338 Results for

1st Shift Manufacturing Jobs in Westchester, CA

Jobs

New!

El Monte, CA4 days ago

$38–$50 Per Hour

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Our operation is built around precision, efficiency, and cross-functional teamwork between production, engineering, and assembly to ensure high-quality output and on-time delivery.

New!

Los Angeles, CA4 days ago

$35–$45 Per Hour

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.

New!

El Monte, CA4 days ago

$24–$30 Per Hour

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. JOB DUTIES: - Perform high-quality TIG welding on thin gauge sheet metal components with strong control of heat input and weld consistency.

New!

Santa Ana, CA4 days ago

$150,000–$180,000 Per Year

This company specializes in the design, fabrication, and testing of a wide range of products, including large, complex composite and metal-bonded assemblies, delivering proven quality and innovation across critical sectors. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

New!

Brea, CA4 days ago

$100,000–$110,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. With advanced capabilities across silicone sealants and insulation components, our client operates from a modern California facility and serves a broad and critical customer base, while fostering innovation, craftsmanship, and continuous growth.

New!

Santa Ana, CA4 days ago

$100,000–$130,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We partner closely with highly regulated industries to design, industrialize, and produce mission-critical products where performance, consistency, and quality are paramount.

El Segundo, CA11 days ago

Perform dimensional inspections using calipers, micrometers, height gages, optical comparator, surface plates, etc. • Prepare reject reports and maintain inspection/vendor records.

New!

Newport Beach, CA4 days ago

$18–$18 Per Hour

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.

New!

Torrance, CAToday

$90,000–$100,000 Per Year

Join a stable and growing aerospace manufacturer as a hands-on Manufacturing Engineer where you’ll drive real impact on precision production, lead continuous improvement initiatives, and work with cutting-edge processes in a high-performance, re. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

New!

Whittier, CAToday

$60,000–$70,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We are seeking a versatile Production Control Manager / Manufacturing Engineer with strong experience in machine shop and aerospace manufacturing environments.

New!

Costa Mesa, CA2 days ago

$25–$35 Per Hour

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.

New!

Newport Beach, CA4 days ago

$20–$22 Per Hour

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.

New!

Newport Beach, CA4 days ago

$18–$18 Per Hour

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.

New!

South El Monte, CA4 days ago

$45–$52 Per Hour

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Join an established precision manufacturing company serving highly regulated industries has an immediate full‑time opening for an experienced CNC Programmer.

New!

Huntington Beach, CA4 days ago

$30–$40 Per Hour

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Job Requirements: Read and interpret drawings, setup sheets, work instructions, and tool lists to determine machining processes, setups, and specifications.

New!

Gardena, CA4 days ago

$110,000–$115,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Join an established precision manufacturing company serving highly regulated industries has an immediate full‑time opening for an experienced CNC Programmer.

New!

Vernon, CA4 days ago

$85,000–$100,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. This role ensures efficient use of materials and resources, maintains product quality, and aligns production output with customer demand while minimizing waste and operational costs.

New!

Anaheim, CA4 days ago

$25–$28 Per Hour

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Job Requirements: Read and interpret drawings, setup sheets, work instructions, and tool lists to determine machining processes, setups, and specifications.

New!

Brea, CA4 days ago

$30–$40 Per Hour

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Join an established precision manufacturing company serving highly regulated industries has an immediate full‑time opening for an experienced CNC Machinist.

New!

Anaheim, CA4 days ago

$35–$45 Per Hour

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.

New!

Anaheim, CA4 days ago

$25–$30 Per Hour

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Job Requirements: Set up, operate, and monitor CNC mills, lathes, and Swiss‑type machines according to daily production schedules, including equipment running Fanuc, Okuma, and Citizen controls.

New!

Anaheim, CA4 days ago

$40–$45 Per Hour

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Join an established precision manufacturing company serving highly regulated industries has an immediate full‑time opening for an experienced CNC Machinist.

New!

Newport Beach, CA4 days ago

$25–$35 Per Hour

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.

New!

