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Freelance Control Panel Builder Jobs in California

Control Panel Builder

Torrance, CA

$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 · 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

$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 · 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 · 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 ...

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 · On-site

$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 ...

Electrical Control Panel Assembler

Tustin, CA · On-site

$21 - $26.75/hr

The Electrical Control Panel Assembler will be building, testing electrical panels for large water systems. Your Responsibilities Will Be: Capable of wiring electrical control enclosures. Follow work ...

Be Seen First

We are looking for a CONTROL PANEL BUILDER. This candidate should be familiar with assembling and building control panels to UL 508 standards. The candidate should have 2-5 years experience in this ...

Be Seen First

We are looking for a CONTROL PANEL BUILDER. This candidate should be familiar with assembling and building control panels to UL 508 standards. The candidate should have 2-5 years experience in this ...

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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.

$19.75 - $25.25/hr

Full-time

Posted 26 days ago


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 Team 

As part of the Engineering 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. 

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 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 Responsibilities 

  • Read and interpret electrical schematics, wiring diagrams, and panel layout 
    drawings
  • Use hand tools, power tools, crimpers, torque tools, label printers/engravers, and 
    multimeters safely and properly
  • Mechanically assemble control panel enclosures, backplates, DIN rail 
    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 documentation 
  • 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, 
    and company quality procedures
  • Communicate issues, discrepancies, or missing information to engineering or 
    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 procedures 

Basic Qualifications  

  • 2+ years of experience building, wiring, or assembling industrial control panels; 3+ 
    years preferred
  • Ability to read and interpret electrical schematics, wiring diagrams, and panel 
    layout drawings
  • Experience cutting, stripping, crimping, labeling, routing, and terminating wires
  • Experience with DIN rail components, terminal blocks, relays, contactors, power 
    supplies, circuit breakers, and VFDs
  • Proficient with hand tools and shop tools, including wire strippers, crimpers, torque 
    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 LOTO 
    procedures
  • Strong attention to detail, cleanliness, organization, and workmanship quality
  • Ability to communicate missing parts, drawing discrepancies, or build issues to 
    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 periods 

Preferred Skills and Experience  

  • 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 mA 
    loops
  • Panel testing, troubleshooting, or quality inspection experience
  • Experience supporting redlines, as-built markups, or engineering change 
    implementation
  • Forklift, scissor lift, or aerial lift certification
  • Field service experience
  • Electrical certification, electrician training, trade school, or formal technical 
    training 

What We Offer  

  • Competitive base salary 
  • Equity ownership in a rapidly growing advanced energy company 
  • Comprehensive medical benefits 
  • Free daily lunch and dinner provided onsite 
  • Generous PPE stipend
  • High-impact startup environment with significant ownership and autonomy 
  • Opportunities for rapid career growth and internal advancement 
  • Direct collaboration with experienced operators, engineers, and industry leaders 
  • 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).