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Prefab Jobs in California (NOW HIRING)

Kern Steel

Structural Steel Fitter

Bakersfield, CA · On-site

$25 - $30/hr

Report any incorrect or unprepared parts to Prefab Lead. * Expertise to critically review fabrication drawings. * Layout and fit fabricated steel assemblies and sub-assemblies. * Use tools and ...

AMPAM Parks Mechanical

Plant Operations Manager

Carson, CA · On-site

$100K - $120K/yr

Lead daily operational huddles and drive readiness across warehouse, logistics, and prefab support teams * Ensure that materials, resources, and deliveries are aligned to production and field needs

Bevyhouse LLC

Finish Carpenter

Santa Barbara, CA · On-site

$28 - $43/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Maintain accurate documentation of field modifications and redlines for feedback into the prefab design loop * Proactively identify material, tooling, and process improvements to enhance efficiency ...

Onsite Personnel LLC

Project Manager

Arvin, CA

Personal qualities of integrity, credibility, and dedication to the mission of Plant Prefab * Technical knowledge of building codes. * Knowledge of estimating and takeoff processes

RedBuilt LLC

Design Technician

Chino, CA · On-site

$24 - $33/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Chino, CA. - Commercial EWP/ Mass Timber designer/ Prefab wall panel designer Build What's Next with RedBuilt Ready to turn designs into reality? At RedBuilt, we're shaping the future of construction ...

20/20 Plumbing & Heating, Inc.

Be Seen First

Rough-In Plumbing Installer

Los Angeles, CA · On-site

$18 - $32/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Assembles, installs prefab material, fittings and valves for installation * Modifies length of pipes and other plumbing materials as needed * Assemble pipe sections, tubing and fittings, using ...

Bergelectric

Electrical Lead Man

Fresno, CA

$46 - $50/hr

  • Medical

  • Dental

  • Vision

  • Retirement

Utilize the Prefab shop to the fullest extent. * Anticipate potential problems and take action before they become real problems. * Be an enthusiastic and motivating leader. * Assure your crew starts ...

Bergelectric

Electrical Lead Man

Fresno, CA · On-site

$46 - $50/hr

  • Medical

  • Dental

  • Vision

  • Retirement

Utilize the Prefab shop to the fullest extent. * Anticipate potential problems and take action before they become real problems. * Be an enthusiastic and motivating leader. * Assure your crew starts ...

Menlo Ventures

Head of Logistics

San Francisco, CA · On-site

$365 - $435/hr

  • PTO

Have moved heavy equipment (generators, transformers, skids, prefab modules) including permits, rigging, and site receiving - not just parcel and LTL. * Have stood up a function from near-zero ...

Vantage Data Centers

Design Manager, NA

Santa Clara, CA · Hybrid

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Promote execution strategies including prefab MEP, skids, busways, medium voltage distribution, microgrid readiness, liquid cooling enablement, and high-density design * Validate integration for AI ...

Bergelectric

Electrical Lead Man

Fresno, CA

$46 - $50/hr

  • Medical

  • Dental

  • Vision

  • Retirement

Utilize the Prefab shop to the fullest extent. * Anticipate potential problems and take action before they become real problems. * Be an enthusiastic and motivating leader. * Assure your crew starts ...

RSS, LLC.

Superintendent

Sacramento, CA

  • Medical

  • Life

  • Retirement

  • PTO

Prefab/manufacturing coordination * Identify field training needs and utilize the Workforce Development Team for assistance and implementation * Attend all assigned project Installation Turnover ...

SpaceX

Manager, IT Infrastructure (Data Centers)

Hawthorne, CA

$165K - $240K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Proven track record building next-gen data centers from greenfield sites, including modular/prefab designs, liquid immersion cooling, green power (renewables/PUE * Expertise in data center facilities ...

Actalent

Cad Engineer

Arvin, CA · On-site +1

$100K - $120K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • PTO

Understanding of modular, prefab, panelized, or off-site construction methods. * Knowledge of wood-frame and general building systems. Additional Skills & Qualifications * Experience producing shop ...

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All JobsPrefab JobsPrefab Jobs in California

Prefab information

See California salary details

$14

$26

$38

How much do prefab jobs pay per hour?

As of Aug 15, 2026, the average hourly pay for prefab in California is $26.42, according to ZipRecruiter salary data. Most workers in this role earn between $22.07 and $28.94 per hour, depending on experience, location, and employer.

What does a prefab do?

