ZipRecruiter

Log In

1

Core Assembly Jobs in Riverside, CA (NOW HIRING)

Pexco

Assembly Operator

Yorba Linda, CA · On-site

$18/hr

The Assembly Operator supports production by performing detailed manual tasks such as assembling ... The company has a proven track record of growing its core segments and entering attractive new ...

DZYNE Technologies LLC.

Assembly Technician

Irvine, CA

$30 - $35/hr

Assembly Technician Location : Irvine, CA 92618 Work Arrangement: Onsite, 1st shift, Monday ... Base dental, vision, life, accident, disability, and other core benefits are fully covered by DZYNE.

DZYNE Technologies

Assembly Technician

Irvine, CA · On-site

$30 - $35/hr

Assembly Technician Location : Irvine, CA 92618 Work Arrangement: Onsite, 1st shift, Monday ... Base dental, vision, life, accident, disability, and other core benefits are fully covered by DZYNE.

Custom Goods

Assembly Production Manager

Fontana, CA · On-site

$80K - $85K/yr

The Assembly Production Manager is responsible for overseeing daily assembly and production ... Core Behaviors: Demonstrate to comply with Custom Goods' Core Behaviors: * Servant Leadership

L3Harris Technologies

Assembly C

Anaheim, CA

$47.50K - $88.50K/yr

Assemble Magnetic assemblies through all stages of the process, from core and coil assembly to final assembly. * Assemble wood creates/pallets as needed/required. * Perform simple to semi-complex ...

L3 Harris

Assembly C

Anaheim, CA

$47.50K - $88.50K/yr

Assemble Magnetic assemblies through all stages of the process, from core and coil assembly to final assembly. * Assemble wood creates/pallets as needed/required. * Perform simple to semi-complex ...

Ametek

Assembly Fitter

Irvine, CA

$40K/yr

As a Assembly Fitter you will read engineering drawings, use various tools to fabricate and ... We employ 22,000 colleagues, in 35 countries, that are grounded by our core values: Ethics and ...

Ametek

Assembly Fitter

Irvine, CA · On-site

As a Assembly Fitter you will read engineering drawings, use various tools to fabricate and ... We employ 22,000 colleagues, in 35 countries, that are grounded by our core values: Ethics and ...

Ametek

Assembly Fitter

Irvine, CA

$40K/yr

As a Assembly Fitter you will read engineering drawings, use various tools to fabricate and ... We employ 22,000 colleagues, in 35 countries, that are grounded by our core values: Ethics and ...

next page

Showing results 1-20

People also search for

All JobsCore Assembly JobsCore Assembly Jobs in Riverside, CA

Core Assembly information

See Riverside, CA salary details

$13

$20

$29

How much do core assembly jobs pay per hour?

As of May 31, 2026, the average hourly pay for core assembly in Riverside, CA is $20.32, according to ZipRecruiter salary data. Most workers in this role earn between $17.55 and $22.07 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Core Assembly worker, and why are they important?

To thrive as a Core Assembly worker, you need manual dexterity, attention to detail, basic mechanical aptitude, and often a high school diploma or equivalent. Familiarity with assembly line tools, blueprints, and quality control systems is typically required, and some positions may prefer certifications in manufacturing or safety. Strong teamwork, problem-solving, and time management skills help individuals excel in fast-paced production environments. These competencies are crucial for ensuring efficient, accurate, and safe assembly of components, directly impacting product quality and operational productivity.

What are some common challenges faced in a Core Assembly role and how can they be overcome?

Core Assembly professionals often encounter challenges such as maintaining high precision under tight deadlines and adapting to frequent changes in production schedules. Ensuring quality while assembling intricate components requires strong attention to detail and adherence to safety standards. Effective communication with team members and cross-department collaboration can help resolve issues quickly and minimize downtime. Continuous learning and staying updated on new assembly techniques or equipment can also help overcome these challenges and enhance job performance.

What is core assembly?

Core assembly refers to the process of constructing the core components used in manufacturing, most commonly in foundries for metal casting. Workers in core assembly build sand or ceramic cores and molds that shape the internal cavities of metal parts during casting. The job requires attention to detail, precision, and knowledge of safety procedures to ensure quality and consistency in the final products. Core assembly is essential in industries such as automotive, aerospace, and machinery manufacturing. Technicians often use hand tools, machines, and specialized adhesives or coatings as part of the assembly process.

What is the difference between Core Assembly vs Machinist?

AspectCore AssemblyMachinist
Required CredentialsHigh school diploma or equivalent; some certifications in assembly or manufacturingHigh school diploma; technical certifications or apprenticeships often preferred
Work EnvironmentFactories, assembly lines, manufacturing plantsMachine shops, manufacturing facilities, workshops
Industry UsageAutomotive, aerospace, electronics manufacturingMetalworking, aerospace, automotive industries

Core Assembly involves assembling components into finished products, focusing on precision and following detailed instructions. Machinists operate and maintain machine tools to produce metal parts, requiring technical skills and knowledge of machining processes. While both roles are essential in manufacturing, Core Assembly emphasizes assembling parts, whereas Machinists focus on creating parts through machining processes.

