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Energy Efficiency Engineer Jobs (NOW HIRING)

Experience with energy efficiency engineering within buildings * Certified Energy Manager (CEM) certification and/or state certification as an Engineer in Training (EIT) or Professional Engineer

Experience with energy efficiency engineering within buildings * Certified Energy Manager (CEM) certification and/or state certification as an Engineer in Training (EIT) or Professional Engineer

The Energy Efficiency Technician (EET) performs facility tune-ups at industrial sites and supports ... The EET works closely with engineering and SEM staff to identify energy saving opportunities and ...

The Range and Efficiency Engineer ensures optimal vehicle performance by improving aerodynamics, rolling resistance, powertrain efficiency. * Set and track range and efficiency targets specific to ...

In this role, the engineer will provide energy advice and coordination services for energy efficiency programs; these services may include building maintenance, lighting, controls, heating ...

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Energy Efficiency Engineer information

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$18

$44

$53

How much do energy efficiency engineer jobs pay per hour?

As of Aug 12, 2026, the average hourly pay for energy efficiency engineer in the United States is $44.84, according to ZipRecruiter salary data. Most workers in this role earn between $44.23 and $50.00 per hour, depending on experience, location, and employer.

What is the difference between Energy Efficiency Engineer vs Mechanical Engineer?

AspectEnergy Efficiency EngineerMechanical Engineer
CredentialsBachelor's in engineering, certifications like LEED or Certified Energy ManagerBachelor's or higher in mechanical engineering, PE license often preferred
Work EnvironmentDesigning energy-saving systems, analyzing energy consumption, consulting on efficiency projectsDesigning mechanical systems, manufacturing, maintenance, and product development
Industry UsageBuilding design, energy consulting firms, utility companiesManufacturing, automotive, aerospace, HVAC industries

Energy Efficiency Engineers focus on optimizing energy use and reducing consumption through specialized systems and strategies, often working closely with building and energy projects. Mechanical Engineers have a broader scope, designing and analyzing mechanical systems across various industries. While both roles require engineering credentials, their focus areas and work environments differ significantly.

What are the key skills and qualifications needed to thrive as an energy efficiency engineer, and why are they important?

To thrive as an Energy Efficiency Engineer, you need a solid background in mechanical or electrical engineering, energy systems, and building science, usually supported by a bachelor's degree in engineering or a related field. Familiarity with energy modeling software (such as eQUEST or EnergyPlus), building codes, and certifications like CEM (Certified Energy Manager) are typically required. Strong analytical thinking, problem-solving abilities, and effective communication with clients and project teams set top performers apart. These skills and qualifications are vital to accurately assess, design, and implement solutions that optimize energy use and achieve sustainability goals.

What are some common challenges energy efficiency engineers face when implementing new projects?

Energy Efficiency Engineers often encounter challenges such as balancing client expectations with realistic energy savings, navigating regulatory requirements, and ensuring that upgrades or retrofits are compatible with existing systems. Additionally, they may face resistance to change from facility staff or budget constraints that limit the scope of recommended improvements. Successful engineers proactively communicate project benefits, work closely with cross-functional teams, and stay updated on the latest energy technologies to overcome these obstacles.

What does an energy efficiency engineer do?

As an energy efficiency engineer, your job is to provide technical expertise and help with the development of energy-saving plans for customers in industrial, commercial, and residential areas. The most important part of this is determining the best way to improve the efficiency of your client's energy systems. As part of this, you audit their use of electricity, calculate the most efficient way to power something, and use modeling software to see if solar panels make sense for a particular structure. Most clients want to see savings on their energy bills, so while helping them achieve those savings, you also recommend other ways to go green, such as installing Energy Star-compliant equipment.

What cities are hiring for Energy Efficiency Engineer jobs? Cities with the most Energy Efficiency Engineer job openings:
Who are the top companies hiring for Energy Efficiency Engineer jobs? The top employers for Energy Efficiency Engineer jobs are:
What states have the most Energy Efficiency Engineer jobs? States with the most job openings for Energy Efficiency Engineer jobs include:
Infographic showing various Energy Efficiency Engineer job openings in the United States as of August 2026, with employment types broken down into 89% Full Time, 8% Part Time, 2% Contract, and 1% Nights. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution, with an average salary of $93,276 per year, or $44.8 per hour.

