Redwood Materials
Substation Protection and Control Engineer , EPC
About this role
Redwood Materials seeks a Substation Electrical Engineer to design and oversee high-voltage electrical infrastructure (69kV–345kV) for industrial substations supporting battery recycling operations. You will lead substation design, perform grid studies, coordinate with utilities and ISOs, and serve as Engineer of Record for renewable and battery energy storage projects.
What you'll do
- Lead design of high-voltage AC substations (69kV–345kV) and their integration with transmission and distribution systems
- Develop single-line diagrams, physical layouts, protection/control systems, relay coordination, and grounding plans
- Perform grid simulations and stability studies using PSSE, PSLF, PSCAD, and ASPEN OneLiner
- Execute short-circuit, load-flow, and arc-flash analysis studies
- Interface with utilities and ISO/RTOs for interconnection studies, permitting, and compliance
- Serve as Electrical Engineer of Record and lead code compliance reviews (NEC, IEEE, NESC, NFPA)
What they're looking for
- High-voltage AC substation design and integration
- Grid simulation software (PSSE, PSLF, PSCAD, ASPEN OneLiner)
- Relay protection design and coordination (SEL AcSELerator)
- Short-circuit and load-flow analysis
- HV equipment selection and specification (switchgear, transformers, circuit breakers)
- Electrical codes and standards (NEC, IEEE, NESC, NFPA)
- Interconnection studies and utility coordination
- Grounding design and arc-flash hazard analysis
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Redwood Materials
Redwood Materials develops battery products and energy storage systems, with a focus on battery refining, material production, and end-of-life battery processing. The company is hiring Systems Engineers, Design Engineers, Solutions Engineers, Software Engineers specializing in ML and Computer Vision, and Service Engineers to build and scale their battery technology and manufacturing operations.
- Website
- redwoodmaterials.com
Likely interview questions
- Describe your experience designing substations in the 69kV–345kV range and how you approached transmission/distribution integration.
- Walk us through your workflow for developing relay protection schemes and how you ensure coordination across multiple protective devices.