Power Electronics Engineer

Foreseeson Technology Inc. is a multifaceted, award-winning technology innovator providing electronic manufacturing, IT security distribution, electric vehicle charging equipment, and Intelligent software platforms for EV Charger and Energy Management System. Foreseeson has experienced over 25 years of continuous growth through innovation and we are also known for pioneering green technology to lower our carbon footprint through electric vehicle charging partnerships with municipalities and corporations.About the Project
Foreseeson Technology Inc. is developing a modular Energy Storage System (ESS) using high-voltage battery packs. The system combines battery management, power conversion, embedded control, charging and discharging coordination, and local and cloud-connected monitoring.The project includes the evaluation and integration of power conversion equipment, with an emphasis on safe operation, independent battery control, efficient energy flow, modularity, and future product certification.Foreseeson is seeking a Power Electronics Engineer to develop, evaluate, integrate, and validate the power conversion architecture required for the ESS prototype and its future commercial configurations.Contract 1 year, with potential for contract extension or permanent/full-timeExpected pay for this position is CA$95, 680per year (Final salary will be determined based on the candidate’s qualifications, relevant experience, and alignment with the role)Core accountabilities and Responsibilities
Develop and evaluate the power electronics architecture connecting battery packs, DC-DC converters, charging and power distribution modules, inverter, and AC input/output interfaces.Define electrical requirements for voltage ranges, current limits, power ratings, conversion efficiency, operating modes, and protection coordination.Assess suitable unidirectional and bidirectional DC-DC converter topologies for interfacing individual battery packs with the system DC bus.Investigate approaches to operating battery packs with different states of health, available capacity, and voltage characteristics.Evaluate off-the-shelf power conversion equipment and assess its suitability for the intended electrical, control, communication, safety, and certification requirements.Collaborate with the Senior Electrical Engineer and Embedded Systems Engineer to define converter interfaces, control signals, telemetry, and fault-handling requirements.Battery Charging and Power DistributionDevelop and validate power conversion requirements for charging and discharging multiple battery packs.Evaluate charger and power distribution modules, considering compatibility, efficiency, cost, and integration risks.Evaluate charging and discharge power limits, current sharing, converter operating windows, and battery-specific constraints.Develop test plans for converter performance, battery-side and DC-bus behaviour, transient response, protection functions, and thermal performance.Investigate power-flow coordination strategies that support independent battery control and efficient system operation.Inverter and AC Output IntegrationEvaluate and integrate an appropriate inverter for converting battery-side DC power to regulated AC output.Support bidirectional power conversion where required by the selected system architecture and equipment capabilities.Develop requirements for three-phase 208 VAC and 480 VAC outputs, including rated power, voltage and frequency regulation, load characteristics, and interface protection.Evaluate grid-connected and backup-power operating modes, including applicable transfer, synchronization, anti-islanding, and interconnection requirements.Verify compatibility between the inverter, battery-side converters, system controller, AC inputs, and downstream loads.Electrical Protection, Safety, and Thermal PerformanceDefine and evaluate power electronics protection requirements, including overcurrent, overvoltage, undervoltage, short-circuit, overtemperature, and abnormal operating conditions.Coordinate isolation, grounding, pre-charge, contactor sequencing, emergency shutdown, and fault-response requirements with the electrical and embedded systems teams.Evaluate semiconductor and converter thermal performance, cooling requirements, derating, and component operating limits.Apply high-voltage laboratory safety procedures when conducting power conversion tests.Support electrical hazard assessments, DFMEA, risk reduction, and system-level safety reviews.Contribute to the technical preparation required for applicable CSA, UL, IEC, and utility-interconnection assessments.Simulation, Prototype Testing, and ValidationUse circuit simulation and engineering analysis tools such as LTspice, PSpice, MATLAB/Simulink, or equivalent to assess converter performance and operating behaviour.Conduct or support bench and system-level testing using oscilloscopes, power analyzers, electronic loads, current and voltage probes, and suitable high-voltage test equipment.Measure and analyze conversion efficiency, voltage/current regulation, ripple, transient response, power quality, and thermal performance.Troubleshoot integration problems involving battery packs, converters, charging equipment, inverter, and control interfaces.Document test methods, measured results, technical risks, design changes, and recommendations.Work with the multidisciplinary team to progress the UBESS from prototype integration toward a reliable, manufacturable, and certification-ready design.Requirements and Qualifications
Bachelor's degree in Electrical Engineering, Power Electronics, or a closely related discipline. A master's degree is an asset.At least three years of professional experience in power electronics engineering.Demonstrated experience in low-voltage and/or high-voltage electrical system design and integration.Strong understanding of DC power systems, power conversion topologies, and converter operating principles.Experience with energy storage system design, integration, testing, or commissioning.Working knowledge of battery safety considerations and product certification processes.Familiarity with EV charging systems and relevant standards or communication protocols, such as CCS, CHAdeMO, or OCPP, as applicable to the selected equipment.Proficiency with circuit simulation tools such as LTspice, PSpice, MATLAB/Simulink, or equivalent.Ability to read and interpret electrical schematics, component datasheets, and technical standards.Strong analytical, troubleshooting, and problem-solving skills.Ability to prepare technical reports, test documentation, and engineering specifications.Preferred Qualifications
Experience with bidirectional DC-DC converters, bidirectional AC-DC converters, battery inverters, or grid-connected energy storage systems.Experience with high-voltage battery packs, battery-level power conversion, contactors, pre-charge circuits, and electrical isolation.Experience with UL/IEC certification processes for battery systems, inverters, or power electronics equipment.Hands-on laboratory testing experience using oscilloscopes, power analyzers, electronic loads, and high-voltage safety equipment.Familiarity with thermal management, component derating, cooling design, and enclosure integration for power electronics.Experience with three-phase AC systems, power quality, grid-interconnection requirements, and backup-power operation.Experience working in a fast-paced, cross-functional hardware and product development environment.Why Foreseeson?
We offer a challenge-rich environment where you can leverage your business development background to make a tangible impact on the bottom line.At Foreseeson, we value great work ethics and the ability to work well with diverse teams. If you are ready to build and scale an established EMS company through establishing meaningful relationships, we want to hear from you.What We Offer
When you join our team, you are not just starting a job - you are becoming part of a community. We are committed to supporting your growth, celebrating your achievements, and helping you build a meaningful career.Competitive payPaid time offOpportunities for skill development and career advancementA culture that values respect, teamwork, and diversityEmployee events and engagement initiativesRecognition programs to appreciate your hard work
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