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Freelance Control Panel Builder Jobs in California

Control Panel Builder

Torrance, CA ยท On-site

$19.75 - $25.25/hr

The Role The Control Panel Builder is responsible for assembling, wiring, and finishing industrial control panels according to electrical schematics, wiring diagrams, and applicable codes and ...

Panel Builder

Placentia, CA ยท On-site

$23 - $27/hr

Clayton Controls is a premier provider of automation solutions, specializing in motion control ... Panel Builder will be proficient in and has the responsibility of assembling and wiring Industrial ...

Panel Builder

Anaheim, CA ยท On-site

$23 - $27/hr

Clayton Controls is a premier provider of automation solutions, specializing in motion control ... Panel Builder will be proficient in and has the responsibility of assembling and wiring Industrial ...

Panel Builder

Clayton, CA ยท On-site

$20.50 - $27.75/hr

Panel Builder will be proficient in and has the responsibility of assembling and wiring Industrial Control Panels, Electro/Mechanical sub-assemblies, and/or major assemblies built to internal and/or ...

Panel Builder

Clayton, CA ยท On-site

$20.50 - $27.75/hr

Panel Builder will be proficient in and has the responsibility of assembling and wiring Industrial Control Panels, Electro/Mechanical sub-assemblies, and/or major assemblies built to internal and/or ...

Panel Builder

Clayton, CA ยท On-site

$20.50 - $27.75/hr

Panel Builder will be proficient in and has the responsibility of assembling and wiring Industrial Control Panels, Electro/Mechanical sub-assemblies, and/or major assemblies built to internal and/or ...

Panel Builder

Clayton, CA ยท On-site

$20.50 - $27.75/hr

Panel Builder will be proficient in and has the responsibility of assembling and wiring Industrial Control Panels, Electro/Mechanical sub-assemblies, and/or major assemblies built to internal and/or ...

Panel Builder

Clayton, CA ยท On-site

$20.50 - $27.75/hr

Panel Builder will be proficient in and has the responsibility of assembling and wiring Industrial Control Panels, Electro/Mechanical sub-assemblies, and/or major assemblies built to internal and/or ...

Panel Builder

Clayton, CA ยท On-site

$20.50 - $27.75/hr

Panel Builder will be proficient in and has the responsibility of assembling and wiring Industrial Control Panels, Electro/Mechanical sub-assemblies, and/or major assemblies built to internal and/or ...

Electrical Panel Builder

Glendale, CA ยท On-site

$30 - $38/hr

ELETRICAL PANEL BUILDER ROLE! About SMP Engineering: In a nutshell, we work on the hard stuff. Our ... electrical control panels. * Experience with programming PLCs and HMIs is highly desired.

Control Panel Assembler

Tustin, CA

$21 - $26.75/hr

We are seeking an Electrical Control Panel Assembler to build and test electrical control panels used in large industrial water systems. This role is ideal for someone with hands-on electrical ...

Control Panel Assembler

Tustin, CA ยท On-site

$21 - $26.75/hr

Electrical Control Panel Assembler We are seeking an Electrical Control Panel Assembler to build and test electrical control panels used in large industrial water systems. This role is ideal for ...

Control Panel Assembler

Tustin, CA ยท On-site

$21 - $26.75/hr

Electrical Control Panel Assembler We are seeking an Electrical Control Panel Assembler to build and test electrical control panels used in large industrial water systems. This role is ideal for ...

Industrial Control Panel Technician

Sun Valley, CA ยท On-site

$19.50 - $25/hr

Industrial Control Panel Technician Burbank, California About WET (Design) WET (Design) creates ... Collaborate with engineers and fellow technicians to resolve build issues and maintain quality

Control Panel Designer

Berkeley, CA ยท On-site

$50 - $150/hr

Control Panel Designer About the Role We are seeking a skilled and detail-oriented Control Panel Designer to join our engineering team. In this role, you will own the full lifecycle of industrial ...

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Freelance Control Panel Builder information

What is a freelance control panel builder?

