ZipRecruiter

Log In

1

Geothermal Jobs in California (NOW HIRING)

Calpine

Business Manager

Middletown, CA · On-site

$98K - $124K/yr

CEG), is America's largest generator of electricity from natural gas and geothermal resources with operations in competitive power markets. With 79 energy facilities in operation, Calpine's fleet has ...

Calpine

Process Control Engineer III

Middletown, CA · On-site

$109K - $139K/yr

CEG), is America's largest generator of electricity from natural gas and geothermal resources with operations in competitive power markets. With 79 energy facilities in operation, Calpine's fleet has ...

Tyndall HVAC Inc

HVAC Technician

Antioch, CA · On-site

Experience with operation and maintenance of chillers, heat pumps, air handlers, and geothermal systems * Ability to climb ladders, crawl, and lift 40 pounds

Redline Air, Inc.

HVAC Technician

Chino, CA · On-site

$30 - $45/hr

Experience with operation and maintenance of chillers, heat pumps, air handlers, and geothermal systems * Ability to climb ladders, crawl, and lift 40 pounds

Tyndall HVAC Inc

HVAC Technician

Antioch, CA · On-site

Experience with operation and maintenance of chillers, heat pumps, air handlers, and geothermal systems * Ability to climb ladders, crawl, and lift 40 pounds

previous page

Showing results 41-60

All JobsGeothermal JobsGeothermal Jobs in California

Geothermal information

See California salary details

$15

$37

$77

How much do geothermal jobs pay per hour?

As of Aug 17, 2026, the average hourly pay for geothermal in California is $37.01, according to ZipRecruiter salary data. Most workers in this role earn between $25.14 and $42.69 per hour, depending on experience, location, and employer.

What are geothermal jobs?

Geothermal jobs are positions involved in the exploration, development, operation, and maintenance of geothermal energy systems. These roles typically include engineers, drill operators, geologists, plant operators, technicians, and environmental scientists who work to harness heat from the earth for electricity generation or direct heating applications. Geothermal jobs can be found in power plants, research institutions, consulting firms, and government agencies. These careers often require specialized training or education in earth sciences, engineering, or technical trades related to energy. The sector is growing as more countries invest in renewable energy solutions to address climate change.

What are the key skills and qualifications needed to thrive as a geothermal engineer, and why are they important?

To thrive as a Geothermal Engineer, you need a solid background in geology, mechanical or civil engineering, and a relevant engineering degree. Familiarity with geothermal modeling software, drilling technologies, and safety certifications such as OSHA are typically required. Problem-solving, teamwork, and strong project management skills help professionals excel in this role. These competencies are vital for designing efficient geothermal systems, ensuring safety, and managing complex projects within the renewable energy sector.

What are some typical challenges faced by professionals working in the geothermal industry, and how can they be addressed?

Professionals in the geothermal industry often encounter challenges such as securing suitable drilling sites, navigating complex regulatory requirements, and managing the high upfront costs of project development. Close collaboration with geologists, engineers, and regulatory agencies is essential to overcome these hurdles. Additionally, staying updated with technological advancements and environmental best practices can help mitigate risks and ensure project success. Building strong project management and cross-disciplinary teamwork skills is also crucial for navigating the complexities of geothermal operations.

What is the difference between Geothermal vs Geothermal Technician?

AspectGeothermalGeothermal Technician
Required CredentialsGeothermal engineers often need a bachelor's degree in engineering or geology; technicians typically require an associate degree or technical certification.Associate degree or technical certification in geothermal systems or related fields.
Work EnvironmentDesign, research, and development in labs or office settings, with site visits for project assessment.Fieldwork on installation, maintenance, and repair of geothermal systems.
Industry UsageUsed in project planning, system design, and research within the geothermal energy industry.Hands-on installation, troubleshooting, and maintenance of geothermal systems.

While both roles are integral to geothermal energy, Geothermal professionals focus on design and research, whereas Geothermal Technicians handle installation and maintenance tasks. Understanding these differences helps in choosing the right career path or job search focus within the geothermal industry.

