Commissioning Engineer Jobs in California
Commissioning engineer jobs in California are consistently active, with strong demand concentrated in clean energy, semiconductors, data centers, and large-scale construction across the full seniority range from entry-level field technicians to senior systems engineers. The biggest hiring metros are Los Angeles, San Francisco Bay Area, and San Diego, where employers like Siemens, Johnson Controls, and Pacific Gas and Electric maintain lasting operations and steady headcount for commissioning roles. The most in-demand specialties are building automation systems, electrical and mechanical commissioning, and renewable energy installations. Find a role that fits below and apply directly.
Find Commissioning Engineer JobsOverview
Showing 5 of 22+ Commissioning Engineer jobs
Job Ref: HP-3113
BESS Commissioning Engineer - Barstow, California, USA - $Excellent Day Rate + Expenses - 3 Month Contract + Likely Extensions - January 2027 Start - W2 Engagement Structure
We are supporting a leading global energy technology business with the appointment of multiple Commissioning Engineers / Technicians for a major BESS augmentation project in California.
The project is expected to mobilize in January 2027, with commissioning activities running until approximately April 2027.
This is an electrically focused commissioning position, with engineers responsible for hands-on commissioning, troubleshooting, fault finding and verification of electrical circuits across the BESS installation.
Key Details:
- Location: Barstow, California, USA
- Start Date: January 2027
- Duration: 3 month contract
- Working Pattern: Monday to Friday or 6 weeks on / 1 week off rotation
- Package: $Excellent day rate + expenses
- Engagement Structure: W2
Responsibilities:
- Perform electrical commissioning and troubleshooting activities across the BESS installation.
- Read, interpret and work from electrical wiring diagrams and schematics.
- Trace electrical circuits and wiring to identify and resolve faults.
- Carry out fault finding, testing and verification of electrical systems.
- Support commissioning activities across systems operating at approximately 1,500V DC / 1,000V AC.
- Identify and troubleshoot wiring, installation and equipment issues during commissioning.
- Work closely with site management, engineering and wider commissioning teams to resolve technical issues.
- Maintain commissioning and testing documentation.
- Support safe and efficient completion of commissioning activities in line with project requirements.
Requirements:
- Ideally 2+ years' electrical commissioning, testing or troubleshooting experience.
- Strong ability to interpret electrical schematics and wiring diagrams.
- Practical electrical fault-finding and troubleshooting experience.
- Experience working with LV/DC electrical systems, power generation or renewable energy equipment.
- Previous BESS / Energy Storage commissioning experience is advantageous but NOT essential.
- Candidates from Solar, Wind, Substations, Power Generation, Oil & Gas or other industrial electrical commissioning environments are encouraged to apply.
- Comfortable working in a hands-on, site-based commissioning environment.
Project-specific BESS and system training will be provided, making this an excellent opportunity for experienced electrical commissioning professionals looking to move into the rapidly growing utility-scale energy storage sector.
Interested? Please apply & submit your resume or contact me directly for more information!
Cian McLoughlin
Principal Contract Recruitment Consultant - Commissioning
Hunter Philips Executive Search
Landline: +44 161 240 3338
Mobile: +44 7881 418 441
Email: cian.mcloughlin@hunterphilips.com
LinkedIn: linkedin.com/in/cian-mcloughlin-628a72258
Web: http://hunterphilips.com/
Cian Mcloughlin
Recruitment Consultant
See All 22 Commissioning Engineer Jobs in California
Find roles in California that match your experience and apply in just a few clicks.
Find Commissioning Engineer JobsCommissioning Engineer Jobs by City in California
Where California roles are concentrated, by current openings.
Commissioning Engineer Job Market in California
A snapshot from current California openings, updated as new roles post.
Who's Hiring
Top Industries Hiring
- Consulting & Professional Services
- Automotive
- Manufacturing
- Science & Research
- Technology & Software
What California Employers Look For
The qualifications that appear most often in commissioning engineer jobs across California.
- Bachelor's degree in mechanical, electrical, or systems engineering from an accredited California university
- Professional Engineer license issued or recognized by the California Board for Professional Engineers
- Hands-on experience commissioning HVAC, electrical systems, or building automation equipment
- Proficiency reading and interpreting technical drawings, schematics, and construction documents
- Familiarity with California Title 24 energy efficiency standards and compliance requirements
- Strong field documentation skills and experience writing commissioning reports and functional test plans
Commissioning Engineer Jobs in California: Frequently Asked Questions
How do you become a commissioning engineer in California?
Most commissioning engineers in California start with a bachelor's degree in mechanical, electrical, or systems engineering and then pursue licensure through the California Board for Professional Engineers, Land Surveyors, and Geologists, which oversees the Professional Engineer credential required for many senior and stamping roles. Employers across the state also value industry certifications from organizations like ASHRAE or the Building Commissioning Association. Entry typically begins in field or junior engineering roles before advancing to full commissioning responsibilities.
How much do commissioning engineers make in California?
Commissioning engineers in California earn a median of about $130,850 a year, based on May 2025 Bureau of Labor Statistics wage data, ranging from around $74,950 for the lowest 10% to over $212,130 for the top 10%. Pay rises with experience, specialty, and employer.
Which companies hire commissioning engineers in California?
Employers hiring commissioning engineers in California right now include LotusWorks, Tesla, and FST Technical Services, based on current listings on Migrate Mate as of September 2026. California's concentration of large commercial construction projects, utility infrastructure programs, and semiconductor manufacturing facilities means demand is spread across multiple sectors rather than a single industry.
Which California cities have the most commissioning engineer jobs?
Los Angeles, San Francisco, and Palo Alto account for the most commissioning engineer openings in California. The Bay Area's concentration of technology campuses and data center construction, Los Angeles's large commercial real estate and entertainment infrastructure projects, and San Diego's defense and biotech facilities all generate consistent demand, which is why those metros dominate the distribution of openings across the state.
Are there remote commissioning engineer jobs in California?
Yes, but they're rare. About 20% of commissioning engineer openings tied to California are remote or hybrid as of September 2026, reflecting how hands-on the role fundamentally is. The parts of the work most suited to remote are pre-design review, documentation, and report writing, while functional testing, site walks, and equipment verification almost always require in-person presence.
How can I get hired as a commissioning engineer in California with little or no experience?
The most realistic entry path is applying for commissioning technician or field engineer associate roles at large mechanical and electrical contractors operating in California, such as those serving the state's data center build-out and clean energy sectors. Moving laterally from adjacent roles like HVAC technician, controls technician, or project engineer coordinator is a well-worn path. Earning an EIT designation through the California Board for Professional Engineers and pursuing an ASHRAE or Building Commissioning Association certification gives candidates a concrete credential edge before they have deep experience.
Where can I find and apply to commissioning engineer jobs in California?
You can find and apply to commissioning engineer jobs in California on Migrate Mate, which lists current California openings across industries including clean energy, construction, and building systems. Find the roles that fit your experience and apply directly.
See All 22 Commissioning Engineer Jobs in California
Find roles in California that match your experience and apply in just a few clicks.
Find Commissioning Engineer Jobs