Principal BESS Engineer
$140,000–$195,000 year
HybridSan Francisco, California, United States
Job Summary
Update and refine EPC contractual agreements, evaluate and optimize BESS designs against safety and regulatory standards, and provide subject matter expertise across project origination through commissioning. Generate system design requirements from project agreements, assess design options based on technical and commercial constraints, and establish hardware and software control requirements for utility and ISO compliance. Technically qualify new vendors, maintain technical specifications, and support EPC teams during request for quote phases by coordinating RFIs and design reviews. Assist with permitting, fire safety compliance, and construction coordination while developing tools for BESS sizing and augmentation. Serve as the key technical point of contact with customers and suppliers to drive the multi-gigawatt project pipeline.
Required Qualifications
- 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
- 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
Desired Qualifications
- Master's degree preferred
- Experience in utility electrical power system projects or distributed energy resource projects preferred
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