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257 Machine Builder jobs in Ontario,CA

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Assembler - Hiring Now

General Micro Systems

Rancho Cucamonga, CA 91739

~ 16 min OnsiteEducation AssistanceHealth InsurancePaid Time Off

In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form upon hire.
Post-offer applicants must pass a drug screen test.
Limited travel required
If required, you must pass a background check and/or have the ability to obtain and maintain security clearance.
Must be a US Citizen, Permanent US Resident, or currently authorized to work in the US on a full-time basis without current or future employment sponsorship.
Minimum High School diploma or general education degree (GED)
Experienced and familiar with electro-mechanical assembly processes and associated tools/instruments
Must have experience reading assembly drawings/diagrams and completing work to specifications
Must be able to work on site the standard 8 AM-5 PM, Monday - Friday schedule and overtime as required
Minimum of 6 months hands-on assembly experience
Must report to work at the scheduled time and maintain satisfactory attendance with limited unscheduled absences
Lift up to 30 lbs.

SmartExplore AI is experimental.

New, Posted 22 hours ago

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Production Technician

Anheuser-Busch

Jurupa Valley, CA 92509

$33.83/hr

~ 21 min OnsiteHealth InsuranceRetirement Benefit

Superior work history, including good attendance
High School Diploma or GED
Knowledge of safety policies and procedures
Proficient in mechanical troubleshooting
1-3 years of industrial experience
Able and willing to work a rotating 12-hour and other alternate work schedule, including day and night shift rotations, and required weekend and holiday hours
Able and willing to work mandatory overtime as required

SmartExplore AI is experimental.

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Machine Operator II

Refresco Beverages Us

Fontana, CA 92337

$18.98-$26.10/hr

~ 19 min OnsiteHealth InsurancePaid Time OffRetirement Benefit

Ability to independently and efficiently operate and troubleshoot required manufacturing equipment.
High School or better
1 - 3 years: Experience in food and beverage or industrial manufacturing maintenance required
Skill in understanding and interpreting gauges, thermometers, and weight measurements.
High School Certification or equivalent.
Demonstrates the ability to gain a firm understanding of production machinery/forklifts, including an awareness of technical issues.
Ability to work quickly and accurately under pressure.
Forklift certification may be required.
Experience in a high-speed beverage production environment required.
Adeptness in basic mathematical abilities.

SmartExplore AI is experimental.

New, Posted 1 day ago

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Forge Helper II

Manpower Group

Rancho Cucamonga, CA 91730

$22/hr

~ 16 min OnsiteHealth InsuranceRetirement Benefit

High school diploma or equivalent with at least three years of related experience or training
Basic understanding of forging processes and procedures
Ability to operate forklift and other industrial equipment
Physical capability to stand, walk quickly, lift up to 50 pounds, and work in a hot environment
Ability to follow directions accurately from supervisors and blacksmiths

SmartExplore AI is experimental.

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3D Print Technician

Keysight Technologies

Ontario, CA

Onsite

Candidates who wish to be considered must be currently enrolled in an accredited college/university as of September 2026.
Applicants who have graduated before September 2026 will not be considered unless they are starting a MS or PHD program after graduating.
Mechanical aptitude and strong attention to detail
High school diploma or equivalent
Experience with Corel Draw design software.
Experience with 3D printing technologies and materials
Visa Sponsorship is not available for this position.
3D Print Technician
Manual dexterity for handling small parts and tools
Ability to lift up to 40 lbs.
Familiarity with slicing software (e.g. Bambu Labs)
Ability to troubleshoot technical issues
Essentials: Experience with Bambu H2D, H2C and H2S printers.

SmartExplore AI is experimental.

New, Posted 1 day ago

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Warehouse Worker - Receiving

Bunzl

Anaheim, CA 92808

~ 37 min OnsiteRetirement Benefit

Utilize an industrial forklift (certification not required)
Utilize an on-board computer and wireless radio frequency system
Must be able to work regularly at a height of up to 26 feet above the ground (with provided safety equipment/processes/training)
Must be able to lift heavy objects (occasionally between 60-75 lbs.) with or without reasonable accommodation for an entire shift
Overtime is required based on business demands, sometimes on short notice

SmartExplore AI is experimental.

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CNC Grinder 2

Integrated Polymer Solutions

Ontario, CA 91761

OnsiteHealth InsuranceRetirement Benefit

High School degree or GED equivalent
Excellent close and distant vision.
This position requires access to information subject to the International Traffic in Arms Regulations (ITAR). Employment is contingent upon the applicant being a "U.S. person" as defined by ITAR (22 CFR §120.15), which includes U.S. citizens, lawful permanent residents, refugees, or asylees, as required by U.S. export control laws.
Ability to lift and manipulate 40 lbs.
Minimum of 2+ years experience working in a manufacturing environment and/or with machine experience
Ability to stand 8 hours plus per workday.

SmartExplore AI is experimental.

New, Posted 1 day ago

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Production Technician

Eaton Aerospace

Fontana, CA 92335

$22/hr

~ 19 min OnsiteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

Only candidates that currently reside within 50 miles of the work location will be considered.
No relocation benefit is being offered for this position.
Minimum one year of experience in an assembly related role with the use of hand and/or power tools (experience in automotive repairs, construction, carpentry, or other assembly type environments will be considered)
Must be able to interact and contribute in a small team environment and ability to flex according to production demands.
Must be able to communicate effectively in all written and verbal formats (speech, writing, reading).
Actively participate in health and safety training and demonstrate competency based on training received.
Active-Duty Military Service member candidates are exempt from the geographical area limitation.
Attend and actively participate in site meetings and trainings
Completion of a one-year Technical School diploma from an accredited institution
Must be able to work overtime as required.
Keep yourself and teammates aware of health and safety practices and activities by actively observing fellow employee work practices and incorporating safety.
Lift 35lbs. on a regular basis.
Ability to follow manufacturing drawings and instructions.

SmartExplore AI is experimental.

New, Posted 18 hours ago

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