Senior BESS Electrical Design Engineer – Utility-Scale

Redwood Materials; San Jose (CA); On-site; USD 120,000 - 160,000; Full time

Job summary

Redwood Materials is seeking a Battery Energy Storage Systems (BESS) Electrical Design Engineer to lead utility-scale BESS projects from sizing and layout through construction.

You will interface with utilities, perform interconnection studies, and serve as SME for BESS technical challenges. The role requires deep knowledge of NEC 705/706, IEEE 1547, UL 9540, NFPA 855, and experience with ETAP/SK M/PSSE/PSLF/PSCAD tools.

Qualifications

• Bachelor’s or Master’s degree in Electrical Engineering from ABET accredited program.
• Licensed Professional Engineer in Nevada or eligible for reciprocity. Must get their PE in Nevada and South Carolina within 2 months of start date.
• Minimum 5 years of experience in solar, energy storage, or microgrid sectors, with at least 3 years focused on BESS design and deployment.
• Proven expertise in interconnection and regulatory compliance for BESS systems.
• SME in knowledge of NEC 705, NEC 706, IEEE 1547, UL 9540, and NFPA 855.
• Advanced proficiency in: HOMER or similar for microgrid/hybrid modeling.
• Power system modeling using ETAP, SKM, or similar.
• Preferred proficiency in transmission-level load flow and stability using PSSE/PSLF; EMT simulations with PSCAD/EMT.

Responsibilities

• Lead electrical engineering efforts for utility-scale BESS projects from concept to construction.
• Interface with utilities and ISO/RTOs for interconnection studies and permitting.
• Serve as SME for BESS technical challenges and design of AC/DC systems.
• Develop schematics, single-line diagrams, and protection strategies for AC/DC systems.
• Coordinate with other design teams to produce IFC packages and specs.
• Perform power system studies including short circuit, load flow, arc flash, and device coordination.
• Lead R&D on MV DC distribution for BESS integration with other sources.
• Prepare engineering cost estimates and project schedules with project controls.
• Mentor junior engineers and contribute to internal design standards.

Skills

BESS design experience

Interconnection & regulatory

Power system modelling

HVDC systems design

Code knowledge NEC/IEEE/NFPA

Communication & leadership

Education

ABET-accredited EE program

PE license in NV or eligible

Tools

ETAP

SKM

PSSE

PSLF

PSCAD

HOMER

Job description

Redwood Materials is seeking a Battery Energy Storage Systems (BESS) Electrical Design Engineer to lead utility-scale BESS projects from sizing and layout through construction.

You will interface with utilities, perform interconnection studies, and serve as SME for BESS technical challenges. The role requires deep knowledge of NEC 705/706, IEEE 1547, UL 9540, NFPA 855, and experience with ETAP/SK M/PSSE/PSLF/PSCAD tools.