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Bess Jobs in California (NOW HIRING)

Principal BESS Engineer

San Diego, CA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The Principal BESS Engineer will help deliver optimized stand-alone, hybrid, and co-located BESS facilities. The Principal BESS Engineer / BESS Engineering Manager will work with project teams ...

Principal BESS Engineer

San Francisco, CA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The Principal BESS Engineer will help deliver optimized stand-alone, hybrid, and co-located BESS facilities. The Principal BESS Engineer / BESS Engineering Manager will work with project teams ...

The Principal BESS Engineer will help deliver optimized stand-alone, hybrid, and co-located BESS facilities. The Principal BESS Engineer / BESS Engineering Manager will work with project teams ...

PV/BESS Systems Engineer

Mountain View, CA

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Job Summary The PV/BESS Systems Engineer is responsible for the management and execution of engineering design reviews for Solar Photovoltaic (PV) and Battery Energy Storage Systems (BESS) across the ...

We are seeking a Senior BESS Operations Engineer to lead the end-to-end performance, reliability, and optimization of a distributed fleet of Battery Energy Storage Systems (BESS). Operating at the ...

Utility BESS Services Lead

San Francisco, CA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Utility BESS Services Lead Location : KCP, RGANAR, RGGREENWD, RGHOUSTON3, RGIRVINE, RGJCKSNVL, RGSANFRCO, RGWALNUT4 Business Unit Sector : COR-GMCNC-TIG DISTRIBUTED NETW Department: BVCOR TIG - DN ...

Utility BESS Services Lead

Walnut Creek, CA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Utility BESS Services Lead Location : KCP, RGANAR, RGGREENWD, RGHOUSTON3, RGIRVINE, RGJCKSNVL, RGSANFRCO, RGWALNUT4 Business Unit Sector : COR-GMCNC-TIG DISTRIBUTED NETW Department: BVCOR TIG - DN ...

We are seeking a Senior BESS Operations Engineer to lead the end-to-end performance, reliability, and optimization of a distributed fleet of Battery Energy Storage Systems (BESS). Operating at the ...

Utility BESS Services Lead

Irvine, CA

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Utility BESS Services Lead Location : KCP, RGANAR, RGGREENWD, RGHOUSTON3, RGIRVINE, RGJCKSNVL, RGSANFRCO, RGWALNUT4 Business Unit Sector : COR-GMCNC-TIG DISTRIBUTED NETW Department: BVCOR TIG - DN ...

We are seeking a Senior BESS Operations Engineer to lead the end-to-end performance, reliability, and optimization of a distributed fleet of Battery Energy Storage Systems (BESS). Operating at the ...

Sr. BESS Operations Engineer

Irvine, CA · On-site

$120K - $150K/yr

We are seeking a Senior BESS Operations Engineer to lead the end-to-end performance, reliability, and optimization of a distributed fleet of Battery Energy Storage Systems (BESS). Operating at the ...

BESS Solutions Engineer

Chino, CA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Job Purpose As a Solutions Engineer - BESS at EnerSys, you will play a pivotal role in advancing our entry into the Battery Energy Storage System (BESS) market. You will lead technical solution ...

BESS Solutions Engineer

CA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Job Purpose As a Solutions Engineer - BESS at EnerSys, you will play a pivotal role in advancing our entry into the Battery Energy Storage System (BESS) market. You will lead technical solution ...

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Showing results 1-20

Bess information

What is a Bess?

The term 'Bess' does not refer to a specific job title in most professional contexts. It may be a misspelling or abbreviation of another role, or possibly a company name or acronym. If you meant 'BES' as in Building Energy Specialist or 'BESS' as in Battery Energy Storage System specialist, please clarify for more accurate information. Otherwise, please provide additional context or check the spelling of the job title you are interested in.

What are the key skills and qualifications needed to thrive as a Bess, and why are they important?

I'm sorry, but 'Bess' does not appear to be a recognized real-world professional occupation, so I cannot provide an accurate response.

What is the difference between Bess vs HVAC Technician?

AspectBessHVAC Technician
Required CredentialsCertification in BESS system operation, safety trainingHVAC certification, EPA refrigerant handling license
Work EnvironmentEnergy storage facilities, renewable energy sitesResidential, commercial, and industrial HVAC systems
Employer & Industry UsageRenewable energy companies, energy storage providersHVAC service companies, construction firms
Common Search & ComparisonYesYes

While both Bess specialists and HVAC Technicians work in technical environments, Bess professionals focus on energy storage systems, whereas HVAC Technicians handle heating, ventilation, and air conditioning systems. Their certifications, work settings, and industry applications differ, making each role unique in the energy and building management sectors.

What are the most commonly searched types of Bess jobs in California?

