Assembly Line Jobs, Employment in Ontario,CA Now Hiring October 2026

Featured Opportunity

DoorDash - Ontario, CA

Delivery Driver - No Experience Needed

OnsiteFlexible Schedule

New, Posted just now

Easy Apply

MEDICAL ASSEMBLY TECHNICIAN

Manpower Group

Irvine, CA 92618

$19.50-$21.06/hr

~ 44 min OnsiteHealth InsuranceRetirement Benefit

$19.50 - $21.06/ HR

Weekly pay

Benefits including 401K, Medical, Vision, and Dental

Medical and Prescription Drug Plans

Dental Plan

Supplemental Life Insurance

Short Term Disability Insurance

401(k)

1st & 2nd (9.80 schedule)

Every other Friday off

Full-time hours

High School Diploma or GED

Ability to pass a background check, drug screen, and basic skills test

Manual dexterity

Assembly experience (preferred but not required)

Willingness to learn and pass job-specific training and certifications

Welder (Tig)

Mee Industries

Irwindale, CA 91706

Apply Directly

Quality Inspector

Luna Innovations

Chino, CA 91710

~ 13 min OnsiteEducation AssistanceHealth InsuranceRetirement Benefit

Competitive compensation

Comprehensive medical, dental, and vision insurance

A company-sponsored 401(k) with employer match.

Tuition assistance

Professional development funding

Support for ASQ certifications and industry training.

Associate's degree or technical certification in Quality, Manufacturing Technology, Engineering Technology, or a related field-or equivalent combination of education and experience.

2-5 years of experience in a manufacturing environment

Proficiency with precision measurement tools including calipers, optical power meters, and digital multimeters.

Ability to read and interpret engineering drawings, GD&T; (Geometric Dimensioning and Tolerancing), and optical specifications.

Experience with non-conformance reporting, material disposition, and corrective action processes.

Proficiency with basic computer applications (Microsoft Office, ERP/MRP systems for quality transactions).

Preferably as a quality inspector in optics, photonics, electronics, or precision instrumentation.

Working knowledge of ISO 9001 and/or AS9100 quality management system requirements.

Familiarity with AS9102 First Article Inspection requirements.

Experience inspecting optical and electronic components or assemblies-lenses, filters, fiber optic connectors, or printed circuit boards.

ASQ Certified Quality Inspector (CQI) or Certified Quality Technician (CQT) certification.

Hands-on calibration experience with optical and electronic measurement equipment.

Exposure to cleanroom or ESD-controlled manufacturing environments.

Apply Directly

68W Combat Medic Specialist - Start Your Career with the US Army

US ARMY

Los Angeles, CA 90011

Paid Relocation to Los Angeles, CA

Urgently HiringEducation AssistanceHealth InsurancePaid Time Off

Hiring bonus opportunities available.

Specialty bonuses available depending on qualifications and position.

Attend a 26-week paid training program to gain skills and certifications in emergency medical care, patient care, instructing medical training, medical equipment operations, patient transportation, and maintaining medical records.

Advanced certifications require additional full funded training programs.

Comprehensive Healthcare, Vision, and Dental plans.

30 days paid vacation.

90 days paid paternity and maternity vacation.

Comprehensive wellness programs including fitness facility access, nutrition consulting, curated fitness plans, and more.

Housing, clothing, and relocation allowance.

Tuition assistance.

Student loan repayment.

Flexible retirement and pension plans

Now Hiring Full and Part Time Positions.

Apply Directly

Quality Inspector

Anduril Industries

Santa Ana, CA 92704

~ 42 min OnsiteHealth Insurance

$31-$40 USD

Highly competitive equity grants are included in the majority of full time offers

Top-tier benefits for full-time employees

Experience with Calibrated equipment (calipers, micrometers, CMM etc.)

