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Energy Systems Jobs in California (NOW HIRING)

EMCOR Group Inc

Mesa Energy Systems, Inc.

Chino, CA · On-site

$35 - $40/hr

... energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems. • Read and ...

EMCOR Group Inc

Mesa Energy Systems, Inc.

Fresno, CA

$55 - $70/hr

... energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems. * Create ...

EMCOR Group Inc

Mesa Energy Systems, Inc.

Fresno, CA

$29.31 - $56.18/hr

... energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems. * Maintain ...

EMCOR Group Inc

Mesa Energy Systems, Inc.

Irvine, CA · On-site

$31.32 - $65.49/hr

... energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems. * Maintain ...

EMCOR Group Inc

Mesa Energy Systems, Inc.

Irvine, CA

$40 - $48.08/hr

... energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems. The IT Team ...

EMCOR Group Inc

Mesa Energy Systems, Inc.

Fresno, CA · On-site

$42 - $48/hr

... energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems. Job Title:

EMCOR Group Inc

Mesa Energy Systems, Inc.

Bakersfield, CA · On-site

$38 - $43/hr

... energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems. The Building ...

EMCOR Group Inc

Mesa Energy Systems, Inc.

Santa Ana, CA · On-site

$31.32 - $56.95/hr

... energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems. * Maintain ...

EMCOR Group Inc

Mesa Energy Systems, Inc.

San Leandro, CA · On-site

$25/hr

... energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems. * Change and ...

EMCOR Group Inc

Mesa Energy Systems, Inc.

Chino, CA · On-site

$80K - $105K/yr

This position involves planning, organizing, coordinating, directing and controlling all contract functions between Mesa Energy Systems and our client for small Automation projects and assisting ...

EMCOR Group Inc

Mesa Energy Systems, Inc.

Anaheim, CA · On-site

$24/hr

... energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems. The driver ...

EMCOR Group Inc

Mesa Energy Systems, Inc.

Irvine, CA

$48.41 - $56.95/hr

... energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems. * Repair and ...

EMCOR Group Inc

Mesa Energy Systems, Inc.

Los Angeles, CA · On-site

$31.32 - $56.95/hr

... energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems. * Maintain ...

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Showing results 21-40

All JobsEnergy Systems JobsEnergy Systems Jobs in California

Energy Systems information

See California salary details

$45.4K

$100.7K

$151K

How much do energy systems jobs pay per year?

As of Sep 5, 2026, the average yearly pay for energy systems in California is $100,730.00, according to ZipRecruiter salary data. Most workers in this role earn between $76,000.00 and $123,400.00 per year, depending on experience, location, and employer.

What are energy systems jobs?

Energy systems jobs involve the design, analysis, management, and optimization of the technologies and infrastructure that generate, store, and distribute energy. Professionals in this field work with renewable and non-renewable energy sources to improve efficiency, reduce environmental impact, and ensure reliable energy supply. Roles can include energy engineers, systems analysts, project managers, and sustainability consultants, often working on projects related to power plants, smart grids, battery storage, and energy policy. These jobs are vital for transitioning to more sustainable and resilient energy systems.

What are the key skills and qualifications needed to thrive in energy systems?

To thrive in Energy Systems, you need a solid background in engineering principles, energy management, and renewable technologies, often supported by a degree in electrical, mechanical, or energy engineering. Familiarity with energy modeling software, grid management systems, and certifications such as LEED or CEM is highly valued. Strong analytical thinking, problem-solving abilities, and effective teamwork are vital soft skills in this field. These competencies are crucial for designing efficient, sustainable energy solutions and adapting to the evolving demands of the energy sector.

What are some common challenges faced by professionals working in energy systems roles?

Professionals in Energy Systems often encounter challenges such as integrating renewable energy sources with existing grids, ensuring system reliability under changing demand patterns, and keeping up with rapidly evolving technologies. Additionally, balancing regulatory compliance with innovation can be complex, as energy policies may vary between regions. Effective collaboration with cross-functional teams, such as engineers, data analysts, and policy experts, is essential for overcoming these challenges and implementing sustainable solutions.