A Freelance Control Panel Builder is a professional who designs, assembles, and tests electrical or software-based control panels for various industries on a contract basis. They work independently rather than as a full-time employee for a single company, serving multiple clients with custom solutions. Their responsibilities may include wiring, programming, troubleshooting, and ensuring that the control panels meet safety standards and client specifications. Freelance builders often have expertise in electrical engineering, automation, or related fields.

What are the key skills and qualifications needed to thrive as a freelance control panel builder?

To thrive as a Freelance Control Panel Builder, you need a solid background in electrical engineering or industrial automation, with knowledge of wiring, schematics, and safety standards. Familiarity with CAD software, PLCs, and relevant certifications such as UL 508A are typically required. Attention to detail, problem-solving ability, and effective communication with clients and vendors are crucial soft skills. These skills ensure panels are built safely, efficiently, and according to client specifications, supporting reliable industrial operations.

What are some common challenges faced by freelance control panel builders when working with clients remotely?

Freelance Control Panel Builders often encounter challenges such as clearly understanding client specifications without in-person meetings, managing project timelines across different time zones, and ensuring that the designed panels meet all safety and regulatory standards. Effective communication is crucial to clarify requirements and promptly address changes or feedback. Additionally, freelancers must be proactive in sourcing components, coordinating with suppliers, and providing thorough documentation to support installation and maintenance by the client's team.

What is the difference between Freelance Control Panel Builder vs Web Developer?

AspectFreelance Control Panel BuilderWeb Developer
CredentialsTechnical skills, experience with control panel platformsProgramming languages, web development certifications
Work EnvironmentFreelance, remote, project-basedFreelance or employed, remote or office-based
Industry UsageHosting providers, server managementGeneral website and application development

While both roles involve technical skills, Freelance Control Panel Builders specialize in creating and customizing control panels for server and hosting management, whereas Web Developers focus on building websites and web applications. The roles often overlap in technical knowledge but differ in their primary focus and industry applications.

What are the most commonly searched types of Control Panel Builder jobs in California?

The most popular types of Control Panel Builder jobs in California are:

What are popular job titles related to Freelance Control Panel Builder jobs in California?

For Freelance Control Panel Builder jobs in California, the most frequently searched job titles are:

What job categories do people searching Freelance Control Panel Builder jobs in California look for?

The top searched job categories for Freelance Control Panel Builder jobs in California are:

What cities in California are hiring for Freelance Control Panel Builder jobs?

Cities in California with the most Freelance Control Panel Builder job openings:

Infographic showing various Freelance Control Panel Builder job openings in California as of August 2026, with employment types broken down into 67% Full Time, and 33% Contract. Highlights an 100% In-person job distribution.

Control Panel Builder

Valar Atomics

Torrance, CA โ€ข On-site

$19.75 - $25.25/hr

Full-time

Re-posted 5 days ago


Key responsibilities

  • Assemble, wire, and finish industrial control panels according to electrical schematics, wiring diagrams, and applicable codes and standards.

  • Use hand tools, power tools, crimpers, torque tools, label printers/engravers, and multimeters safely and properly during panel construction and wiring.

  • Verify parts and materials against BOM, drawings, and project documentation, and support panel testing, troubleshooting, and modifications as needed.


Job description

About Valar Atomics

At Valar Atomics, we're redefining what's possible in energy. Our mission is to make clean, high-temperature nuclear power scalable-unlocking abundant energy for industry, hydrogen, and next-generation manufacturing. We are a team of builders, engineers, and operators who believe nuclear energy should be fast to deploy, factory-made, and built for the real world. Our first pilot plant in Orangeville, Utah will demonstrate how advanced nuclear systems and fuel fabrication can power the future. Joining Valar Atomics means becoming part of a company where autonomy, ownership, and impact exist at every level.

The Teamย 

As part of theย Engineeringย organization, Instrumentations & Controls designs the systems that monitor, automate, and protect Valar's facilities and reactor technologies. The team develops reliable control architectures that enable safe and efficient operations.ย 

The Roleย 

The Control Panel Builder is responsible for assembling, wiring, and finishing industrial control panels according to electrical schematics, wiring diagrams, and applicable codes and standards. This role requires attention to detail, adherence to safety and quality standards, and the ability to work in a fast-paced manufacturing environment.

