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Energy Engineer Intern Jobs in California (NOW HIRING)

M Wave Design Corporation

Engineer intern

Simi Valley, CA · On-site

$17.25 - $22.50/hr

Job Summary / Objectives The Intern position is focused on Engineering or Physics students that can ... High energy with can do attitude * Strong team contributor in a dynamic workflow environment with ...

APTIM

Civil Engineer Intern

Concord, CA · On-site

$25 - $29/hr

The Civil Engineer Intern will support civil engineering teams in the planning, design, analysis ... energy customers. Together, we create sustainable and resilient communities for all. What you can ...

Shimmick

Field Engineer Intern

San Francisco, CA · On-site

$26 - $30/hr

Overview Shimmick is actively seeking a highly motivated Field Engineer Intern for employment at a ... Water Resources, Climate Resliance, Energy Transition and Technology, and Sustainable ...

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All JobsEnergy Engineer Intern JobsEnergy Engineer Intern Jobs in California

Energy Engineer Intern information

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$11

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$31

How much do energy engineer intern jobs pay per hour?

As of Aug 7, 2026, the average hourly pay for energy engineer intern in California is $20.97, according to ZipRecruiter salary data. Most workers in this role earn between $16.97 and $23.94 per hour, depending on experience, location, and employer.

What does an energy engineer intern do?

An Energy Engineer Intern assists professional engineers in analyzing and improving energy systems within buildings, industrial facilities, or renewable energy projects. Their tasks often include collecting and interpreting data, performing energy audits, developing recommendations for efficiency improvements, and supporting the design or implementation of energy-saving measures. Interns also help with research, report writing, and sometimes participate in fieldwork or site visits. This role provides hands-on experience with real-world energy challenges and helps build a foundation for a future career in energy engineering.

What is the difference between Energy Engineer Intern vs Mechanical Engineering Intern?

AspectEnergy Engineer InternMechanical Engineering Intern
Required CredentialsTypically pursuing or holding a degree in energy engineering, mechanical engineering, or related fieldsUsually pursuing or holding a degree in mechanical engineering or related disciplines
Work EnvironmentOften involved in energy systems, sustainability projects, and renewable energy initiativesEngaged in product design, manufacturing processes, and mechanical systems
Employer & Industry UsageUsed by energy companies, consulting firms, and industrial plants focusing on energy efficiencyCommon in manufacturing, automotive, aerospace, and product development sectors

While both roles involve engineering principles, an Energy Engineer Intern focuses on energy systems, efficiency, and sustainability projects, whereas a Mechanical Engineering Intern works on mechanical design, manufacturing, and product development. The roles share similar educational backgrounds but differ in industry focus and project types.

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

To thrive as an Energy Engineer Intern, you need a solid foundation in engineering principles, energy systems, and data analysis, often supported by coursework in mechanical or electrical engineering. Familiarity with tools like AutoCAD, MATLAB, and energy modeling software such as RETScreen or EnergyPlus is typically expected. Strong problem-solving abilities, attention to detail, and effective communication skills help interns stand out in collaborative project environments. These skills and qualities are crucial for accurately analyzing energy data, contributing to efficiency projects, and supporting the technical needs of energy engineering teams.
What are the most commonly searched types of Energy Engineer jobs in California? The most popular types of Energy Engineer jobs in California are:
What are popular job titles related to Energy Engineer Intern jobs in California? For Energy Engineer Intern jobs in California, the most frequently searched job titles are:
What job categories do people searching Energy Engineer Intern jobs in California look for? The top searched job categories for Energy Engineer Intern jobs in California are:
What cities in California are hiring for Energy Engineer Intern jobs? Cities in California with the most Energy Engineer Intern job openings:
Energy Engineer Intern jobs near you
Infographic showing various Energy Engineer Intern job openings in California as of August 2026, with employment types broken down into 80% Full Time, 19% Part Time, and 1% Contract. Highlights an 93% Physical, 3% Hybrid, and 4% Remote job distribution, with an average salary of $43,617 per year, or $21 per hour.

