Principal BESS Engineer - Lead Utility-Scale Storage

Clearway Energy Group; San Diego (CA); Hybrid; USD 140,000 - 195,000; Full time

Benefits offered by this job

Generous PTO

Medical, dental & vision care

401(k) with employer match

Relocation assistance

Job summary

Clearway Energy Group seeks a Principal Battery Energy Storage System (BESS) Engineer to lead preliminary engineering, fire safety engineering, and procurement support for various BESS facilities. The role combines design optimization, vendor coordination, and cross‑functional collaboration with development, construction, and operations teams.

The position involves developing system design requirements, evaluating multiple BESS configurations, and ensuring compliance with utility and ISO

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.
• Knowledge of electrical standards (UL/IEEE), Fire safety codes and standards, NEC, ISO interconnection standards.

Responsibilities

• Update EPC contracts and requirements for BESS.
• Evaluate and optimize BESS design for safety and compliance.
• Provide BESS SME support to project teams across lifecycle.
• Develop consensus on design and operational strategies across orgs.

Skills

BESS engineering

electrical standards (UL/IEEE)

Fire safety codes

TCP/IP Modbus/TCP

EMS/BMS/SCADA

Python

MS Excel

Education

Master’s degree

Tools

NFPA codes & standards

UL1973/UL9540A

Job description

Clearway Energy Group seeks a Principal Battery Energy Storage System (BESS) Engineer to lead preliminary engineering, fire safety engineering, and procurement support for various BESS facilities. The role combines design optimization, vendor coordination, and cross‑functional collaboration with development, construction, and operations teams.

The position involves developing system design requirements, evaluating multiple BESS configurations, and ensuring compliance with utility and ISO