Newport Beach, CA4 days ago

$25–$35 Per Hour

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.

New!

Garden Grove, CA4 days ago

$20–$35 Per Hour

With a focus on overcoming the unique challenges of low-volume runs, our reputation is built on our ability to respond quickly and effectively to complex production and cost challenges, ensuring sustainable growth and excellence in industrial manufacturing. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

New!

Chatsworth, CA4 days ago

$24–$30 Per Hour

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Candidates must have hands‑on experience compounding liquid products in industries such as pharmaceuticals, chemicals, cosmetics, or other GMP‑driven manufacturing environments.

Anaheim, CA11 days ago

Temporary

Run multiple CNC drilling machines to produce precision holes in PCB panelsâsetup, load programs, align panels, inspect work, and keep equipment running smoothly. Prepare and evaluate microsections for in-process and final quality checks, including sample prep, thermal stress testing, cross-section evaluation, reporting, and traceability.

Cypress, CA30+ days ago

The ideal candidate for this role will have: No prior experience requiredtraining will be provided, but warehouse, manufacturing, or packing experience is a plus. As a Production Associate Level 1, you will support daily manufacturing operations by efficiently packing, inspecting, and preparing products for shipment.

Costa Mesa, CA30+ days ago

$43,680–$54,080 Per Year

Recognized as a technology leader, Sanmina Corporation provides end-to-end manufacturing solutions, delivering superior quality and support to Original Equipment Manufacturers (OEMs) primarily in the communications networks, defense and aerospace, industrial and semiconductor systems, medical, multimedia, computing and storage, automotive and clean technology sectors. The total rewards package also includes a variety of benefits, including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business and, depending on the role, may include eligibility for restricted stock unit awards and participation in a discretionary bonus program.

New!

South Gate, CA6 days ago

$18–$35 Per Hour

We also manufacture extruded seamless pipe, fittings, and forgings for power generation and oil & gas applications; commercial and military airframe aerostructures; and metal alloys and other materials for the casting and forging industries. is the market leader in manufacturing large, complex structural investment castings, airfoil castings, forged components, aerostructures and highly engineered, critical fasteners for aerospace applications.

New!

Irvine, CA6 days ago

$23.50–$36.25 Per Hour

PCC Fasteners offers comprehensive product lines that cover virtually every aerospace fastening application; we produce fasteners, precision components, tooling, and engineered system solutions for the automotive, defense, industrial machinery, and other performance-driven markets. Headquartered in Irvine, CA, Shur-Lok manufactures fastening systems with superior locking devices for critical requirements, including engine module assembly, structural assembly, rotor blade attachment, and aircraft engine shaft and spindle applications.

New!

Los Angeles, CA3 days ago

$18.50–$19.50 Per Hour

Education, Licenses, Certifications, Experiences: High School Diploma or GED equivalency; or six-months to one-year related experience in a manufacturing environment and/or training; or equivalent combination of education and experience, preferred . Communication Skills: Ability to read and understand corporate policies, job-related documents, and written/verbal instructions in English to ensure effective and compliant job performance.

New!

Chatsworth, CA3 days ago

Hubbell Utility Solutions (HUS) enable the grid to conduct, communicate and control energy across utility applications and Hubbell Electrical Solutions (HES) are essential to managing power across a wide range of industries and applications. Founded in 1888 our innovation has made us a leading global manufacturer of high quality electrical and utility solutions enabling customers to operate critical infrastructure reliably and efficiently.

Santa Ana, CA15 days ago

$17.50–$20.50 Per Hour

Our Human Resources Team will contact applicants who meet the selection criteria and best match the qualifications for an open position, either by phone or email. If your skills and experience align with our current hiring needs, we will contact you regarding the next steps in the recruitment process.

New!

Fullerton, CA4 days ago

Remote

$23.86–$40.57 Per Hour

To learn more about the way Howmet Aerospace Inc. is advancing the sustainability of our customers, markets, and communities where we operate, review the 2025 Environmental Social and Governance report at www.howmet.com/esg-report. Conduct set-up with the aide/guidance of other experienced operators, operate various production machines and performs light bench, hand and assembly operations in the department to which assigned.

