Ignite HR Solutions · 2 days ago
Sr Electrical Engineer – EV Power Systems & Energy Integration
Coulomb Solutions Inc. is on a mission to enable the fast adoption of commercial electric vehicles powered by green, sustainable energy. The Sr Electrical Engineer will design, develop, and validate medium-voltage electrical systems and components for Battery Energy Storage Systems and commercial electric vehicle platforms, focusing on system integration and compliance with industry standards.
Responsibilities
Design, develop, and validate medium-voltage(12–2000V) electrical subsystems for use in EV power platforms and stationary energy solutions
Specify and integrate components including inverters, converters, power distribution units, transformers, AC-DC and DCDC power modules, charging systems, lithium and sodium batteries, power distribution panels, and harnesses/connectors
Ensure all designs comply with relevant industry standards and certifications, including UL1973, UL508, UL9540A, and applicable grid codes
Conduct 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 the integration of CSI products into customer applications
Create and maintain technical documentation, including schematics, interface specifications, wiring diagrams, test plans, and validation reports
Support testing and commissioning activities, including field validation, issue troubleshooting, and system optimization
Participate in cross-functional collaboration with mechanical, software, and controls engineers, as well as suppliers and customers
Support cost estimation, BOM 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
Qualification
Required
Bachelor's degree in Electrical Engineering or other technology related field required
Minimum 5 years (7-10 desired) of professional experience in medium-voltage electrical system design or energy system integration
Knowledge of high-power electrical systems for both mobile and stationary applications
Experience working with battery energy storage systems (BESS), microgrids, and high-power vehicle charging systems
Knowledge of medium voltage 600-1000V safety and design standards
Experience with commercial EVs, heavy-duty vehicle electrification, or mobile power systems
Familiarity with UL certification processes, including UL1973, UL9540A, and UL508
Proficiency in electrical design tools and simulation platforms (e.g., AutoCAD Electrical, PLECS, Simulink, MATLAB)
Preferred
Master's or higher degree preferred
Exposure to renewable energy systems (solar, wind, generator hybrid)
Benefits
Medical, dental, and vision insurance
401(k) with company matching
Paid time off