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Assembly Line Jobs in Rialto, CA (NOW HIRING)

Aerotek

Assembler

Riverside, CA

$19/hr

Job Title: Manufacturing Assembly Associate - Shock Production Line Join a shock assembly plant that builds suspension shocks used in a wide range of recreational vehicles, including ATVs ...

Polaris, Inc.

Lead, Assembly

Riverside, CA · On-site

$20 - $23/hr

Polaris' high-quality product line-up includes the Polaris RANGER ® , RZR ® and Polaris GENERAL™ side-by-side off-road vehicles; Sportsman ® all-terrain off-road vehicles; military and ...

Randstad

Assembler - Now Hiring

Riverside, CA · On-site

$18 - $19/hr

Your responsibilities: - High-volume assembly: execute repetitive, high-speed assembly line tasks to meet demanding daily production quotas and throughput goals. - Machine tending: operate and tend ...

Capstone Logistics

Warehouse Associate

Victorville, CA

$17.25/hr

Associates will be expected to stand on an assembly line for the entire shift. Depending on where an associate is located on the assembly line they could be asked to load the line with material, glue ...

Capstone Logistics

Warehouse Associate

Victorville, CA · On-site

$17.25/hr

Associates will be expected to stand on an assembly line for the entire shift. Depending on where an associate is located on the assembly line they could be asked to load the line with material, glue ...

Capstone Logistics

Warehouse Associate

Victorville, CA · On-site

$17.25/hr

Associates will be expected to stand on an assembly line for the entire shift. Depending on where an associate is located on the assembly line they could be asked to load the line with material, glue ...

Waev, Inc.

Manufacturing Mechanical Engineer

Anaheim, CA · On-site

$80 - $110/hr

Identify, design, and implement assembly line efficiency improvements - reducing cycle time, cutting waste, and removing bottlenecks. * Design, build, and maintain kanban systems that keep material ...

Laborup

Aerospace Assembly Technician

Anaheim, CA · On-site

$75K/yr

Blueprint-driven structural assembly, not repetitive line work * High-impact work: Assemblies that go into high-stakes aerospace and defense sub-systems * Financial impact: 45-hour weeks + additional ...

Laborup

Aerospace Assembly Technician

Anaheim, CA · On-site

$75K/yr

Blueprint-driven structural assembly, not repetitive line work * High-impact work: Assemblies that go into high-stakes aerospace and defense sub-systems * Financial impact: 45-hour weeks + additional ...

DEL AMO MOTORSPORTS GROUP

Assembly Worker

Victorville, CA · On-site

$19 - $20/hr

Look no further than Del Amo Motorsports, SoCal's premier Multi-Line Powersports Dealership Group ... Del Amo Motorsports Group is looking to hire assembly workers at our brand-new Victorville location.

Laborup

Aerospace Assembly Technician

Anaheim, CA

$75K/yr

Blueprint-driven structural assembly, not repetitive line work * High-impact work: Assemblies that go into high-stakes aerospace and defense sub-systems * Financial impact: 45-hour weeks + additional ...

Laborup

Aerospace Assembly Technician

Anaheim, CA · On-site

$75K/yr

Blueprint-driven structural assembly, not repetitive line work * High-impact work: Assemblies that go into high-stakes aerospace and defense sub-systems * Financial impact: 45-hour weeks + additional ...

F&S PRODUCE WEST LLC

Production Associate

Riverside, CA

$17 - $19/hr

Responsible for routine preparation, slicing, dicing, production, assembly line and packing tasks. Participates and assists with tasks that may include setup, startup, production, loading, labeling ...

F & S Produce Company

Production Associate

Riverside, CA · On-site

$17 - $20/hr

Responsible for routine preparation, slicing, dicing, production, assembly line and packing tasks. Participates and assists with tasks that may include setup, startup, production, loading, labeling ...

F&S Fresh Foods

Production Associate

Riverside, CA

$17 - $20/hr

Responsible for routine preparation, slicing, dicing, production, assembly line and packing tasks. Participates and assists with tasks that may include setup, startup, production, loading, labeling ...

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Assembly Line information

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How much do assembly line jobs pay per hour?

As of Aug 25, 2026, the average hourly pay for assembly line in Rialto, CA is $15.65, according to ZipRecruiter salary data. Most workers in this role earn between $13.99 and $17.36 per hour, depending on experience, location, and employer.

What does an assembly line worker do?

Assembly line workers are employees who perform specific tasks in the manufacturing process, often as part of a team. Their main responsibility is to assemble parts or products in a sequential manner, following strict quality and safety standards. They may operate machinery, use hand tools, and inspect components for defects. Assembly line work typically requires attention to detail, manual dexterity, and the ability to work efficiently under time constraints. These workers are essential for mass production in industries such as automotive, electronics, and consumer goods.

What are the key skills and qualifications needed to thrive as an assembly line worker?

To thrive as an Assembly Line Worker, you need manual dexterity, attention to detail, the ability to follow instructions, and typically a high school diploma or equivalent. Familiarity with manufacturing equipment, safety protocols, and sometimes experience with automated assembly systems are important technical qualifications. Strong teamwork, reliability, and a focus on quality help individuals excel in this role. These skills ensure efficient production, minimize errors, and maintain workplace safety in a fast-paced manufacturing environment.