Key Responsibilitiesย 

  • Read and interpret electrical schematics, wiring diagrams, and panel layoutย 
    drawings
  • Use hand tools, power tools, crimpers, torque tools, label printers/engravers, andย 
    multimeters safely and properly
  • Mechanically assemble control panel enclosures, backplates, DIN railย 
    components, wire duct, and other various devices
  • Wire control panels including:
    • Power distribution (single-phase & three-phase)
    • Control circuits
    • PLC I/O wiring
    • VFDs, motor starters, relays, contactors, terminal blocks, and power supplies
    • Cut, strip, crimp, label, and route wires per drawing and workmanship standards
    • Apply wire labels, terminal labels, and device tags per project documentation
    • Verify parts and materials against the BOM, drawings, and project documentationย 
  • Identify and report incorrect, damaged, missing, or substitute components
  • Torque electrical terminations to specified values and document as required
  • Perform continuity checks and basic electrical verification prior to testing
  • Maintain cleanliness, organization, and workmanship standards inside enclosures
  • Build panels in accordance with applicable UL 508A, NEC, project specifications,ย 
    and company quality procedures
  • Communicate issues, discrepancies, or missing information to engineering orย 
    supervision
  • Support panel testing and troubleshooting as needed
  • Support rework, modifications, and engineering change implementation as needed
  • Comply with safety policies, PPE requirements, and LOTO proceduresย 

Basic Qualificationsย ย 

  • 2+ years of experience building, wiring, or assembling industrial control panels; 3+ย 
    years preferred
  • Ability to read and interpret electrical schematics, wiring diagrams, and panelย 
    layout drawings
  • Experience cutting, stripping, crimping, labeling, routing, and terminating wires
  • Experience with DIN rail components, terminal blocks, relays, contactors, powerย 
    supplies, circuit breakers, and VFDs
  • Proficient with hand tools and shop tools, including wire strippers, crimpers, torqueย 
    tools, drills, label printers/engravers, and multimeters
  • Ability to perform basic continuity checks and point-to-point wiring verification
  • Ability to follow BOMs, drawings, work instructions, and quality checklists
  • Knowledge of basic electrical safety practices, PPE requirements, and LOTOย 
    procedures
  • Strong attention to detail, cleanliness, organization, and workmanship quality
  • Ability to communicate missing parts, drawing discrepancies, or build issues toย 
    engineering or supervision
  • Ability to work independently or as part of a team in a shop/lab environment
  • Ability to lift to 50 lbs. and work on the shop floor for extended periodsย 

Preferred Skills and Experienceย ย 

  • Familiarity with UL 508A requirements, NEC, and industrial control panel standards
  • Experience with PLC systems such as Allen-Bradley, Siemens, or similar platforms
  • Experience with PLC I/O wiring, analog/digital signals, instrumentation, or 4-20 mAย 
    loops
  • Panel testing, troubleshooting, or quality inspection experience
  • Experience supporting redlines, as-built markups, or engineering changeย 
    implementation
  • Forklift, scissor lift, or aerial lift certification
  • Field service experience
  • Electrical certification, electrician training, trade school, or formal technicalย 
    trainingย 

What We Offerย ย 

  • Competitive base salaryย 
  • Equity ownership in a rapidly growing advanced energy companyย 
  • Comprehensive medical benefitsย 
  • Free daily lunch and dinner provided onsiteย 
  • Generous PPE stipend
  • High-impact startup environment with significant ownership and autonomyย 
  • Opportunities for rapid career growth and internal advancementย 
  • Direct collaboration with experienced operators, engineers, and industry leadersย 
  • The opportunity to help build and scale transformative energy technology from the ground up

Equal Employment Opportunity Statement

Valar Atomics is an equal opportunity employer. We consider all qualified applicants without regard to race, color, religion, sex, gender identity, sexual orientation, national origin, age, disability, veteran status, or any other protected status under applicable law.

We are committed to providing a workplace free of discrimination and harassment and will provide reasonable accommodation as required by law.

Applicants must be legally authorized to work in the United States as a U.S. citizen or lawful permanent resident (green card holder).