Experience reading and interpreting engineering drawings (wire diagrams, work instructions, CAD)

Geometric Dimensioning and Tolerancing (GD&T;) knowledge, understanding dimension and tolerancing

Experience with inspection of machined parts and mechanical assemblies

Experience with inspection of Electrical and Electronic Components (Power Supplies, PCBs, wire-harnesses)

Experience in a facility with AS9100, ISO9001, IATF 16949 or similar QMS standard

Experience with validation and testing assemblies and their components

Experience with communicating with suppliers and cross functional teams

U.S. Person Status is required as this position needs to access controlled data

Technical or Associates degree in related quality/mechanical/aerospace engineering field

3+ years experience in a quality assurance or inspection role in a manufacturing/production setting

IPC-A-610 or IPC-A-620 Certification

Basic knowledge using various measuring tools and hand tools (e.g. tape measure, caliper, micrometer, drivers etc.)

Experience with Manufacturing processes and their related systems (Jira, MES, ERP, Teamcenter, CAD)

Knowledge of First Article Inspection requirements and processes

Able to obtain and maintain an active U.S. Secret security clearance

New, Posted 3 hours ago

Apply Directly

68W Combat Medic Specialist - Paid Training Provided

U.S. Army Reserve

Los Angeles, CA 90011

Paid Relocation to Los Angeles, CA

Urgently HiringEducation AssistanceHealth InsurancePaid Time Off

Paid training program

Hiring bonus opportunities available.

Specialty bonuses available depending on qualifications and position.

Comprehensive Healthcare, Vision, and Dental plans.

30 days paid vacation.

90 days paid paternity and maternity vacation.

Comprehensive wellness programs including fitness facility access, nutrition consulting, curated fitness plans, and more.

Housing, clothing, and relocation allowance.

Tuition assistance.

Student loan repayment.

Flexible retirement and pension plans

Now Hiring Full and Part Time Positions.

Attend a 26-week paid training program to gain skills and certifications in emergency medical care, patient care, instructing medical training, medical equipment operations, patient transportation, and maintaining medical records.

Advanced certifications require additional full funded training programs.

New, Posted 1 day ago

Recommended

iHire

Assembler

PTC Instruments

Los Angeles, CA 90064

Apply Directly

Quality Inspector

Ametek

Baldwin Park, CA 91706

~ 27 min Onsite

Salary Minimum: 50,000

Salary Maximum: 70,000

Understanding and working Knowledge of AS 9100/ISO-9001 quality systems specifications

Blueprint and GD&T; comprehension (ASME Y14.5).

Familiar with solder inspection, crimping, conformal coating, staking, and surface mounted devices in accordance with IPC-J-STD-001, IPC-A-610 standards

Experience in Aerospace and lean manufacturing.

Demonstrated ability and willingness to use AI tools to improve productivity, decision-marking, work quality, and to reduce costs. The successful candidate must be able to identify appropriate AI use cases and critically evaluate AI-generated outputs.

High School Diploma, or GED

5+ years of successful receiving and inspection experience

Proficient in Microsoft Word, Excel, and Internet Explorer

Must read, write, and speak English fluently.

Knowledge of uniPoint software is a plus

Hazardous Material Training is a plus

Apply Directly

QC Inspector

Curtiss-Wright

Brea, CA 92821

~ 26 min OnsitePaid Time OffRetirement Benefit

$20.00 - $30.00

Paid Time Off

401K with Employer Match and Profit Sharing

Health and Wellness Benefits

Learning and Development Opportunities

Referral Program

Recognition

Employee Stock Purchase Plan

High School Diploma or equivalent required.

3+ years of hands-on machine shop inspection experience required.

Knowledge and experience within the field of Quality (ISO, Gage Calibration, Metrology, GD&T;).

Ability to use inspection equipment; such as: Surface Plate, Height Gage, Comparator, Hand tools, Attribute gages, etc.

Ability to perform detailed review of documentation/certification to requirements.

Ability to read and interpret blue prints.

Liquid Penetrant Examination experience

Experience with Keyence measuring equipment

89% of jobs ask for a resume

Don't let the perfect job slip away—upload your resume and we'll personalize your results instantly.