What are some common challenges faced by assembly line workers, and how can they be managed?

Assembly line workers often face challenges such as repetitive motion, maintaining high levels of focus, and meeting production quotas under time constraints. To manage these, many employers provide ergonomic equipment, regular breaks, and safety training. Workers can also benefit from developing strong communication skills to coordinate with team members and supervisors. Staying proactive about personal health and communicating any concerns early helps ensure a safer and more efficient work environment.

What is the difference between Assembly Line vs Machine Operator?

AspectAssembly LineMachine Operator
Required CredentialsHigh school diploma or equivalent; training providedHigh school diploma; technical training or certification often preferred
Work EnvironmentFactories, manufacturing plants, assembly stationsFactories, manufacturing plants, equipment-focused settings
Industry UsageManufacturing, automotive, electronicsManufacturing, machinery, electronics
Job FocusAssembling products on a production lineOperating and maintaining machinery

Assembly Line workers focus on assembling products along a production line, while Machine Operators specialize in operating and maintaining specific machinery. Both roles are essential in manufacturing environments and often require similar certifications and work settings, but their job functions differ significantly.

Do assembly line jobs still exist?

Yes, assembly line jobs still exist and are common in manufacturing industries such as automotive, electronics, and consumer goods. These roles typically involve operating machinery, assembling products, and following safety protocols, often requiring skills in machinery operation and quality control.

What are popular job titles related to Assembly Line jobs in Rialto, CA?

For Assembly Line jobs in Rialto, CA, the most frequently searched job titles are:

What job categories do people searching Assembly Line jobs in Rialto, CA look for?

The top searched job categories for Assembly Line jobs in Rialto, CA are:

What cities near Rialto, CA are hiring for Assembly Line jobs?

Cities near Rialto, CA with the most Assembly Line job openings:

Assembly Line jobs near you
Infographic showing various Assembly Line job openings in Rialto, CA as of August 2026, with employment types broken down into 1% As Needed, 78% Full Time, 16% Part Time, 4% Contract, and 1% Nights. Highlights an 93% Physical, 3% Hybrid, and 4% Remote job distribution, with an average salary of $32,559 per year, or $15.7 per hour.

Senior Manufacturing Manager - Truck Upfit

Fontana, CA • On-site

ZM Trucks
See more jobs at ZM Trucksexternal

Full-time

Re-posted 21 days ago

Job description

About ZO Motors North America LLC
ZM Trucks is a trusted leader in commercial vehicles, specializing in durable and high-performance trucks for a wide range of industries. We design and manufacture vehicles that excel in both reliability and fuel efficiency, offering solutions for cargo transport, construction, logistics, and more.
Focused on innovation and customer satisfaction, we provide not only top-quality trucks but also exceptional after-sales support to keep fleets running smoothly. With a commitment to performance, safety, and efficiency, ZM Trucks is dedicated to driving success for businesses worldwide.
About the role
We are seeking an experienced Senior Manufacturing Manager - Truck Upfit to lead the development and operation of our truck upfit assembly line while supporting upfit manufacturing engineering activities within our manufacturing operations.
This role will be responsible for upfit assembly line planning, manufacturing process development, tooling and equipment selection, and production process optimization. The position will also oversee manufacturing engineering activities supporting upfit assembly operations.
The ideal candidate will have hands-on experience in commercial vehicle manufacturing, truck body installation (upfit), or automotive assembly operations, and will play a key role in building efficient and scalable manufacturing processes.
What you'll do
Upfit Assembly Line Development
  • Lead the design and implementation of the truck upfit assembly line
  • Define production layout, workstation design, and material flow
  • Develop assembly processes and installation procedures for upfit
  • Select and implement manufacturing equipment, tools, and fixtures
  • Support the launch and ramp-up of upfit production operations

Manufacturing Engineering Leadership
  • Manage manufacturing engineering activities supporting upfit assembly operations
  • Develop and improve upfit assembly process documentation
  • Create and maintain work instructions and assembly process sheets
  • Develop Process Flow Diagrams, Control Plans, WI and assembly sheet
  • Ensure manufacturing processes meet quality and production standards

Production Support and Process Improvement
  • Identify opportunities to improve production efficiency, throughput, and process stability
  • Support troubleshooting of manufacturing and upfit assembly issues
  • Lead continuous improvement initiatives within manufacturing operations

Cross-Functional Collaboration
  • Work closely with production, quality, supply chain, and engineering teams
  • Support engineering changes and product improvements
  • Ensure upfit assembly processes remain aligned with product design updates

Qualifications
  • Bachelor's degree in mechanical engineering, Manufacturing Engineering, Industrial Engineering, or related field
  • 8+ years of experience in automotive or commercial vehicle manufacturing
  • Experience in truck upfit, truck body installation, or commercial vehicle assembly preferred
  • Strong knowledge of manufacturing processes and assembly operations
  • Experience developing work instructions, PFMEA, and control plans
  • Experience selecting manufacturing equipment, tools, and assembly fixtures
  • Strong leadership and project management skills
  • Ability to work effectively in a fast-paced manufacturing environment

Preferred Background
Candidates with experience in the following industries are strongly preferred:
  • Commercial vehicle manufacturing
  • Truck assembly
  • Truck body manufacturing or upfit operations
  • Automotive OEM manufacturing

Apply