Power Electronics Engineer

ABOUT US Hanwha Q CELLS Technologies, Inc. a subsidiary of Hanwha Q CELLS,

one of the world´s largest and most recognized photovoltaic manufacturers for its high-performance, high-quality solar cells and modules. It is headquartered in Seoul, South Korea (Global Executive HQ) and Talheim, Germany (Technology & Innovation HQ). Through its growing global business network spanning Europe, North America, Asia, South America, Africa, and the Middle East, the company provides excellent services and long-term partnerships to its customers in the utility, commercial, government, and residential markets. Hanwha Q CELLS is a flagship company of Hanwha Group, a FORTUNE Global 500 firm and a Top 7 business enterprise in South Korea. Our mission is to provide affordable and smart energy solutions through technology and innovation to create a sustainable future for the planet. We are expanding our business by offering revolutionary energy systems to residential customers including ESS, MLPE (power optimizers, micro-inverters), EV charging solutions, and Smart IoT with world-class solutions. OUR VISION Hanwha Q CELLS Technologies, Inc. is committed to helping make the planet a cleaner, better place to live, both with our software and hardware products and through our everyday actions. Imagine a world where there is less reliance on non-renewable power, where you source your electricity from your neighbors rather than from power stations hundreds of miles away and software makes the best possible use of the solar, wind, and battery storage available. This is our vision. We are looking for enthusiastic colleagues who are not only fluent in technology but also share our vision of a world running on 100% renewable energy. POSITION OVERVIEW The ideal candidate for the position is someone who has experience with power electronics development and can own product development through all stages of conception, prototype, and productization. Specifically, you will focus on specifying, designing, and optimizing the magnetic components (transformers and inductors). In this role, you will work closely with a talented engineering team in a fast-paced environment to apply emerging technologies in innovative ways to rapidly produce new products. RESPONSIBILITIES

Lead power electronics design in support of new product development. Work effectively with cross-functional teams to resolve early (architectural) and late (lab, test & validation) on fast timelines Design and implement DC/DC, AC/DC, and DC/AC conversion circuits focusing on the magnetics used in these circuits Perform hardware bring-up and integration of power electronics circuits and modules and support power conversion systems hardware/software integration Lead collaboration with 3rd party partners Very strong analytical skills and detail-oriented Excellent written and verbal communication skills Some travel is expected REQUIRED QUALIFICATIONS

Bachelor of Science (BS) or Master of Science (MS) degree in Electrical Engineering from an accredited university Minimum of 4 years of industry or university research experience in power electronics design, analysis, testing, and troubleshooting More experienced candidates are also encouraged to apply Architect and design high power dc and ac systems for PV power systems, EV chargers, and power storage systems Design and develop advanced soft switching from sub-KW to tens of KWs at a voltage range of 100V to 1KV Responsible for all aspects of product design, including specification, modeling, material selection, thermal design, regulatory and compliance considerations, and DFM Experience with Size Weight and Power optimization. Experience with integrated components and small form factor magnetics Hands-on experience with building high-frequency inductors and transformers as well as working closely with vendors to build prototypes as well as mass production Experience with magnetic field simulation using packages such as Maxwell Ansys Model power designs using analysis tools such as PSIM, Matlab, and Spice. Expertise in power circuit analysis, such as worst-case circuit analysis, failure method effectivity and criticality, and reliability Proficiency in electronics design (EDA) tools such as Altium Proficiency in PCB layout for power circuits Extensive hands-on experience with lab instruments such as oscilloscopes, RLC analyzers, impedance analyzers, spectrum analyzers, electronic (AC/DC) loads, and signal/power generators Ability to analyze and optimize circuits and designs for cost Demonstrated self-starter with the ability to handle multiple tasks simultaneously in a fast-paced global automotive design and manufacturing environment Demonstrated the ability to transition from theoretical to implementation-based thinking PREFERRED QUALIFICATIONS

Master or Ph.D. in Power Electronics Experience in renewable product development Experience in designing magnetics for power topologies such as LLC, phase-shifted full bridge, flyback, forward, and multi-level converters including PFC (single phase and three phases) and associated techniques such as ZVS/ZCS Experience with the full product development process including EMI/EMC testing, certification processes, failure analysis, etc. Prior experience in designing and building power magnetics running at high (several hundreds of kHz) switching frequency Knowledge of industry standards such as UL 1741, and IEEE 1547 for renewable energy is a plus Experience studying emerging technologies and applying them in innovative ways PHYSICAL, MENTAL & ENVIRONMENTAL DEMANDS: To comply with the Rehabilitation Act of 1973 the essential physical, mental, and environmental requirements for this job are listed below. These are requirements normally expected to perform regular job duties. Incumbents must successfully perform all job functions with or without reasonable accommodation. Mobility Standing 20% of the time Sitting70% of the time Walking10% of the time Strength Pulling up to 10 Pounds Pushing up to 10 Pounds Carrying up to 10 Pounds Lifting up to 10 Pounds Dexterity (F = Frequently, O = Occasionally, N = Never) Typing: F Handling: F Reaching: F Agility (F = Frequently, O = Occasionally, N = Nev-er) Turning: F Twisting: F Bending: O Crouching: O Balancing: N Climbing: N Crawling: N Kneeling: N Dexterity

(F = Frequently, O =

Occasionally, N = Never) Typing: F Handling: F Reaching: F BENEFITS Competitive salary commensurate with experience Competitive benefits offerings Conveniently accessible location in downtown San Francisco Flexible work-from-home-office opportunities, as determined by the position and job duties Cigna and Kaiser options - available by region Cigna Dental (including orthodontic coverage) and vision plans, both have options with a $0 paycheck contribution Healthcare and Dependent Care Flexible Spending Accounts (FSA) Company Paid (Health Savings Account) HSA Contribution when enrolled in the High Deductible Cigna medical plan Company-paid Basic Life, AD&D, short-term, and long-term disability insurance Voluntary benefits include: critical illness, hospital indemnity, accident insurance 401(k) with a 4% employer match 3 weeks of paid Parental Leave Sick time- 72 hours frontloaded per calendar year Vacation time (Flex time), and 13 Paid Holidays Health Advocate wellness and concierge services Wellness programs with our benefits providers Commuter benefits EAP Bereavement leave- 5 paid days WORK ENVIRONMENT Make a difference: join a group of people who are passionate about renewable energy Have an impact: the company is still small enough that everyone’s contribution has a significant impact on the success of the company Many opportunities to lead teams, and projects, and contribute to development Casual professional working environment: there’s no need to dress up, just present your best self Work collaboratively in a diverse environment- we commit to reaching better decisions by respecting opinions and working through disagreements DIVERSITY We value the insights that a diverse team can bring. We encourage applications from members of groups that have been traditionally underrepresented in tech. HQCT Inc. provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability, or genetics.

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