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Energy Systems Engineering Jobs in California (NOW HIRING)

EMCOR Group Inc

Mesa Energy Systems, Inc.

Santee, CA · On-site

$46 - $56/hr

... 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.

Fresno, CA · On-site

$55 - $70/hr

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

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.

Fresno, CA · On-site

$90K - $115K/yr

... Energy Systems and our client. This role is responsible for daily operations and maintenance, and ... Maintains liaison with architects, engineers and contractors/ subcontractors engaged in plant ...

EMCOR Group Inc

Mesa Energy Systems, Inc.

Chino, CA · On-site

$80K - $105K/yr

... Energy Systems and our client for small Automation projects and assisting Project Managers for ... This position will include oversight and application of Automation Programming and Engineering ...

EMCOR Group Inc

Mesa Energy Systems, Inc.

Bakersfield, CA · On-site

$38 - $43/hr

... as well as engineering applications and automated control systems. The Building Automation ... 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

$38 - $45/hr

... as engineering applications and automated control systems. The Automation Technician II will ... energy infrastructure, we offer employees a competitive salary and benefits package and we are ...

EMCOR Group Inc

Mesa Energy Systems, Inc.

Irvine, CA

$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

$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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All JobsEnergy Systems Engineering JobsEnergy Systems Engineering Jobs in California

Energy Systems Engineering information

See California salary details

$59.7K

$140.2K

$193.4K

How much do energy systems engineering jobs pay per year?

As of Aug 9, 2026, the average yearly pay for energy systems engineering in California is $140,209.00, according to ZipRecruiter salary data. Most workers in this role earn between $112,500.00 and $170,700.00 per year, depending on experience, location, and employer.

What does an energy systems engineer do?

An energy systems engineer designs, analyzes, and optimizes energy systems to improve efficiency and sustainability. They work with power generation, distribution, and renewable energy technologies, often using modeling tools and requiring knowledge of engineering principles and environmental considerations.

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 solid background in electrical or mechanical engineering, renewable energy technologies, and energy management principles, typically supported by a relevant degree. Familiarity with simulation software such as MATLAB, HOMER, or ETAP, as well as certifications like Certified Energy Manager (CEM), are commonly required. Strong analytical thinking, problem-solving abilities, and effective communication skills are key soft skills for this role. These competencies are crucial for designing, optimizing, and implementing efficient energy systems that meet industry standards and sustainability goals.

What is an energy systems engineer?

An Energy Systems Engineering job involves designing, analyzing, and optimizing energy systems to improve efficiency, sustainability, and reliability. Engineers in this field work with renewable and conventional energy sources, energy storage, and grid integration. They may be involved in energy policy, system modeling, and implementing new technologies. Their goal is to create cost-effective and environmentally friendly energy solutions for industries, utilities, and communities.

What are the typical career advancement opportunities for an energy systems engineer?

Energy Systems Engineers can pursue a variety of career paths, progressing into roles such as senior engineer, project manager, systems architect, or consultant as they gain experience and expertise. Many professionals in this field also specialize further in areas like renewable energy integration, smart grid technologies, or energy policy. Advancement often comes with taking on more complex projects, managing multidisciplinary teams, and obtaining advanced certifications. Organizations frequently support ongoing professional development, allowing engineers to expand their technical and leadership skills. This field offers dynamic growth as demand for sustainable energy solutions continues to rise.

What can I do with a degree in energy systems engineering?

A degree in energy systems engineering prepares individuals for roles such as energy analyst, renewable energy engineer, power systems engineer, or energy project manager. These positions involve designing, analyzing, and optimizing energy systems, often requiring knowledge of electrical systems, thermodynamics, and industry standards. Graduates may work in utilities, consulting firms, government agencies, or renewable energy companies, often utilizing tools like simulation software and pursuing certifications such as PE or LEED.
What are the most commonly searched types of Energy Systems Engineering jobs in California? The most popular types of Energy Systems Engineering jobs in California are:
What are popular job titles related to Energy Systems Engineering jobs in California? For Energy Systems Engineering jobs in California, the most frequently searched job titles are:
What job categories do people searching Energy Systems Engineering jobs in California look for? The top searched job categories for Energy Systems Engineering jobs in California are:
What cities in California are hiring for Energy Systems Engineering jobs? Cities in California with the most Energy Systems Engineering job openings:
Energy Systems Engineering jobs near you
Infographic showing various Energy Systems Engineering job openings in California as of August 2026, with employment types broken down into 10% Internship, and 90% Full Time. Highlights an 90% In-person, and 10% Remote job distribution, with an average salary of $140,209 per year, or $67.4 per hour.

Mesa Energy Systems, Inc.

EMCOR Group Inc

San Leandro, CA • On-site

$43 - $53/hr

Full-time

Medical, Dental, Vision, Life, Retirement

Re-posted 28 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.


The Application Engineer II will be responsible to coordinate the planning and design of control systems to include programming and system configuration.


• Identify MEP systems on drawings.
• Understand the intent of individual mechanical equipment such as: Chillers, Boilers, Pumps, AHU’s, FCU’s, VAV’s, EF’s.
• Design complex electrical circuits such as: VFD’s, Motor Starters, Transducers, Actuators, Sensors, and Relay Logic.
• Visio and AutoCAD knowledge
• Advanced knowledge of controls hardware.
• Select control hardware based on equipment requirements.
• Discover new control technologies to enhance our existing product offering.
• Create P&ID’s based on mechanical equipment only.
• Develop controls submittals with little to no assistance from senior level engineers.
• Identify potential scopes of work for controls implementation.
• Interact with field electricians and specify methods of installation.


• Bachelor’s degree in Engineering (preferably Electrical or Mechanical) or equivalent field experience.
• 4+ years of relevant experience, with at least 2 years in applications engineering.
• EIT or PE license desired.
• Engineering skills required include knowledge of electronics, mechanics, hydraulics, pneumatics, and computer programming.
• Working knowledge of at least two HVAC controls systems (preferably Distech, Delta, Schneider or JCI)
• 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: $43 - $53 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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