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Patio Quads - General Production
Jeld-Wen, Inc.$23 - $25Full Time
Operate production machines, assemble doors/windows, handle materials, and ensure quality.
Rialto, CA
4 days ago
Onsite
machine operation
door assembly
quality inspection
tape measure
power tools
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General Production - Mirrors
Jeld-Wen, Inc.$23 - $25Full Time
Operate machines, assemble doors/windows, inspect quality, handle and package products.
Rialto, CA
5 days ago
Onsite
machine operation
door assembly
machining
tape measure
overtime
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Tri-Frames General Production
Jeld-Wen, Inc.$23 - $25Full Time
Operate machinery, assemble doors/windows, inspect quality, handle materials.
Rialto, CA
5 days ago
Onsite
machinery operation
assembly line
palletizing
tape measure
power tools
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Compliance Specialist
Crown Technical SystemsEnsures compliance with NERC, UL, state building codes, ISO QMS, and third‑party safety platforms.
Fontana, CA
21 days ago
Office Full-Time
regulatory updates
ul certification
qms maintenance
bachelor's degree
microsoft office
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Cement Lab Intern
CalportlandAssist in cement testing, sample prep, and lab support while learning material analysis.
Jurupa Valley, CA
21 days ago
Onsite
concrete batching
sample analysis
material sampling
microsoft office
attendance
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Cement Lab Intern
CalportlandAssist in cement testing, sample prep, and lab support while learning material analysis.
Jurupa Valley, CA
21 days ago
Onsite
sample analysis
lab support
inventory management
teamwork
driver's license
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Production Trainer
Sterling Engineering$20 - $28Contractor
Develop and deliver training, maintain documentation, ensure safety and quality in production.
Fontana, CA
22 days ago
Onsite
training delivery
process documentation
audit validation
operations
training
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Laboratory Technician
Terracon$19 - $27Full Time
Perform field and lab testing of construction materials, report and maintain data
Colton, CA
24 days ago
Field
safety planning
data accuracy
documentation
safety cert
high school
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PROFESSIONAL INTERNSHIP DEVELOPMENT AGGREGATES
Cemex U.S.10‑week summer internship in aggregate operations focusing on safety, projects, and networking
Rialto, CA
26 days ago
Onsite
skill development
project experience
problem solving
leadership
problem solving
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Production Manager
James Hardie$110K - $135KFull Time
Oversee plant operations, improve processes, safety, quality, and team performance.
Fontana, CA
26 days ago
Onsite
data analysis
safety leadership
lean manufacturing
engineering degree
lean belt
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