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Power Transformer Jobs in California (NOW HIRING)

Supermicro

Power Supply Design Engineer

San Jose, CA · On-site

$100K - $120K/yr

Experienced in high power transformer design * Experience with quality control aspect (ex. DFM, FMEA) for power supply manufacturing or design is desired Salary Range $100,000 - $120,000 The salary ...

Delta Star, Inc.

Painter DSW

San Carlos, CA · On-site

$33.44 - $34.94/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 ...

Delta Star, Inc.

Driver DSW

San Carlos, CA · On-site

$40 - $45/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 ...

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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 4, 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 July 2026, with employment types broken down into 100% Full Time. Highlights an 94% In-person, and 6% Remote job distribution, with an average salary of $131,016 per year, or $63 per hour.

Materials & Components Transformer Engineer

Delta Star, Inc.

San Carlos, CA • On-site

$100K - $120K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 24 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 an innovative and technically driven Materials & Components Transformer Engineer to advance the materials used in our transformer components. If you thrive at the intersection of materials science, electrical performance, and sustainability-and love developing solutions that directly enhance product reliability and efficiency-we want to hear from you!
What You'll Do
As a Materials & Components Transformer Engineer, you will research, develop, and evaluate materials used in transformer components, with a strong focus on improving performance, reducing costs, and supporting sustainability initiatives. You'll work closely with cross-functional teams to introduce new materials, enhance manufacturing processes, and ensure adherence to industry standards.
A Day in the Life
Your day will be filled with hands-on experimentation, materials testing, and technical collaboration. You'll evaluate new materials, conduct performance testing, and characterize properties that directly impact insulation performance, magnetic behavior, and long-term reliability. You'll partner with design, manufacturing, and quality teams to translate your findings into production-ready improvements-while staying ahead of industry trends and regulatory changes in material science.
Specific Duties
  • Research and identify materials suitable for transformer applications with an emphasis on performance, cost efficiency, and environmental sustainability.
  • Develop, test, and validate new materials, coatings, and manufacturing processes.
  • Conduct material characterization and performance testing to ensure compliance with industry standards.
  • Collaborate with design, manufacturing, and quality teams to integrate new materials into production workflows.
  • Maintain detailed technical documentation and material specifications.
  • Monitor industry advancements, emerging technologies, and regulatory changes in materials science.

What We're Looking For
We're seeking a materials-focused engineer with strong analytical skills, a passion for innovation, and a deep understanding of material behavior in electrical and mechanical applications.
Position Requirements
  • Bachelor's degree in Materials Science, Mechanical Engineering, Electrical Engineering, or a related field.
  • Strong understanding of material properties, fabrication techniques, and testing methodologies.
  • Experience working with electrical insulation and magnetic materials.
  • Demonstrated analytical and problem-solving skills.
  • Ability to work both independently and collaboratively across cross-functional teams.

Preferred Qualifications
  • Master's degree or higher in Materials Science or a related discipline.
  • Prior experience in transformer or power systems manufacturing.
  • Knowledge of sustainability principles and lifecycle assessment methods.

Skills & Competencies
  • Strong technical and analytical capabilities in material characterization.
  • Ability to interpret test results and translate them into actionable recommendations.
  • Excellent documentation and specification development skills.
  • Collaborative mindset with the ability to work effectively across engineering, manufacturing, and quality teams.
  • Strong communication skills with the ability to simplify complex technical topics.
  • Curiosity and passion for emerging materials and sustainable solutions.

Key Performance Indicators (KPIs)
  • Successful development and validation of new materials
  • Improvements in material performance, cost, or sustainability metrics
  • Quality and accuracy of technical documentation
  • On-time integration of new materials into design and production
  • Cross-functional adoption and utilization of new processes or materials
  • Effectiveness of recommendations based on market and technology trends

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 coverage. Our retirement offerings vary by location but include employer contributions to retirement plans, an Employee Stock Ownership Plan (ESOP), and a corporate bonus plan.
You'll also enjoy paid time off, sick pay, floating holidays, and access to programs such as flexible spending accounts or similar consumer benefits. Additionally, we provide education assistance to help you grow in your career.
At Delta Star, we're committed to helping you thrive both personally and professionally.
Pay Transparency
We are committed to fair and transparent pay practices. Compensation for this position will be determined within the posted salary range based on factors such as candidate qualifications, relevant experience, internal equity, market competitiveness, skills, and certifications. For union-represented roles, pay is established by the applicable collective bargaining agreement.
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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