89% of jobs ask for a resume

Don't let the perfect job slip away—upload your resume and we'll personalize your results instantly.

New, Posted 9 hours ago

Recommended

ZipRecruiter

Assembler 2nd Shift

Kelly Services

Irvine, CA 92618

1336 Assembly Line jobs in Ontario,CA

MEDICAL ASSEMBLY TECHNICIAN

$19.50-$21.06/hr

Welder (Tig)

Quality Inspector

68W Combat Medic Specialist - Start Your Career with the US Army

Quality Inspector

68W Combat Medic Specialist - Paid Training Provided

Assembler

Quality Inspector

QC Inspector

89% of jobs ask for a resume

89% of jobs ask for a resume

Assembler 2nd Shift

$22.80/hr

1336 Assembly Line jobs in Ontario,CA

MEDICAL ASSEMBLY TECHNICIAN

$19.50-$21.06/hr

Welder (Tig)

Quality Inspector

68W Combat Medic Specialist - Start Your Career with the US Army

Quality Inspector

68W Combat Medic Specialist - Paid Training Provided

Assembler

Quality Inspector

QC Inspector

89% of jobs ask for a resume

89% of jobs ask for a resume

Assembler 2nd Shift

$22.80/hr

1336 Assembly Line jobs in Ontario,CA

MEDICAL ASSEMBLY TECHNICIAN

$19.50-$21.06/hr

Welder (Tig)

Quality Inspector

PayCompetitive compensationBenefitsComprehensive medical, dental, and vision insuranceBenefitsA company-sponsored 401(k) with employer match

68W Combat Medic Specialist - Start Your Career with the US Army

PayHiring bonus opportunities availablePaySpecialty bonuses available depending on qualifications and positionBenefitsComprehensive Healthcare, Vision, and Dental plans

Quality Inspector

Pay$31-$40 USDPayHighly competitive equity grants are included in the majority of full time offersBenefitsTop-tier benefits for full-time employees

68W Combat Medic Specialist - Paid Training Provided

PayPaid training programPayHiring bonus opportunities availablePaySpecialty bonuses available depending on qualifications and position

Assembler

Quality Inspector

PaySalary Minimum: 50,000PaySalary Maximum: 70,000RequirementsBlueprint and GD&T; comprehension (ASME Y14.5)

QC Inspector

Pay$20.00 - $30.00BenefitsPaid Time OffBenefits401K with Employer Match and Profit Sharing

89% of jobs ask for a resume

89% of jobs ask for a resume

Assembler 2nd Shift

$22.80/hr

1336 Assembly Line jobs in Ontario,CA

MEDICAL ASSEMBLY TECHNICIAN

$19.50-$21.06/hr

Welder (Tig)

Quality Inspector

PayCompetitive compensationBenefitsComprehensive medical, dental, and vision insuranceBenefitsA company-sponsored 401(k) with employer match

68W Combat Medic Specialist - Start Your Career with the US Army

PayHiring bonus opportunities availablePaySpecialty bonuses available depending on qualifications and positionBenefitsComprehensive Healthcare, Vision, and Dental plans

Quality Inspector

Pay$31-$40 USDPayHighly competitive equity grants are included in the majority of full time offersBenefitsTop-tier benefits for full-time employees

68W Combat Medic Specialist - Paid Training Provided

PayPaid training programPayHiring bonus opportunities availablePaySpecialty bonuses available depending on qualifications and position

Assembler

Quality Inspector

PaySalary Minimum: 50,000PaySalary Maximum: 70,000RequirementsBlueprint and GD&T; comprehension (ASME Y14.5)

QC Inspector

Pay$20.00 - $30.00BenefitsPaid Time OffBenefits401K with Employer Match and Profit Sharing

89% of jobs ask for a resume

89% of jobs ask for a resume

Assembler 2nd Shift

$22.80/hr