What is the difference between Energy Systems vs Electrical Technicians?

AspectEnergy SystemsElectrical Technicians
Required CredentialsTypically requires a degree or certification in energy systems, renewable energy, or related fieldsUsually needs an electrical certification or license, with technical training in electrical systems
Work EnvironmentDesign, install, and maintain energy systems in various settings, including renewable energy facilities and industrial plantsInstall, repair, and troubleshoot electrical systems in commercial, industrial, or residential settings
Employer & Industry UsageUsed by energy companies, renewable energy firms, and industrial sectors focusing on energy efficiencyCommon in construction, manufacturing, and maintenance industries

While both roles involve electrical knowledge, Energy Systems professionals focus on designing and managing energy solutions, often with a broader scope including renewable sources. Electrical Technicians primarily handle electrical installation and repairs. Understanding these differences helps in choosing the right career path or job search focus.

What are popular job titles related to Energy Systems jobs in California?

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

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

The top searched job categories for Energy Systems jobs in California are:

What cities in California are hiring for Energy Systems jobs?

Cities in California with the most Energy Systems job openings:

Energy Systems jobs near you
Infographic showing various Energy Systems job openings in California as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 11% Part Time, 3% Contract, and 1% Nights. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $100,730 per year, or $48.4 per hour.

Mesa Energy Systems, Inc.

EMCOR Group Inc

Chino, CA • On-site

$35 - $40/hr

Full-time

Medical, Dental, Vision, Life, Retirement

Re-posted 25 days ago

Job description

We are a full-service HVAC, building automation, chiller, and retrofit contractor with a reputation for combining high-quality consulting services with customized energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities with design assistance, as well as engineering applications and automated control systems.


• Read and identify mechanical equipment on floor plans.
• The ability to identify mechanical equipment on drawings the following: Chillers, Boilers, Pumps, AHU’s, FCU’s, VAV’s, and EF’s.
• Understand basic electrical control circuits including 24VAC power and controller input/outputs.
• Be proficient and utilize Visio and or AutoCAD.
• Understand simple controls networking principles.
• Display knowledge of controls hardware
• Create P&ID’s based on contract drawings P&ID’s
• Develop controls submittals with assistance from senior level application engineers.
• Understand simple installation methods.
• Ability to implementation systems graphics per project scope
• Create guidelines, standards and templates for typical projects.
• Basic knowledge of the National Electric Code (NEC) requirements for control system installations.


• Bachelor’s degree in engineering (preferably Electrical or Mechanical) or equivalent field experience.
• 2+ years of relevant experience, with at least 2 years in applications engineering preferred.
• Engineering skills required include knowledge of electronics, mechanics, hydraulics, pneumatics, and computer programming.
• Working knowledge of at least one HVAC controls systems (preferably Delta, JCI or Andover)
• Excellent verbal and written communication skills.
• Experience with control system architecture design, programing, or maintenance desired.
• EIT or desire to obtain a PE license a plus.

#Mesa #LI-Mesa #LI-HVACjobs #LI-Onsite  


As a leading provider of mechanical and electrical construction, facilities services, and energy infrastructure, we offer employees a competitive salary and benefits package and we are always looking for individuals with the talent and skills required to contribute to our continued growth and success. Equal Opportunity Employer/Veterans/Disabled

Please review our Affirmative Action Policy.


Notice to prospective employees: There have been fraudulent postings and emails regarding job openings. EMCOR Group and its companies list open positions here. Please check our available positions to confirm that a post or email is genuine.
EMCOR Group and its companies do not reach out to individuals to help with marketing or other similar services. If an individual is contacted for services outside of EMCORs normal application process it is probably fraudulent.

Compensation Range: $35 - $40 per hour 

Benefits: We are committed to providing employees a comprehensive benefits package which includes medical, dental, and vision coverage, along with health savings and flexible spending accounts, life insurance, disability, a 401(k) Savings Plan, College Coach and employee assistance program

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