Coulomb Solutions Inc.- Sr. Electrical Power Systems Engineer

Ignite HR Solutions and our Clients • Livermore, CA

18d • $150,000 - $200,000 • Onsite

About The Position

Coulomb Solutions Inc. is seeking a Sr. Electrical Power Systems Engineer to design, develop, and validate medium-voltage electrical systems and components for Battery Energy Storage Systems (BESS), commercial electric vehicles, and stationary energy solutions. The role focuses on component development and validation and system integration, including inverters, converters, wiring harnesses, transformers, charging systems, and power distribution equipment.

The engineer will support electric drive systems for heavy-duty vehicles such as trucks, buses, boats, trains, port equipment, and airport ground support equipment, as well as BESS products for transportable vehicle charging and grid support. Work includes BESS functions such as grid charging, grid forming and following, export power, AC grid interaction, and hybrid energy architectures, with attention to relevant industry standards and certifications.

This is an on-site position in Livermore, California, with some travel to suppliers, customers, and CSI locations as needed. The stated office hours are 8:00 AM to 5:00 PM, Monday through Friday. Compensation is $150,000–$200,000, depending on experience and qualifications.

Requirements

• Bachelor's degree in Electrical Engineering.
• At least 5 years of professional experience in medium-voltage (1kV and 15kV) electrical system design or energy system integration.
• Knowledge of high-power electrical systems for mobile and stationary applications.
• Experience with battery energy storage systems (BESS), microgrids, and high-power vehicle charging systems.
• Knowledge of 600–15kV safety and design standards.
• Familiarity with UL certification processes, including UL1973, UL9540A, and UL508.
• Proficiency with electrical design tools and simulation platforms such as AutoCAD Electrical, PLECS, Simulink, and MATLAB.
• Ability to use a computer terminal and hands-on laboratory test and prototyping equipment.
• Ability to lift test equipment and battery modules.

Nice To Haves

• Master’s degree or higher in Electrical Engineering.
• 7–10 years of professional experience in medium-voltage electrical system design or energy system integration is desired.
• Exposure to renewable energy systems such as solar, wind, and generator hybrid systems.

Responsibilities

• Design, develop, and validate medium-voltage (12–2000V) electrical subsystems for EV power platforms and stationary energy solutions.
• Specify and integrate inverters, converters, power distribution units, transformers, AC-DC and DC-DC power modules, charging systems, lithium and sodium batteries, power distribution panels, and harnesses and connectors.
• Ensure designs comply with relevant industry standards and certifications, including UL1973, UL508, UL9540A, and applicable grid codes.
• Perform electrical system-level calculations, including load flow, short-circuit, fault protection, thermal analysis, and grounding strategies.
• Interpret AC grid requirements and apply system-level knowledge to integrate CSI products into customer applications.
• Create and maintain schematics, interface specifications, wiring diagrams, test plans, and validation reports.
• Support testing and commissioning, including field validation, issue troubleshooting, and system optimization.
• Collaborate with mechanical, software, and controls engineers, suppliers, and customers.
• Support cost estimation, bill of materials development, and trade-off analysis for component selection and system design.
• Provide mentorship and technical guidance to junior engineers and technicians as required.
• Maintain awareness of emerging industry standards, energy technologies, and competitive systems.
• Travel as needed to visit suppliers, customers, and CSI locations.

Benefits

• Medical insurance
• Dental insurance
• Vision insurance
• 401(k) with company matching
• Paid time off

What This Job Offers

• Job Type: Full-time
• Career Level: Senior