Staff Electrical Engineer, Balance of Plant
Redwood MaterialsSan Francisco, California
Full Time
Posted August 10, 2026
$123k - $175k· Est.
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Job Description
The Staff Electrical Engineer, Balance of Plant ( BoP ) will focus on the design, modeling, and protection of the electrical infrastructure supporting Redwood’s utility-scale Battery Energy Storage Systems (BESS).
Key Responsibilities
- Perform and review balance-of-plant power system studies including load flow, short-circuit, protection coordination, DC and AC arc flash, transformer energization, motor starting, reactive power analysis, transient overvoltage, harmonic analysis, insulation coordination, grounding design, battery sizing, and auxiliary system sizing
- Work closely with the energy storage team to develop accurate AC and DC system models and study assumptions
- Develop, review, and validate protective relay coordination studies, relay settings, and configuration files
- Size and specify major electrical equipment including transformers, circuit breakers, switches, inverters, generators, capacitor banks, reactors, surge arresters, switchgear, current transformers, power cables, and UPS systems
- Create and maintain detailed power system models using ETAP, SKM, and/or EasyPower
- Apply industry standards, codes, and best practices to analysis results and design recommendations (IEEE, ANSI, IEC)
- Prepare clear engineering reports, study summaries, and design documentation for internal and external stakeholders
Requirements
- 3+ years of direct experience designing and commissioning PV and BESS systems.
- MS or PhD in Electrical Engineering with specialization in power systems
- Strong foundation in power system analysis including fault calculations, symmetrical components, arc flash calculations, cable sizing, and protective device selection and coordination
- Expert proficiency in ETAP is required; experience with SKM or EasyPower is highly preferred
- Experience with grounding and cable ampacity analysis tools such as CYMCAP and CDEGS is preferred
- Working knowledge of applicable codes and standards including NEC, IEEE, and related industry practice
- Experience with battery energy storage systems (BESS), inverter-based generation, and/or data center electrical systems is a plus
- Familiarity with short circuit and protective relay software tools such as ASPEN and/or CAPE is a plus
- Familiarity with PSCAD and/or PSS®E is a plus
- Familiarity with Python for analysis automation or data processing is a plus
- Ability to perform the essential job functions consistent safely and successfully with the ADA, FMLA and other federal, state and local standards, including meeting qualitative and/or quantitative productivity standards
- Ability to maintain regular, punctual attendance consistent with the ADA, FMLA and other federal, state, and local standards
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