Senior Electrical Engineer, BoP for Grid-Scale BESS

NextGenEnergyJobs; San Francisco, Northern (CA, KY); Hybrid; USD 130,000 - 190,000; Full time

Job summary

NextGenEnergyJobs is seeking a Staff Electrical Engineer, Balance of Plant, to design and model electrical infrastructure for utility-scale battery energy storage systems. The role focuses on BoP studies, equipment sizing, and protection coordination to deliver robust BESS solutions.

The candidate will work with the energy storage team to build accurate AC/DC models, validate relay settings, and prepare detailed design reports for internal and external stakeholders, following industry standards

Qualifications

• 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 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

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

Job description

NextGenEnergyJobs is seeking a Staff Electrical Engineer, Balance of Plant, to design and model electrical infrastructure for utility-scale battery energy storage systems. The role focuses on BoP studies, equipment sizing, and protection coordination to deliver robust BESS solutions.

The candidate will work with the energy storage team to build accurate AC/DC models, validate relay settings, and prepare detailed design reports for internal and external stakeholders, following industry standards