What are popular job titles related to Core Assembly jobs in Riverside, CA? For Core Assembly jobs in Riverside, CA, the most frequently searched job titles are:
What job categories do people searching Core Assembly jobs in Riverside, CA look for? The top searched job categories for Core Assembly jobs in Riverside, CA are:
What cities near Riverside, CA are hiring for Core Assembly jobs? Cities near Riverside, CA with the most Core Assembly job openings:
Core Assembly jobs near you
Assembly Operator

Assembly Operator

Pexco

Yorba Linda, CA • On-site

$18/hr

Full-time

Posted 13 days ago

Job description

Job Title: Operator
Department: Assembly
Job Summary:
The Assembly Operator supports production by performing detailed manual tasks such as assembling, machining, inspecting, part marking, and packaging of components. The role requires precision, the use of hand tools, and strict adherence to quality and safety standards. Success in this position depends on the ability to follow instructions, maintain accurate records, and collaborate effectively with others.
Location Yorba Linda CA. $18hr Mon-Fri 6am-2:30pm
Responsibilities:
  1. Assembly & Production
    • Perform routine assembly, fitting, fastening, and packaging tasks according to work instructions, blueprints, and standard operating procedures
    • Operate simple production equipment for loading, unloading, or assisting in assembly processes
    • maintain a clean and organized work area
    • Operate basic hand tools, power tools, and assembly machinery safely and efficiently
    • Follow production schedules to ensure timely completion of work orders
  2. Quality & Documentation
    • Conduct visual inspections of parts for defects such as flash, short shots, or damage
    • Verify box sealing, labeling, palletizing, and packaging meet company and customer requirements
    • Record production activity and maintain accurate documentation in the work order system
    • Follow procedures for handling and returning visual reference samples provided by Quality
  3. Team Support & Compliance
    • Request assistance from Leads or Supervisor when additional information or instructions are needed
    • Collaborate with team members to maintain efficient workflow and meet production goals
    • Follow company safety rules and immediately report any hazards or unsafe behavior
    • Perform other duties as assigned to support company operations

Qualification:
  • High school diploma or equivalent preferred
  • Basic reading, math, and writing skills required
  • Ability to follow detailed instructions and complete repetitive tasks accurately
  • Manufacturing or assembly experience preferred

Company Overview
Precise Aerospace Manufacturing - precisemfg.com
Precise Aerospace Manufacturing Inc. (PAM), established in 1965, is a premier full-service supplier specializing in close-tolerance custom molding and machining for the aerospace, defense, medical, and electronic industries. With over five decades of experience, PAM offers expertise in injecting, compression, and transfer molded plastics, as well as CNC machining and value-added assembly.
The company maintains AS9100 and ISO 9001 certification, ensuring adherence to stringent quality standards. PAM is also approved by major OEMs and has been privileged to manufacture parts for the NASA Space Shuttle Program
Located in Yorba, Linda, California, Precise Aerospace Manufacturing is committed to delivering high-quality, precision-engineered solutions to meet the demanding requirements of its diverse clientele.
Pexco is a leading component supplier across a variety of industrial end markets and applications with production facilities in the US, Mexico, and Canada. The Company is primarily engaged in designing and manufacturing not only extruded plastic (commodity to high-performance) tubes and profiles through an expansive twelve-site footprint but also specializes in the injection molding of high-performance polymer parts. In addition, Pexco offers a wide range of differentiated, value-added services, including design, prototyping, die building, sub-assembly, fabrication and supply chain management. Moreover, Pexco has developed deep expertise in processing PTFE rod, tube, sheet, tape, and pipe, as well as in rubber extrusion serving the RV and other industries.
Pexco's innovative products are utilized in fluid handling, electrical insulation, traffic safety, infrastructure, and lighting applications across aerospace & defense, medical, electronics & semiconductors, mobility, environmental testing, pharmaceuticals, food & beverage, and other high-growth end-markets. The Company sells directly to more than 2,000 customers, including OEMs and end-users, as well as through distribution in certain markets.
Pexco has built an industry-leading reputation through its focus on short-run products with rapid turnarounds, tight tolerances, material science expertise, and a high degree of operational complexity. The company has a proven track record of growing its core segments and entering attractive new verticals over time to gain an increased share of a $10 billion total addressable market.
Pexco's strategy is to consistently deliver compelling customer value within both our core and strategic market segments. Continuous improvement and ease of doing business (internal and external), remain a consistent operating theme for Pexco.
Equal Opportunity Employer
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.
Pexco logo

About Pexco

Sourced by ZipRecruiter

Industry

Plastics product manufacturing

Company size

501 - 1,000 Employees

Headquarters location

Johns Creek, GA, US

Year founded

1973

Social media

Twitter

View All Pexco Jobs

Apply