Test Engineer Intern, ESS (Fall 2026)

Peak Energy

Burlingame, CA • On-site

$30/hr

Internship

Medical, Dental, Vision, Retirement

Re-posted 2 days ago

Job description

Job Title: Test Engineer Intern
Location: Burlingame, CA
Department: Engineering
Reports To: Senior Manager, Test Engineering
Position Type: Internship (Fall 2026)
About Peak Energy
Peak Energy is the first American venture to advance globally proven Sodium-Ion battery systems as the storage standard for the new era of renewable energy on a resilient grid.
Sodium-Ion is cheap, readily available and safe, making it the leading contender in a rapidly evolving market.
Our leadership team is powered by decades of expertise in scaling gigawatt-level innovation at world-class companies such as Tesla, Northvolt, Apple, Powin, Enovix, Zipline, Solid Power, and Fluence. We are backed by strategic investment and product partners such as TDK Ventures and Eclipse Ventures.
We are a team of engineers, operators, entrepreneurs, and partners driven by a shared ambition to set the new performance standard for renewable energy and grid resilience.
About the Role - Test Engineer Intern
We are looking for a Test Engineer Intern to support our testing and functional verification efforts for our energy storage systems, from battery to power electronics. This role will work closely with design and simulation teams to understand needs, develop procedures, set up and run tests, and report on findings that directly inform the design direction of our products.
You will interface with design, simulation, and manufacturing engineering partners and gain hands-on experience across a fast-moving, early-stage energy company. Candidates should be available to begin employment in Fall 2026.
The ideal candidate is a self-starter who is hungry for knowledge, holds themselves and others to high standards, and brings a get-it-done attitude to every challenge - big or small.
What You'll Do
  • Conduct comprehensive testing of functional, high voltage, thermal, and mechanical systems across our energy storage products
  • Develop test strategies, plans, and procedures to evaluate key risks
  • Spearhead the design and acquisition of testing infrastructure
  • Collaborate with engineering teams to ensure design integrity and drive improvements
  • Analyze complex test data, report findings, and drive system enhancements
  • Identify, diagnose, and resolve intricate technical issues during testing
  • Perform root cause analysis on system failures and develop corrective and preventive actions
  • Drive innovation in testing methodologies and practices
  • Interface tightly with design, simulation, and manufacturing engineering partners to inform design decisions
  • Maintain detailed records of tests, analyses, and corrective actions; prepare reports and presentations for internal and external stakeholders
  • Drive and participate in a culture of rapid prototyping and automation

What You'll Bring
  • Working towards a Bachelor's degree in Mechanical Engineering, Electrical Engineering, Aerospace Engineering, or a related field
  • Experience in test engineering, preferably within battery storage or renewable energy sectors
  • Strong understanding of electromechanical engineering first principles
  • Proficiency in data processing and analysis tools
  • Excellent problem-solving skills with the ability to think critically and act decisively
  • Strong communication skills with the ability to present complex technical information clearly to both technical and non-technical stakeholders
  • Ability to work collaboratively in a fast-paced, dynamic environment
  • Proactive ownership mindset with a strong sense of accountability

Preferred Qualifications
  • Experience with battery systems, energy storage, or power electronics testing
  • Familiarity with automated test systems or rapid prototyping workflows
  • Background in reliability, abuse, or environmental stress testing

Peak Energy is committed to building a diverse and inclusive workforce. We strongly encourage women, people of color, and individuals from underrepresented groups to apply. We value skills, potential, and perspective over specific credentials. If you're excited about this role but your experience doesn't look perfect on paper, we still want to hear from you.
Our Core Values
  • Speed Through Focus - Move fast but understand why. Focus on the goal, don't sacrifice quality.
  • Mission Over Self - It's about the greater good; confident humility. Take ownership and accountability.
  • Face the Brutal Truth - Transparency, honesty, big picture curiosity. Fearless decision making.
  • Be a Good Person - Kindness, collaboration and teamwork.

Compensation & Benefits
The pay for this role is $30/hour. Our competitive benefits package includes:
  • Flexible time off
  • Comprehensive medical, dental, and vision coverage
  • Strong 401(k) plan
  • Equity opportunities
  • Many great work perks

Join us to thrive in a supportive environment while making a meaningful impact in the energy sector!
At Peak Energy Technologies Inc., we believe that a diverse and inclusive workplace makes us a more capable, innovative, and competitive company. We welcome people who represent diversity in their backgrounds, ethnicities, cultures, and experiences. Peak Energy Technologies Inc. is an equal opportunity employer, aiming to reach our company's full potential by cultivating an inclusive workforce. We do not discriminate on the basis of race, color, ancestry, religion, national origin, sexual orientation, citizenship, marital or family status, disability, gender identity or expression, veteran status, or any other legally protected status.

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