Santa Ana, CA30+ days ago

$19–$24 Per Hour

Prepare and review reports, records, and directives, and confer with managers/supervisors to obtain data required for planning activities, such as new commitments, status of work in progress, and problems encountered. Assists by providing direction for the manufacturing associates/department, including safety, morale, production schedule attainment, quality, and enforcing company policies and procedures.

Cypress, CA16 days ago

Review completed device manufacturing records and work orders, identify and correct errors, and submit finished documentation for quality release. Experience from any assembly field (aerospace, technical, medical, manufacturing, etc.) is welcome!

New!

Garden Grove, CA3 days ago

$23.63–$29.60 Per Hour

The CNC Machinist II utilizes both analytical and technical skills to maximize efficiency through the operation of CNC lathe and mill machines for manufacturing various fittings, special products, and new/revised parts. Experience: Minimum 3+ years combined technical education and CNC machining experience; advanced CNC operation knowledge preferred.

Santa Ana, CA30+ days ago

$24–$28 Per Hour

The Warehouse Driver (Class A California Commercial Driver’s License (CDL)) is responsible for the delivery and pick-up of materials from and to all facilities as needed, and performing warehouse functions as required. Mobility sufficient to safely move, walk, stoop, bend and kneel, and enter, exit and operate a motor vehicle in the course of travel.

El Segundo, CA30+ days ago

Perform dimensional inspections using calipers, micrometers, height gages, optical comparator, surface plates, etc. Prepare reject reports and maintain inspection/vendor records.

GARDEN GROVE, CA30+ days ago

$30–$38 Per Hour

Within Mobility, our teams design and engineer critical, high-performance materials and proven solutions – most in challenging conditions and core systems that play an important part of our daily lives – as we drive to work or with family, fly on an airplane to explore the world, process samples for medical research, build a better rocket to go as far as we can in outer space; and dive deep under the sea to power our world. With a legacy dating back more than 360 years, Saint-Gobain offers employees the stability and security of a leading Global 500 corporation while operating like multiple small and agile start-ups, where entrepreneurial spirit, pioneering teamwork, and bold, forward-thinking ideas pave new paths.

New!

Fullerton, CA3 days ago

$23.86–$40.57 Per Hour

Brea, CA30+ days ago

$40–$50
Full-time

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Join an established precision manufacturing company serving highly regulated industries has an immediate full‑time opening for an experienced CNC Machinist.

Simi Valley, CA10 days ago

$38–$40 Per Hour

Creates, upgrades, monitors, and maintains a variety of complex production tools, equipment, and limited infrastructure Responsibilities: * Provides expertise in developing new engineering solutions to improve the manufacture of new and existing Client products. * Scheduled performance reviews * Referral program Job Description Manufacturing Engineering Technician III * Manufacturing Engineer Technician would provide their expertise in improving the manufacturing capabilities to produce products.

Brea, California30+ days ago

$20–$22 Per Hour

The SMT Operator plays a key role in the PCB assembly process, ensuring high-quality, reliable builds while maintaining safety and efficiency. Follow proper procedures for handling and disposing of leaded and non-leaded solder, especially for Jade and Wave machines.

Santa Ana, CA30+ days ago

The ideal candidate will have experience in food manufacturing, a strong understanding of GMP (Good Manufacturing Practices), and the ability to effectively communicate and coordinate with cross-functional teams. Our client located in Santa Ana is a fast-growing food manufacturing company dedicated to producing high-quality, safe, and delicious products.

New!

Santa Ana, CA5 days ago

$24–$32 Per Hour

Consistent with ITAR, any position at APP, Inc. that involves work with the engineering or manufacturing functions of the Company may only be filled by a candidate who is (i) a citizen of the United States, or (ii) a person who has been accorded the privilege of residing permanently in the United States as an immigrant in accordance with the immigration laws. An employee's pay within the salary range will be based on several factors including, but limited to, relevant education, qualifications, certifications, experience, skills, seniority, geographic location, performance, and business or organizational needs.

