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Core Assembly Jobs in California (NOW HIRING)

MGM Transformers

Production Engineer

Commerce, CA · On-site

... core assembly, testing, and final assembly. The ideal candidate brings strong hands-on manufacturing experience, problem-solving ability, and knowledge of transformer production principles.

MGM Transformer LLC

Production Engineer

Commerce, CA · On-site

$28 - $33/hr

Technical Troubleshooting Provide engineering support to resolve manufacturing issues related to winding, core clamping, insulation failures, vacuum/oil processing, or HV/LV assembly. Work closely ...

Forgent

Production Engineer

Los Angeles, CA · On-site

$28 - $33/hr

Support day to day production of transformer components, including coil winding, insulation, core building, welding, tank assembly, and electrical testing. * Analyze workflow bottlenecks and ...

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 ...

Leapros Skilled Trades

Assembly Tech

Moorpark, CA · On-site

$17 - $18/hr

The Assembly Tech is responsible for the manual assembly of components and products within a ... We are committed to our core values and guiding ethical principles, to conducting business in a non ...

Deerpoint Group, Inc.

Assembly Technician

Madera, CA · On-site

$18 - $22.50/hr

Assembly Technician Grow your Career with us: At Deerpoint Group, we're on the cutting edge of ag ... Sure, we're in the agricultural fertigation and water treatment business, but at the core we're a ...

Picogrid

Assembly Technician

El Segundo, CA · On-site

$70K - $120K/yr

As a core member of Picogrid's hardware engineering team, you will help define our engineering culture and product roadmap. As a Assembly Technician, you will work on the enclosures and structural ...

Picogrid

Assembly Technician

El Segundo, CA · On-site

$70K - $120K/yr

As a core member of Picogrid's hardware engineering team, you will help define our engineering culture and product roadmap. As a Assembly Technician, you will work on the enclosures and structural ...

Deerpoint Group, LLC

Assembly Technician

Madera, CA · On-site

$24 - $26/hr

Assembly Technician Grow your Career with us: At Deerpoint Group, we're on the cutting edge of ag ... Sure, we're in the agricultural fertigation and water treatment business, but at the core we're a ...

Picogrid

Assembly Technician

El Segundo, CA · On-site

$70K - $120K/yr

As a core member of Picogrid's hardware engineering team, you will help define our engineering culture and product roadmap. As a Assembly Technician, you will work on the enclosures and structural ...

Goflory

Assembly Technician

Salida, CA · On-site

$22 - $32/hr

Troubleshoot fault codes and direct the assembly process while guiding and training fellow assembly ... Our People We are seeking individuals who embody our core values: Faith - Family - Integrity. We ...

BEGA NORTH AMERICA INC

Assembly Supervisor

Carpinteria, CA · On-site

$68K - $99K/yr

Who we are Why does a company take time to define its core values? Because values govern behavior ... Position Profile The Assembly Supervisor is responsible for the day-to-day supervision of Assembly ...

Moog, Inc.

Assembly/Harnessing Technician

Chatsworth, CA · On-site

$28 - $35/hr

Assembly/Harnessing Technician Reporting To: Supervisor, Assembly (CHT) Work Schedule: Onsite ... Warm, respectful, family-like environment rooted in our 12 core values. Enhanced by multiple ...

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All JobsCore Assembly JobsCore Assembly Jobs in California

Core Assembly information

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 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 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 the key skills and qualifications needed to thrive as a core assembly worker?

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 popular job titles related to Core Assembly jobs in California? For Core Assembly jobs in California, the most frequently searched job titles are:
What job categories do people searching Core Assembly jobs in California look for? The top searched job categories for Core Assembly jobs in California are:
What cities in California are hiring for Core Assembly jobs? Cities in California with the most Core Assembly job openings:
Core Assembly jobs near you
Infographic showing various Core Assembly job openings in California as of August 2026, with employment types broken down into 94% Full Time, and 6% Contract. Highlights an 100% In-person job distribution.

Production Engineer

MGM Transformers

Commerce, CA • On-site

Full-time

Re-posted 27 days ago

Job description

Job Type
Full-time
Description
Position Summary
The Production Engineer is responsible for optimizing manufacturing processes for transformer production, ensuring safety, quality, efficiency, and cost effectiveness. This role works closely with Operations, Quality, Maintenance, Supply Chain, and Design Engineering to support daily production, resolve technical issues, and drive continuous improvement across winding, core assembly, testing, and final assembly.
The ideal candidate brings strong hands-on manufacturing experience, problem-solving ability, and knowledge of transformer production principles.
Requirements
Key Responsibilities
Production Support & Process Optimization
• Support day to day production of transformer components, including coil winding, insulation, core building, welding, tank assembly, and electrical testing.
• Analyze workflow bottlenecks and implement process improvements to increase throughput and reduce scrap.
• Standardize work instructions, SOPs, and production documentation.
• Improve layout and material flow to optimize takt time and reduce non-value-added activity.
• Technical Troubleshooting
• Provide engineering support to resolve manufacturing issues related to winding, core clamping, insulation failures, vacuum/oil processing, or HV/LV assembly.
• Work closely with Design Engineering to interpret drawings, BOMs, and electrical schematics.
• Lead root-cause analysis (RCA) activities and corrective action plans (CAPA).
• Quality & Compliance
• Ensure production processes align with applicable industry standards (IEEE, ANSI, IEC).
• Partner with Quality to investigate defects, testing failures, and customer complaints.
• Maintain strong documentation practices and support internal/external audits.
• Continuous Improvement & Lean Manufacturing
• Lead Lean/Kaizen initiatives: 5S, waste reduction, value stream mapping, SMED, and standard work.
• Use data to drive decisions and track productivity, scrap rates, and cycle times.
• Identify opportunities for automation, fixture design, and equipment upgrades.
• Safety & Reliability
• Ensure compliance with safety regulations and implement engineering controls to reduce risk.
• Support electrical testing processes such as hipot testing, impulse testing, ratio verification, and insulation resistance.
• Cross-Functional Collaboration
• Partner with Maintenance on equipment troubleshooting, preventive maintenance, and new equipment commissioning.
• Work closely with Supply Chain to review BOMs, optimize materials usage, and improve inventory accuracy.
• Communicate production constraints or design feedback to Engineering and Leadership teams.
• Skills & Competencies
• Strong understanding of transformer manufacturing processes (distribution or power).
• Excellent analytical and troubleshooting skills.
• Familiarity with Lean Manufacturing principles and continuous improvement methodologies.
• Ability to read and interpret engineering drawings, electrical schematics, and technical specifications.
• Strong communication and teamwork across engineering, production, and leadership levels.
• Proficiency in Microsoft Office, CAD software, and ERP systems.
• Qualifications
• Bachelor's degree in mechanical engineering, Electrical Engineering, Manufacturing Engineering, or related technical field.
• 3-5 years of engineering experience in transformer manufacturing or heavy electrical equipment preferred.
• Hands-on experience with coil winding, insulation design, core assembly, or testing is strongly desired.
• Knowledge of IEEE/ANSI/IEC transformer standards.
• Experience with Lean, Six Sigma, or CI tools (certifications preferred but not required).
• Working Conditions
• On-site role in a manufacturing environment.
• Exposure to production floor conditions (noise, machinery, oil processing equipment).
• Monday-Friday schedule with flexibility depending on production needs.

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