A typical day for a Prefab worker involves assembling building components according to detailed plans, often within a factory or on-site modular construction environment. You’ll be working closely with a team to ensure all elements are fitted accurately, making use of various tools and machinery throughout the process. Safety meetings and quality checks are a routine part of the workflow to maintain standards. Collaboration with supervisors, electricians, plumbers, and other trades is common, which keeps the work dynamic and varied. The role offers hands-on experience and valuable teamwork opportunities, providing a strong foundation for advancement in the construction and manufacturing sectors.

What is a prefab?

A Prefab job involves working with prefabricated materials or structures, which are manufactured off-site and then transported for assembly at a construction site. Workers in prefab jobs may be responsible for assembling, installing, or modifying these components according to project specifications. This type of work is common in industries like construction, manufacturing, and modular housing, allowing for faster and more efficient building processes.

What are the key skills and qualifications needed to thrive in the prefab position, and why are they important?

To excel as a Prefab worker, you need solid experience in construction methods, blueprint reading, and the assembly of prefabricated building components, often supported by a high school diploma and relevant on-site training. Familiarity with power tools, hand tools, forklifts, and sometimes OSHA safety certifications is typically required. Attention to detail, teamwork, and strong communication skills help distinguish top performers in this role. These abilities ensure the efficient, accurate, and safe assembly of modular structures in a fast-paced environment.

What are popular job titles related to Prefab jobs in California?

For Prefab jobs in California, the most frequently searched job titles are:

What job categories do people searching Prefab jobs in California look for?

The top searched job categories for Prefab jobs in California are:

What cities in California are hiring for Prefab jobs?

Cities in California with the most Prefab job openings:

Prefab jobs near you
Infographic showing various Prefab job openings in California as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $54,959 per year, or $26.4 per hour.

Structural Steel Fitter

Kern Steel

Bakersfield, CA • On-site

$25 - $30/hr

Full-time

Re-posted 2 hours ago

Job description

The Fitter will perform a variety of tasks including layout and fitting of structural steel sub-assemblies, beams, columns, trusses, and other structural members to form completed structures or structural frameworks as per shop drawings. The Fitter will also be a proficient welder and capable of performing welding duties when needed.
Must have 2+ years full time structural Fitting experience! on large fabricated assemblies.
Open to 2nd / Swing Shift (2:00pm start) preferred.
Essential Job Specific Duties:
  • Verify material sizes are correct and properly prepared prior to assembly. Report any incorrect or unprepared parts to Prefab Lead.
  • Expertise to critically review fabrication drawings.
  • Layout and fit fabricated steel assemblies and sub-assemblies.
  • Use tools and equipment including torches, forklifts, overhead cranes, carpenters' levels, laser levels, tapes, squares, grinders, and mag drills.
  • Perform welding tasks as requested by supervisor or as required due to fabrication schedule and workload demands.
  • Must maintain a safe, clean, and orderly working environment by complying with KSF policies and procedures, rules, and regulations.
  • Maintains adherence to company policies, and quality, safety, and environmental standards as outlined in roles and responsibilities.
  • Performs other related duties, as assigned, for the purpose of ensuring an efficient and effective work environment.

Requirements
Education & Experience:
  • High school diploma or equivalent preferred.
  • Minimum two (2) years fitting experience on large fabricated assemblies.
  • Proficiency in the following welding procedures - FCAW Fillet Weld, CAC-G, FCAW 1F, FCAW 1G, FCAW 2F, FCAW 2G.
  • Fitting or layout experience with large assemblies.
  • Intermediate math and measurement skills (e.g., addition, subtraction, diameters), reading and comprehension.
  • Prefer applicable craft training by an approved construction trade association (e.g., ACI, BC, R.O.C.) welding programs.
  • Working knowledge of computers, smart phones, and tablets.
  • Understanding of safe work procedures for welding and fabrication shop work.

Ability to:
  • Read and understand welding symbols in shop drawings.
  • Understand and read layouts, blueprints, diagrams, work orders, and welding procedures.
  • Set up and adjust welding machine to stay within parameters of welding procedures.
  • Understand operations of welding equipment.
  • Communicate effectively, verbally and in writing.
  • Work independently and in a team.

Physical Requirements:
  • Work is primarily performed outside. Noise level is moderately loud to loud.
  • Ability to lift up to 50 lbs.
  • Ability to stand for long periods of time.

Note: this position may start as either direct hire or temp-to-hire through a temporary staffing agency.
Starting Pay Range: $25-$30 per hour
Salary Description
$25.00-$30.00 per hour

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