New!

Santa Ana, CA6 days ago

$24–$32 Per Hour

Los Angeles, CA30+ days ago

$18.50–$21 Per Hour

Job Types: Assembly, Distribution, Equipment Operator, Food Production, Forklift Operator, General Labor, General Production, General Warehouse, Machine Operator, Machine Packaging, Manufacturing, Material Handler, Picker/Packer, Production, Shipping and Receiving, Warehouse, Heavy Equipment Operator. When a specific position becomes available that might be a good fit for you, you may be contacted and provided with additional details about that specific role including job details, required qualifications, and salary and benefits information.

Santa Ana, CA30+ days ago

Full-time

The primary function of a Mixer is to combine raw ingredients from silos, bulk bins and scaled ingredients into the mixer following a predetermined formula to produce consistent batches of dough delivered timely to the processing line. Meiji America Inc., founded in 2011, as the United States division distributes Meiji branded confections as well as Stauffer’s branded cookies and crackers in the US market.

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1st Shift Manufacturing Jobs in Westchester, CA

CNC Programmer (1st Shift) Jobot

Maintenance Mechanic (1st shift) Jobot

Senior TIG Welder (1st and 2nd Shifts!) Jobot

Senior Manufacturing Engineer - Composites Jobot

Manufacturing Engineer Jobot

Senior Manufacturing Engineer Jobot

Quality Control Inspector â 1st Shift Kinetic Personnel Group

Manufacturing Helper Jobot

Manufacturing Engineer (Aerospace) Jobot

Production Control Jobot

Coating Production Lead Jobot

Production Coordinator Jobot

Production Helper Jobot

CNC Programmer-LA Jobot

CNC Machinist Jobot

CNC Programmer-Gardena, CA Jobot

Senior Production Planner Manager- In OffIce Jobot

CNC Operator Jobot

CNC Machinist (Mill)- 5Axis Jobot

CMM Programmer Jobot

CNC Lathe Operator Jobot

CNC Machinist-5 axis Jobot

Quality Control Lead(Aerospace) Jobot

QC Lead(Aerospace) Jobot

Machinist & Machine Operators Jobot

Liquid Compounder Jobot

Production Operators Kinetic Personnel Group

Manufacturing Packer | 1st shift | Mon - Thurs | 836102 Helpmates

Manufacturing Equipment Maintenance Technician - 1st Shift - (106322) Sanmina

Quality Inspector Level 1 (1st Shift) Precision Castparts

Davenport Screw Machinist - 1st Shift Precision Castparts

Sperry: Assistant Bindery Production Operator - 1st Shift 4over

Production Supervisor (1st Shift - 6am-2:30pm) - Chatsworth, CA Hubbell Power Systems

General Labor - 1st shift Production Robinson Pharma

Machining Tech V, Crimper- 1st Shift Howmet Corporation

Production Assistant (Gummy Dept - 1st shift) Robinson Pharma

Assembly - 1st Shift Marquee Staffing

CNC Lathe Machinist II - 1st Shift Key Skilled Personnel

Warehouse Driver (Class A - CDL) - (1st shift - 7:00am - 3:30pm) Robinson Pharma

Quality Control Inspector  1st Shift Kinetic Personnel Group, Inc.

CNC Machinist 3, Manufacturing - Life Sciences Saint-Gobain

Machining Tech V, Crimper- 1st Shift Howmet Aerospace

CNC Machinist-1st shift Jobot

Manufacturing Engineering Technician III Belcan

SMT Operator - 1st Shift Alicia Corona

1St Shift Lead Product Coordinator (ID #485560) Partners Personnel

CNC Machinist Level III - 1st Shift Aluminum Precision

CNC Machinist Level III - 1st Shift Aluminium Precision Products

Light Industrial Talent Community - Warehouse, Production, Manufacturing Staff Management Solutions, LLC

Mixer for Food Manufacturer 1st and 3rd shift. Monday to Friday. Weekends available Meiji America

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