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

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

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

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

What cities in California are hiring for Geothermal jobs?

Cities in California with the most Geothermal job openings:

Geothermal jobs near you
Infographic showing various Geothermal job openings in California as of August 2026, with employment types broken down into 90% Full Time, and 10% Part Time. Highlights an 100% In-person job distribution, with an average salary of $76,988 per year, or $37 per hour.

Process Control Engineer III

Calpine Corporation

Middletown, CA • On-site

$109K - $139K/yr

Other

Posted 3 days ago

New

Calpine rating

8.7

Company rating: 8.7 out of 10

Based on 10 frontline employees who took The Breakroom Quiz

Job description

Calpine, a business unit of Constellation Energy Corporation (Nasdaq: CEG), is America's largest generator of electricity from natural gas and geothermal resources with operations in competitive power markets. With 79 energy facilities in operation, Calpine's fleet has the capacity to generate approximately 27,000 MW of electricity - enough to power approximately 27 million homes. Through wholesale power operations and its retail businesses, Calpine serves customers in 22 states and Canada. Its clean, efficient, modern and flexible fleet uses advanced technologies to generate power in a low-carbon and environmentally responsible manner.
The company was established on the premise that a strong commitment to the environment is inextricably linked to excellence in power generation and corporate responsibility. Since its founding in 1984, Calpine has led the power industry in its unwavering commitment to environmental stewardship. In addition, its renewable geothermal plants use steam generated deep below the earth's surface to produce clean, renewable electricity.
Job Summary (includes but is not limited to the following, other duties may be assigned)
Process Control Engineer for Calpine Geysers - Primarily responsible for work on balance of plant and steamfield controls
Job Scope & Technical Excellence
  • Comprehensive knowledge.
  • Seasoned professional with advanced applied experience.
  • Applies advanced skills contributing to knowledge areas within function, but not yet an expert in all.
  • Develop and implement control logic changes on Allen-Bradley ControlLogix systems.
  • Support OT systems as required, including working with virtual servers and network.
  • Lead informal training sessions for Operations and colleagues on logic changes and controls skills.

Decision Making & Impact
  • Makes recommendations on moderately complex issues regarding project components and tasks.
  • May make recommendations on new processes, tools and services; supports and contributes to development of new products, services or techniques.
  • Reviews P&IDs, PFDs, HGLs and pump curves to assist engineering with new project designs.

Work Complexity
  • Works on problems of diverse scope ranging from moderate to complex.
  • Uses independent judgment requiring in-depth analysis of variable factors. Collaborates with senior professionals in selection of methods, techniques, and analytical approach

Self-Management & Leadership
  • Works under limited supervision.
  • Prioritizes own weekly schedule and may guide others in the completion of tasks within clearly defined schedules as set by management.
  • Regularly provides on-the-job skills training to others in complex technical areas.

Process Control Engineer III - Qualifications
  • Bachelor's degree Engineering
  • 10+ yrs related experience
  • Experience with RSLogix, Ovation, ABB controls system design, network design, programming, and maintenance.
  • OEM Field Service or Engineering Service experience is highly desirable.
  • Experience with VMWare ESXi and Cisco IOS a plus
  • Experience reading pump curves and sizing control valves a plus

Salary Information
  • Salary Range - $109,779.00 - $139,968.00

Additional Calpine Information
  • Equal Opportunity Employer of Minorities, Females, Protected Veterans, and Individuals with Disabilities.
  • Calpine is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants with physical and/or mental disabilities. If you are interested in applying for employment and need special assistance or an accommodation to use our website or to apply for a position, please send an e-mail with your request to Determination on requests for reasonable accommodation are made on case-by-case basis.

Please view Equal Employment Opportunity Posters provided by OFCCP here.
Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
This employer is required to notify all applicants of their rights pursuant to federal employment laws.
For further information, please review the Know Your Rights notice from the Department of Labor.

What Calpine employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

Apply