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Power Transformer Jobs in California (NOW HIRING)

Delta Star, Inc.

Sr. Control Design Engineer I

San Carlos, CA · On-site

$157K - $174K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The largest, American-owned medium power transformer manufacturer in the United States and the premier manufacturer of mobile transformers and mobile power substations in North America. We are an ...

Delta Star, Inc.

Sr. Electrical Design Engineer

San Carlos, CA · On-site

$141K - $190K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The largest, American-owned medium power transformer manufacturer in the United States and the premier manufacturer of mobile transformers and mobile power substations in North America. We are an ...

Integrated Power Services

Field Service Technician

Fresno, CA · On-site

$30 - $85/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

... • Power transformer testing - Doble, TTR, Insulation Resistance, etc. • Test both electro-mechanical and solid state relays • Cable testing - Tan Delta, Power Factor, VLF, DC Hipot • ...

Integrated Power Services

Field Service Technician

Livermore, CA · On-site

$30 - $85/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

... • Power transformer testing - Doble, TTR, Insulation Resistance, etc. • Test both electro-mechanical and solid state relays • Cable testing - Tan Delta, Power Factor, VLF, DC Hipot • ...

Integrated Power Services

Field Service Technician

Wilmington, CA · On-site

$30 - $85/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

... • Power transformer testing - Doble, TTR, Insulation Resistance, etc. • Test both electro-mechanical and solid state relays • Cable testing - Tan Delta, Power Factor, VLF, DC Hipot • ...

Delta Star, Inc.

Driver DSW

San Carlos, CA · On-site

$40 - $45/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The largest, American-owned medium power transformer manufacturer in the United States and the premier manufacturer of mobile transformers and mobile power substations in North America. We are an ...

Hammond Power Solutions

Production Worker - Winder

Compton, CA · On-site

$15.75 - $18.75/hr

  • Medical

  • Dental

  • Vision

  • Retirement

Operates a power driven winding machine to wind generally larger coils for power transformers - quality standards are critical in nature; * Sets up assigned work to meet specification; * Required to ...

Enphase Energy

Power Electronics Engineer

Petaluma, CA

$95K - $145K/yr

... State Transformer (SST) platform. Our team is responsible for defining and delivering the next ... Design and develop power conversion circuits and magnetics for the SST platform, optimizing for ...

Enphase Energy

Power Electronics Engineer

Petaluma, CA · On-site

$95K - $145K/yr

... State Transformer (SST) platform. Our team is responsible for defining and delivering the next ... Design and develop power conversion circuits and magnetics for the SST platform, optimizing for ...

Delta Star, Inc.

Quality Engineer

San Carlos, CA · On-site

$95K - $118K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The largest, American-owned medium power transformer manufacturer in the United States and the premier manufacturer of mobile transformers and mobile power substations in North America. We are an ...

Delta Star, Inc.

Warehouse A DSW

San Carlos, CA · On-site

$27.65 - $28.30/hr

The largest, American-owned medium power transformer manufacturer in the United States and the premier manufacturer of mobile transformers and mobile power substations in North America. We are an ...

Terabase Energy

Power Systems Engineer

Berkeley, CA · On-site +1

  • Retirement

The Power Systems and Controls Engineer will serve as a key technical leader in power system ... Experience with transformer saturation and inrush, load flow and dynamic studies, short-circuit ...

Tapestry

Power Systems Engineer

Mountain View, CA

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

You will lead efforts to transform complex, multi-source industry grid and network data into ... Strong understanding of power system principles, including power flow, short circuit analysis ...

Terabase Energy

Power Systems Engineer

Berkeley, CA · Hybrid

  • Retirement

The Power Systems and Controls Engineer will serve as a key technical leader in power system ... Experience with transformer saturation and inrush, load flow and dynamic studies, short-circuit ...

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Showing results 1-20

All JobsPower Transformer JobsPower Transformer Jobs in California

Power Transformer information

See California salary details

$70.1K

$131K

$190.5K

How much do power transformer jobs pay per year?

As of Aug 15, 2026, the average yearly pay for power transformer in California is $131,016.00, according to ZipRecruiter salary data. Most workers in this role earn between $82,900.00 and $172,700.00 per year, depending on experience, location, and employer.

What are the typical daily responsibilities for someone working with power transformers?

As a Power Transformer Technician or Engineer, your daily tasks often include inspecting, maintaining, and repairing power transformers at substations or industrial sites. You may perform diagnostic tests, monitor transformer health using specialized instruments, and document your findings to ensure compliance with safety and reliability standards. Collaboration with electrical engineers, utility workers, and safety personnel is common to coordinate maintenance schedules and address any operational issues. This role often involves both office work and fieldwork, providing a dynamic and hands-on work environment.

