tool Operation, Quality Assurance, Inventory Monitoring
Fontana, California, United States · On-site
$18/hr–$25/hr
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 (powe…
Skills: Schematic Reading, Electrical Assembly, Wiring Installation, Blueprint Interpretation, Soldering
Fontana, California, United States · On-site
$18/hr–$25/hr
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 (powe…
Skills: MIG Welding, GMAW Process, Blueprint Reading, Metal Fabrication, Technical Drawing
Fontana, California, United States · On-site
$17/hr–$23/hr
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 (powe…
Skills: Grinding, Sanding, Sheet Metal Preparation, Forklift Operation, Basic Math
Fontana, California, United States · On-site
$18/hr–$25/hr
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 (powe…
Skills: MIG Welding, GMAW Process, Blueprint Reading, Metal Fabrication, Technical Drawing
Fontana, California, United States · On-site
At GAF, we cover more than just buildings. We cover each other. Under this roof, you will have the tools and resources you need to grow and develop in your career. You will experience our incredible culture and will be e…
Skills: Industrial Machinery Repair, Troubleshooting, Preventive Maintenance, Lock-out/Tag-out, Forklift Operation
Fontana, California, United States · On-site
$17/hr–$23/hr
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 (powe…
Skills: Grinding, Sanding, Sheet Metal Preparation, Forklift Operation, Basic Math
Fontana, California, United States · On-site
$17/hr–$23/hr
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 (powe…
Skills: Grinding, Sanding, Sheet Metal Preparation, Forklift Operation, Basic Math
Fontana, California, United States · On-site
$18/hr–$25/hr
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 (powe…
Skills: Blueprint Reading, Electrical Component Installation, Power Tool Operation, Quality Assurance, Inventory Management
Fontana, California, United States · On-site
$24/hr–$26/hr
Facility Operator - Working with a tight-knit team to solve the everyday issues of producing high quality asphalt binder. A great company with great pay and benefits. Ergon Asphalt & Emulsions is a relationship-driven co…
Skills: Product Testing, Data Entry, Equipment Maintenance, Quality Control, Loading And Unloading
Fontana, California, United States · On-site
$18/hr–$25/hr
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 (powe…
Skills: Electrical Wiring, Schematic Interpretation, Blueprint Reading, Component Installation, Soldering
Fontana, California, United States · On-site
$18/hr–$25/hr
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 (powe…
Skills: Sheet Metal Assembly, Blueprint Reading, Power Tool Operation, Hand Tool Operation, Quality Assurance
Fontana, California, United States · On-site
$18/hr–$25/hr
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 (powe…
Skills: Electrical Wiring, Schematic Interpretation, Blueprint Reading, Component Installation, Soldering
Fontana, California, United States · On-site
$18/hr–$25/hr
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 (powe…
Skills: MIG Welding, GMAW Process, Blueprint Reading, Metal Fabrication, Technical Drawing
Fontana, California, United States · On-site
$18/hr–$25/hr
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 (powe…
Skills: Blueprint Reading, Electrical Component Installation, Power Tool Operation, Quality Assurance, Inventory Management
Fontana, California, United States · On-site
$18/hr–$25/hr
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 (powe…
Skills: Electrical Wiring, Schematic Interpretation, Blueprint Reading, Component Installation, Soldering
Fontana, California, United States · On-site
$21/hr–$22/hr
Job DetailsJob Location: FONTANA, CA 92337Salary Range: $21.00 - $22.50 HourlyThe Extruder Operator is responsible for operating extrusion lines to manufacture pipe in accordance with established company specifications. …
Skills: Extrusion Machine Operation, Quality Control, Calipers, Micrometers, Forklift Operation
Fontana, California, United States · On-site
$18/hr–$25/hr
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 (powe…
Skills: Sheet Metal Assembly, Blueprint Reading, Power Tool Operation, Hand Tool Operation, Quality Assurance
Fontana, California, United States · On-site
Description Location: Fontana Reports: Alan Veloz Schedule: 4x 10 hour shifts, 3x nights off Pay Rate: $26.00/hr FLSA Status: Non Exempt Travel: Fontana area only Booster is building the frictionless, tech-powered energy…
Skills: Commercial Driving, Fuel Delivery, Hazardous Materials Handling, Tanker Operation, Spill Mitigation
Fontana, California, United States · On-site
#Indeed About Us: As a company, we promote a culture of honesty and integrity, and value the trust it allows us to build with customers and employees alike. Our focus on our people is what sets us apart and keeps our cus…
Skills: Forklift Operation, Pallet Jack Operation, RF Scan Gun, Material Handling, Inventory Management
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Responsible for assembling fabricated metal parts for enclosure buildings according to technical specifications and blueprints. Tasks include installing electrical components, HVAC units, and battery systems using various hand and power tools.
Requires a high school diploma and 2-4 years of experience in an assembly or manufacturing setting. Candidates must be proficient in operating powered equipment and have the physical ability to lift up to 35 pounds.
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.
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 an Building Assembler in USA Fontana, Ca.
Report to the Production Manager, the Building Assembler, responsible for assembling fabricated metal parts for enclosure buildings according to specifications.
What a typical day looks like:
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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 07-17-2026 Job Posting End Date 09-18-2026

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 HourlyIs Sponsorship Available?
NoCrown 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).
At Anord Mardix we lead through engineering excellence and re-define the architecture of critical power infrastructure.
Anord Mardix, a Flex company, is the global leader in critical power distribution and protection. We lead through engineering excellence, driving quality, sustainability and innovation through our comprehensive product range and service offering. We work with our clients to build relationships focused on bespoke end-to-end solutions, unrivalled in the critical power industry. Our operational and manufacturing facilities reach globally across North America, Europe and Asia Pacific employing over 1,000 highly skilled people in a comprehensive and diverse range of roles. We have the strongest leadership team in the industry, driving progress, encouraging curiosity and empowering our employees to reach their full potential. From a story founded by two family-owned business, to now operating as a Flex-owned company. Anord Mardix has seen rapid growth as it now leads the critical power industry. Acquired in 2021, Anord Mardix is part of the Industrial business unit of Flex a $24 billion diversified manufacturer with more than 160,000 employees worldwide. Offering a strong balance sheet, a worldwide supply chain and extensive distribution network, Flex’s 100 manufacturing sites across 30 countries, allow Anord Mardix to leverage unparalleled scalability, growth and reliability. We invest in resources; people, machinery, facilities and innovation. In tomorrow’s world, Anord Mardix will shape the infrastructure essential to all forms of digital development.
Offices: Unit 17 Northlink Business Park, Coes Road East, Dundalk, Ireland A91 V9VX, IE · Castle Mills, Aynam Road, Kendal, Cumbria LA9 7DE, GB · 2704 Seven Hills Blvd, Henrico, Virginia 23231, US · Sigma Park, Roman Road,, Blackburn, BB1 2BT, GB · 365 Four Oaks Road, Walton Summit Centre, Preston, PR5 8AP, GB
There are currently 238 open trades positions in Fontana, CA listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include Flex, Crown Technical Systems, Anord Mardix, Cushman & Wakefield, NRI 3PL, among others. Browse the listings above to see every active employer.
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.