The most popular types of Bess jobs in California are:

What are popular job titles related to Bess jobs in California?

For Bess jobs in California, the most frequently searched job titles are:

What job categories do people searching Bess jobs in California look for?

The top searched job categories for Bess jobs in California are:

What cities in California are hiring for Bess jobs?

Cities in California with the most Bess job openings:

Infographic showing various Bess job openings in California as of August 2026, with employment types broken down into 97% Full Time, 1% Part Time, and 2% Contract. Highlights an 76% Physical, 6% Hybrid, and 18% Remote job distribution.

Principal BESS Engineer

Clearway Energy

San Francisco, CA • Hybrid

Full-time

Posted 4 days ago


Job description

What The Role Is

Reporting to the Sr. Manager of BESS Engineering, the Principal Battery Energy Storage System (BESS) Engineer (or Battery Energy Storage System Manager) is responsible for preliminary engineering, fire safety engineering, technical specifications, system optimization, and procurement support for stand-alone, hybrid, and co-located BESS facilities. The Principal BESS Engineer will help deliver optimized stand-alone, hybrid, and co-located BESS facilities. The Principal BESS Engineer / BESS Engineering Manager will work with project teams, external engineering teams, vendors, third parties, and consultants to drive our class-leading, multi-gigawatt, and globally competitive project pipeline to fruition. 

This hybrid role will be located in one of our office locations in Scottsdale, AZ, San Diego, CA, San Francisco, CA, Houston, TX, or Denver, CO. Scottsdale is the preferred location.

What You'll Be Doing
  • BESS Platform Development
    • Update and refine EPC contractual agreements and requirements for BESS, with a focus on EPC obligations and the division of responsibilities.
    • Evaluate, track, and optimize BESS design to conform to the latest in safety, technology, regulatory, and compliance standards.  
    • Quality control BESS engineering, design, product validation, EPC touchpoints, and division of responsibilities.
    • Provide BESS subject matter expertise to project teams through origination, development, design, construction, and commissioning.
    • Develop consensus on optimal BESS design and operational strategies with Clearway's Development, Construction, and Operations organizations given a complex technical, economic, and regulatory environment.
    • Serve as the key technical point of contact with customers and build strategic relationships with energy storage equipment and service suppliers.
    • Develop and maintain tools optimizing BESS sizing, auxiliary loads, and augmentation.
  • BESS Development Engineering
    • Generate BESS system design requirements from project requirements originating in PPA, IA, and other applicable agreements.
    • Assess a range of BESS system designs based on project-specific constraints and propose optimal solutions based on technical and commercial considerations.
    • Establish hardware and software control requirements for market applications, including utility and ISO compliance requirements.
    • Review and negotiate the technical requirements and performance guarantees in offtake agreements.
    • Develop BESS CapEx, auxiliary load, and augmentation assumptions relevant for financial modeling and underwriting.
  • BESS Project Engineering & Strategic Procurement Support
    • Technically qualify new vendors and products in internal due diligence processes. Maintain and update technical specifications used in supply contracts.
    • Support Engineering, Procurement and Construction (EPC) teams during the request for quote phase of projects in development. Support technical coordination, RFIs, and DOR between BESS supplier and EPC contractor.
    • Support permitting and fire safety compliance requirements.
    • Support project team with design review process, construction coordination, and commissioning of BESS facilities.
    • Coordinate closed-loop learning of best practices and process improvement given lessons learned.
What You'll Bring
  • 8+ years of experience in BESS engineering, integration, development, and commissioning for utility-scale BESS projects.
  • Experience in writing technical specifications, performance requirements, and technical reports. Ability to effectively write and verbally communicate technical information.
  • Knowledge of electrical standards (UL/IEEE), Fire safety codes and standards, National Electrical Code, and interconnection standards.
  • Familiarity with technical communications protocols (TCP/IP, Modbus/TCP, etc.) and a variety of controls software/hardware platforms.
  • Familiarity or experience with energy market applications and telemetry requirements.
  • Knowledge of Power Plant Controller, Energy Management Systems (EMS), Battery Management Systems (BMS), and utility communication systems, including SCADA.
  • Basic software programming skills, especially MS Excel and Python.
  • Familiarity with energy storage product safety standards, tests, and certifications such as NFPA codes and standards (855, 72, 68, 69), UL1973 and UL9540/A.
  • Proficiency in working on a small team in a fast-paced environment and ability to multitask and manage multiple projects simultaneously.
  • Knowledge of utility equipment specifications.
What Would Be Nice
  • Master's degree preferred.
  • Experience in utility electrical power system projects or distributed energy resource projects preferred.

Clearway will not sponsor non-immigrant visas for this position (H-1B, TN, E-3, etc.).

#LI-Hybrid