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

To excel as a Power Transformer Technician or Engineer, you need a strong background in electrical engineering principles, hands-on experience with transformer installation, testing, and maintenance, and often a relevant degree or certification. Familiarity with diagnostic tools such as insulation resistance testers, transformer oil testers, and SCADA systems is typically required. Strong analytical thinking, attention to detail, teamwork, and clear communication skills will help you excel in this role. These competencies ensure reliable transformer operation, minimize downtime, and support safe and efficient power distribution.

What are the most commonly searched types of Power Transformer jobs in California?

The most popular types of Power Transformer jobs in California are:

What are popular job titles related to Power Transformer jobs in California?

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

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

The top searched job categories for Power Transformer jobs in California are:

What cities in California are hiring for Power Transformer jobs?

Cities in California with the most Power Transformer job openings:

Power Transformer jobs near you
Infographic showing various Power Transformer 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 $131,016 per year, or $63 per hour.

Mechanical Design Engineer - Sr. Mechanical Design Engineer

Delta Star, Inc.

San Carlos, CA • On-site

$110K - $162K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 14 days ago

Job description

This is an exciting time to be joining Delta Star!
We are Delta Star! The largest, American-owned medium power transformer manufacturer in the United States and the premier manufacturer of mobile transformers and mobile power substations in North America.
We are an industry-leader that has harnessed the power of electricity to reliably connect you to an essential part of modern-day life. Giving you the peace of mind you deserve to go out and make the world a better place!
Summary
Delta Star Inc. is seeking a talented and detail-oriented Mechanical Design Engineer to provide engineering leadership and design support for the mechanical components of medium voltage, mobile power transformers, and mobile substations. If you're passionate about safety, quality, and delivering innovative solutions that meet customer expectations, we'd love to hear from you!
What You'll Do
As a Mechanical Design Engineer, you'll play a key role in designing, verifying, and supporting the mechanical aspects of transformer production. From generating 3D designs to creating shop drawings and ensuring design accuracy, you'll contribute to delivering high-quality transformers that align with industry standards and customer requirements.
A Day in the Life
As a Mechanical Design Engineer, you'll create 3D core and coil designs using our engineering automation platform (EAP), verifying them against Delta Star standards and technical decisions. You'll generate internal shop drawings, develop internal connection diagrams, and design woodwork structures and lead routing using Autodesk Inventor. Your work will also include generating material usage files for ERP system integration and providing production support by resolving issues and offering technical guidance. Over time, you'll expand your role to include external transformer designs and tank drawings, along with plasma and wood routing machine programming.
Specific Duties
  • Generate 3D core and coil designs using EAP, ensuring compliance with standards.
  • Create internal core, coil, and layout shop drawings and verify for accuracy.
  • Design internal woodwork structures and perform 3D lead routing using Autodesk Inventor.
  • Develop internal connection diagrams based on transformer nameplates.
  • Produce material usage files for ERP system analysis and material ordering.
  • Provide production support by addressing missing dimensions, details, and auxiliary views.
  • Long-term responsibilities include designing external transformer parts, creating tank drawings, and programming plasma and wood routing machines.

What We're Looking For
We're seeking a highly skilled and organized professional with a strong background in mechanical engineering and power transformer design.
Position Requirements
  • Bachelor's degree in Mechanical Engineering.
  • 2-5 years of combined experience in power transformer design and engineering, with at least 2 years focused on mechanical design.

Must live or be willing to relocate to within a reasonable safe commute to the assigned plant location. Must be authorized to work in the United States for any employer for U.S. based positions.
Skills & Competencies
  • Proficiency in CAD software.
  • In-depth knowledge of power transformer design, materials, and standards.
  • Strong organizational and time management skills.
  • Proven ability to manage multiple tasks with tight deadlines.
  • Excellent problem-solving skills and the ability to collaborate effectively with teams.

Why Join Us?
At Delta Star, you'll be part of a supportive and forward-thinking team that values professionalism, efficiency, and exceptional service. We offer a comprehensive benefits package to support you and your family, including medical, dental, vision, life, and disability insurance. We also provide a 401(k) plan with matching contributions, an Employee Stock Ownership Plan (ESOP), and a corporate bonus plan.
You'll enjoy paid time off, sick pay, floating holidays, and access to flexible spending accounts and consumer benefits. Additionally, we provide a benefit bank, a wellness center to support your health and well-being, and education assistance to help you grow in your career. At Delta Star, we're committed to helping you thrive both personally and professionally.
Other Duties
Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.
AAP/EEO Statement
Delta Star is an EEO/Affirmative Action Employer and does not discriminate on the basis of age, race, color, religion, gender, sexual orientation, gender identity, gender expression, national origin, protected veteran status, disability or any other legally protected status.

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