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Energy Systems Engineer Jobs in California (NOW HIRING)

EMCOR Group Inc

Mesa Energy Systems, Inc.

Chino, CA · On-site

$54 - $68/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

... Response, and Energy solutions. * Analyze systems and develop scope of work for controls ... Bachelor's degree in engineering (preferably Electrical or Mechanical) or equivalent field ...

EMCOR Group Inc

Mesa Energy Systems, Inc.

Fresno, CA

$55 - $70/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Provides Plans & Control System Documents to application engineering for as-built drawings using ... energy infrastructure, we offer employees a competitive salary and benefits package and we are ...

EMCOR Group Inc

Mesa Energy Systems, Inc.

West Sacramento, CA · On-site

$29 - $34/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

This position will provide drafting and engineering support to the Mesa Energy Systems Engineering Group. The Mechanical Drafter I will apply their drafting experience to support the Engineers and ...

FUTURE ENERGY ENTERPRISES LLC

Energy Engineer III

Berkeley, CA · On-site

$135K - $171K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

... building energy systems. Demonstrated interest in clean energy technologies and strategies ... Bachelor's Degree in Engineering, Building Science, or related field/experience * Skills:

EMCOR Group Inc

Mesa Energy Systems, Inc.

San Leandro, CA · On-site

$33 - $45/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

... engineering applications and automated control systems. This position is responsible for the ... Energy Analyst will support Project Manager (PM) to ensure deliverables are accurately and timely ...

EMCOR Group Inc

Mesa Energy Systems, Inc.

West Sacramento, CA · On-site

$35 - $40/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

This position will provide drafting and engineering support to the Mesa Energy Systems Engineering Group. The Mechanical Drafter II will apply their drafting experience to support the Engineers and ...

EMCOR Group Inc

Mesa Energy Systems, Inc.

Thousand Oaks, CA · On-site

$63 - $83/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Provides Plans & Control System Documents to application engineering for as-built drawings using ... energy infrastructure, we offer employees a competitive salary and benefits package and we are ...

EMCOR Group Inc

Mesa Energy Systems, Inc.

Fresno, CA · On-site

$42 - $48/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Application Engineer II Principal Duties and Responsibilities * Identify MEP systems on drawings ... energy infrastructure, we offer employees a competitive salary and benefits package and we are ...

EMCOR Group Inc

Mesa Energy Systems, Inc.

Santee, CA · On-site

$46 - $56/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

... energy solutions. Our integrated, single-source solutions include turnkey in-house capabilities ... as engineering applications and automated control systems. The Automation Technician III will ...

EMCOR Group Inc

Mesa Energy Systems, Inc.

Irvine, CA · On-site

$31.32 - $65.49/hr

... engineering applications and automated control systems. * Maintain daily operations of boilers ... energy infrastructure, we offer employees a competitive salary and benefits package and we are ...

EMCOR Group Inc

Mesa Energy Systems, Inc.

Los Angeles, CA · On-site

$31.32 - $56.95/hr

... engineering applications and automated control systems. * Maintain daily operations of boilers ... energy infrastructure, we offer employees a competitive salary and benefits package and we are ...

EMCOR Group Inc

Mesa Energy Systems, Inc.

Fresno, CA · On-site

$29.31 - $56.18/hr

... engineering applications and automated control systems. * Maintain daily operations of boilers ... energy infrastructure, we offer employees a competitive salary and benefits package and we are ...

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Showing results 21-40

All JobsEnergy Systems Engineer JobsEnergy Systems Engineer Jobs in California

Energy Systems Engineer information

See California salary details

$52.8K

$125.5K

$164.8K

How much do energy systems engineer jobs pay per year?

As of Aug 13, 2026, the average yearly pay for energy systems engineer in California is $125,549.00, according to ZipRecruiter salary data. Most workers in this role earn between $96,700.00 and $154,900.00 per year, depending on experience, location, and employer.

What are some typical projects or responsibilities that an energy systems engineer might handle on a daily basis?

As an Energy Systems Engineer, you may work on projects involving the design, analysis, and optimization of power generation or distribution systems, implementation of renewable energy solutions, or integration of energy storage. Daily tasks often include conducting system modeling and simulations, preparing technical reports, collaborating with multidisciplinary teams, and liaising with clients or stakeholders to align project goals. You may also be responsible for monitoring system performance, troubleshooting issues, and staying updated with evolving technologies and regulations in the energy sector. This variety ensures a dynamic work environment and valuable opportunities to grow your expertise in sustainable energy solutions.

What are the key skills and qualifications needed to thrive as an energy systems engineer?

To thrive as an Energy Systems Engineer, you need a strong background in engineering principles, energy systems modeling, and renewable energy technologies, typically supported by a degree in electrical, mechanical, or energy engineering. Familiarity with simulation tools like MATLAB/Simulink, energy management systems (EMS), and relevant certifications such as Professional Engineer (PE) licensure is highly beneficial. Strong problem-solving abilities, project management skills, and effective communication are critical soft skills in this field. These competencies enable professionals to design, optimize, and implement efficient energy solutions that meet both technical requirements and client needs.

What does an energy systems engineer do?

An Energy Systems Engineer designs, analyzes, and optimizes energy generation, distribution, and storage systems to improve efficiency and sustainability. They work with renewable energy sources, power grids, and energy management systems to develop innovative solutions for reducing energy consumption and costs. Their role often involves conducting simulations, assessing environmental impacts, and integrating new technologies to enhance system performance. Depending on the industry, they may work in utilities, manufacturing, or research to support the transition to cleaner and more efficient energy solutions.

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

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

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

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

Energy Systems Engineer jobs near you
Infographic showing various Energy Systems Engineer job openings in California as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 10% Part Time, 2% Temporary, 3% Contract, and 1% Nights. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $125,549 per year, or $60.4 per hour.

Mesa Energy Systems, Inc.

EMCOR Group Inc

Chino, CA • On-site

$54 - $68/hr

Full-time

Medical, Dental, Vision, Life, Retirement

Re-posted 2 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.


  • Executes project start-ups, commissioning, testing, and troubleshooting of installed BAS controls and mechanical systems on assigned projects.
  • Participates in the layout and coordination of network drops, IP addresses and monitoring tools with customer's IT Department personnel.
  • Runs complex reports to analyze system operation, works with project team to demonstrate system operation and verify consistency with the contracted scope of work.
  • Develop written sequence of operation based on mechanical drawings
  • Understand the design and intent of mechanical equipment and systems such as Chiller, Boiler, Custom AHU’s, Primary/Secondary pumping, Variable flow Chilled water plants, Clean Room Applications, Demand Response, and Energy solutions.
  • Analyze systems and develop scope of work for controls implementation, create control algorithms, download source code to controllers and manage databases.
  • Give technical presentations on building automation, controls, and emerging technology and experience in multiple systems integration.
  • Participates in final inspection and testing, assures customer acceptance, and conducts training for end user customers on system operations.

  • Bachelor’s degree in engineering (preferably Electrical or Mechanical) or equivalent field experience.
  • Strong networking background required
  • 8+ years of direct automation experience with control system architecture design and programing required
  • 6+ years of experience with Niagara AX/N4, Distech, Delta, or similar systems.
  • Knowledge of Direct Digital Controls, BACnet, MODbus, Tridium, Schneider, and Delta required.
  • Must have working knowledge of HVAC systems - Unitary Systems to Central Plants
  • Engineering skills required include knowledge of electronics, mechanics, hydraulics, pneumatics, and computer programming.
  • Excellent verbal and written communication skills.
  • Experience with control system architecture design, programing, or maintenance desired.

#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: $54 - $68 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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