Buildings Energy Engineer

Siemens

Sacramento, CA • On-site

Full-time

Re-posted 10 days ago


Siemens rating

7.7

Company rating: 7.7 out of 10

Based on 100 frontline employees who took The Breakroom Quiz

262nd of 447 rated engineering


Job description

Position Location: This role supports our Sacramento branch location, which serves customers throughout the greater Sacramento area.
Here at Siemens, we take pride in enabling sustainable progress through technology. We do this through empowering customers by combining the real and digital worlds. We are improving how we live, work, and move today and for the next generation! We know that the only way a business thrives is if our people are thriving. That's why we always put our people first. Our global, diverse team would be happy to support you and challenge you to grow in new ways. Who knows where our shared journey will take you?
Our Smart Buildings help to create efficient, safe, adaptable, and responsible environments. Our aim isn't just about improving buildings; it's about creating perfect places that improve people's lives.
Transform the everyday with us!
At Siemens we believe in Global Corporate Citizenship and creating perfect places for our customers. We are looking for bright and passionate talent to help tackle some of our Customer's most pressing challenges.
The Associate Buildings Energy Engineer or Buildings Energy Engineer role involves working closely with our existing Siemens Customers to help improve their facility's energy efficiency and carbon footprint. This will involve performing energy audits, energy calculations, existing building commissioning, designing custom solutions and participating in Customer facing presentations. This position also requires coordinating business development strategy with sales and technology solution managers within Siemens. The ideal candidate would be someone comfortable with taking a leading role and has a passionate for customer service as well as energy efficiency. The focus of this position is to drive the Energy Services business within the local market for Siemens Smart Infrastructure.
As an Associate Buildings Energy Engineer OR Buildings Energy Engineer, you will:
  • Perform energy calculations (such as weather-based BIN calculations).
  • Apply building energy simulation programs to develop energy, cooling, and heating load-building models using modeling software.
  • Analyze blueprints to identify mechanical, electrical, and controls systems to determine facility operational characteristics.
  • Participate in pre-sale activities, working closely with Sales to identify and technically qualify customer opportunities for energy efficiency.
  • Participate and at times lead client meetings and presentations. The Associate Buildings Energy Engineer & the Buildings Energy Engineer is responsible for performing all necessary energy and design calculations needed to adequately propose facility improvement measure (FIM) recommendations.
  • Work with Siemens operations teams and outside vendors as it pertains to developing FIMs.
  • Assist and at time lead existing building commissioning projects.
  • Understanding of industry standard commissioning procedures or techniques.

You will make an impact with the following qualifications:
Basic Qualifications:
  • Legally authorized to work in the United States on a continual and permanent basis without company sponsorship
  • Must be at least 21 years old to participate in required Siemens vehicle plan and have a valid driver's license in good standing.
  • Must be able to demonstrate:
    • Presentation skills
    • Verbal and written communication skills in English
    • Experience with Mechanical HVAC systems and/or design
    • Experience with data analysis tools to identify trends and patterns
  • For the Energy Buildings Engineer Position:
    • 2+ years Mechanical HVAC systems or design experience
    • Must be able to demonstrate:
      • An understanding of HVAC design fundamentals
      • Experience with controls fundamentals

Preferred Qualifications:
  • Bachelor of Science degree in engineering or related field
  • Experience with energy efficiency engineering within buildings
  • Certified Energy Manager (CEM) certification and/or state certification as an Engineer in Training (EIT) or Professional Engineer
  • Understanding of State and Utility Incentive programs
  • Perform industry-standard (ASHRAE or equivalent) energy audits. This will require working independently to develop action plans prior to executing energy audits, properly organizing information gathered, and identification of FIM recommendations
  • 5+ Years of experience with Energy industry experiences supporting performance-based projects or energy services
  • Familiarity with MS Excel and VBA programming basics
  • For Building Energy Engineer:
    • 2+ years of experience in energy efficiency engineering within buildings
    • Experience with existing building/HVAC systems commissioning
    • Experience developing design concepts and schematics concerning recommended facility improvement measures (FIM's), including scope of work descriptions, sequences of operations, code deficiency evaluations, savings potential, cost estimates, and data to verify FIMs

Ready to create your own journey? Join us today!
About Siemens
We are a global technology company focused on industry, infrastructure, transport, and healthcare. From more resource-efficient factories, resilient supply chains, and smarter buildings and grids, to sustainable transportation as well as advanced healthcare, we create technology with purpose adding real value for customers.
Our Commitment to Equity and Inclusion in our Diverse Global Workforce
We value your unique identity and perspective. We are fully committed to providing equitable opportunities and building a workplace that reflects the diversity of society, while ensuring that we attract the best talent based on qualifications, skills, and experiences. We welcome you to bring your authentic self and transform the everyday with us.
#LI-TAG #VeteranCareers #TransitioningServiceMember #MilitarySpouse
You'll Benefit From
Siemens offers a variety of health and wellness benefits to our employees. Details regarding our benefits can be found here: https://www.benefitsquickstart.com/siemens/index.html
The pay range for this position is $55,264 - $ 115,790 annually. The Buildings Energy Engineer role also has a target incentive of 5% of the base salary. The actual wage offered may be lower or higher depending on budget and candidate experience, knowledge, skills, qualifications, and premium geographic location.
Equal Employment Opportunity Statement
Siemens is an Equal Opportunity Employer encouraging inclusion in the workplace. All qualified applicants will receive consideration for employment without regard to their race, color, creed, religion, national origin, citizenship status, ancestry, sex, age, physical or mental disability unrelated to ability, marital status, family responsibilities, pregnancy, genetic information, sexual orientation, gender expression, gender identity, transgender, sex stereotyping, order of protection status, protected veteran or military status, or an unfavorable discharge from military service, and other categories protected by federal, state or local law.
EEO is the Law
Applicants and employees are protected from discrimination on the basis of race, color, religion, sex, national origin, or any characteristic protected by Federal or other applicable law.
Reasonable Accommodations
If you require a reasonable accommodation in completing a job application, interviewing, completing any pre-employment testing, or otherwise participating in the employee selection process, please fill out the accommodations form by clicking on this link Accommodation for disability form. If you're unable to complete the form, you can reach out to our AskHR team for support at 1-866-743-6367. Please note our AskHR representatives do not have visibility of application or interview status.
Pay Transparency
Siemens follows Pay Transparency laws.
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California residents have the right to receive additional notices about their personal information. To learn more, click here.
Criminal History
Qualified applications with arrest or conviction records will be considered for employment in accordance with applicable local and state laws.

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