Sr. Electrical Engineer – BMS

5 days ago

Fountain Valley, United States Custom Power Full time

SUMMARY

 

For over fifty years, Custom Power has been at the forefront of designing and manufacturing specialized battery packs and advanced battery management systems. Serving vital industries such as medical, aerospace, defense, and industrial – from the depths of the ocean to the fringes of space – our team of expert design engineers collaborates closely with clients. We utilize a broad spectrum of chemistry technologies to develop the perfect battery solution. Offering both primary and secondary chemistries, we adhere to international standards such as UL, IEC, CE, and CSA. As an ISO 9001, AS9100, and ITAR-registered company, Custom Power is committed to delivering unparalleled quality and versatility in our battery solutions.

 

Responsible for design and validation of electronic circuits, and specification and programming of electronic test equipment. This position requires good communication skills and effective teamwork. All projects involve collaborating within a multidisciplinary team to design a battery pack. The candidate will be responsible for designing, prototyping, testing, and transitioning electronic circuits, interfaces, cables, accessories, and their corresponding documentation to manufacturing.

 

From your very first day of employment with us, your success will be our top priority. You'll be paired with our Global Battery Technologist for mentoring and support, ensuring you are part of an organization that values your development and well-being and is dedicated to making every workday rewarding. Additionally, you'll have the opportunity to engage in various aspects of design and battery pack development, encompassing a wide range of designs and applications for some of the largest and most dynamic companies in the world.


ESSENTIAL DUTIES AND RESPONSIBILITIES


  • Circuit Design: Develop and design analog and digital electronic circuits for battery packs of various chemistries, ensuring optimal performance, efficiency, and safety.
  • Battery Charger Systems Development Integration: Develop and Incorporate battery charger systems into circuit designs, considering charging efficiency, safety, and compatibility with various battery chemistries.
  • Component Selection: Identify and select appropriate components, such as voltage regulators, protection circuits, monitoring systems, and battery chargers, to meet project requirements.
  • Schematic Capture: Utilize Altium Designer for detailed schematics, ensuring accurate representation of circuit configurations.
  • PCB Layout: Design and optimize printed circuit boards (PCBs) using Altium Designer, considering factors like signal integrity, thermal management, and manufacturability.
  • DFM (Design for Manufacturing): Take ownership of Design for Manufacturing principles, ensuring that circuit designs are conducive to efficient and cost-effective production processes.
  • DFT (Design for Testability): Implement Design for Testability strategies in circuit designs, enabling effective testing and troubleshooting during the manufacturing phase.
  • BMS Development: Collaborate with Firmware Engineers to develop Battery Management Systems (BMS) firmware, ensuring efficient and safe battery operation.
  • Fuel Gauge Integration: Work closely with Firmware Engineers to integrate fuel gauging solutions into battery pack designs, providing accurate state-of-charge information.
  • APQP (Advanced Product Quality Planning): Apply APQP methodologies to ensure robust, high-quality circuit designs.
  • PPAP (Production Part Approval Process): Execute PPAP requirements, providing the necessary documentation to validate and approve the manufacturing processes.
  • Prototyping: Collaborate with cross-functional teams to build and test prototypes, iterating designs based on testing outcomes.
  • Compliance: Ensure designs comply with relevant industry standards, including those set by the United Nations (UN) for the transportation and handling of lithium-ion batteries. Adhere to Underwriters Laboratories (UL) standards for safety and performance in battery pack designs.
  • Documentation: Maintain comprehensive documentation of development, product design, specifications, and testing results in accordance with company process and regulatory requirements and standards such as UN, UL, IEC, AS, FDA.
  • Collaboration: Work closely with other engineers, including, Mechanical, Firmware, Technicians, and Project Managers to achieve project goals within specified timelines.
  • Problem Solving: Troubleshoot and resolve issues related to, BMS Systems including, circuit design, firmware, integration, cells, and battery charging systems.


QUALIFICATIONS


  • Bachelor’s degree in electrical engineering or a related field; Master's degree is a plus.
  • 10+ years of experience in electronics technology and embedded hardware.
  • 8+ years designing Battery Management Systems for battery applications.
  • Preferred experience in the design of circuits for lithium-ion battery packs.
  • Proven experience with analog and digital circuits and power system design.
  • Proficiency in using Altium Designer for schematic capture and PCB layout.
  • Experience with the integration of battery charger systems into circuit designs.
  • Familiarity with thermal management in battery pack designs.
  • Knowledge of energy storage systems and renewable energy applications.
  • Experience with ownership of DFM and DFT principles.
  • Experience with APQP and PPAP requirements in the product development process.
  • Experience collaborating with Firmware Engineers for BMS and fuel gauge development.
  • Familiarity with relevant UN and UL industry standards and regulations.
  • Excellent problem-solving skills and attention to detail.
  • Effective communication and collaboration skills within cross-functional teams.
  • Must communicate effectively in English (Written and Verbal)


Custom Power is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, physical or mental disability, genetic factors, military/veteran status or other characteristics protected by law.


This position must meet export control compliance requirements. To meet export control compliance requirements, a “U.S. Person” as defined by 22 C.F.R. §120.15 is required. “U.S. Person” includes U.S. Citizen, lawful permanent resident, refugee, or asylee. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. 

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