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Sr. Test Engineer at Copeland in Suzhou, China
Job Description
Sr. Test Engineer
Location: Suzhou, China · Onsite
About Us
We are a global climate technologies company engineered for sustainability. We create sustainable and efficient residential, commercial and industrial spaces through HVACR technologies. We protect temperature-sensitive goods throughout the cold chain. And we bring comfort to people globally. Best-in-class engineering, design and manufacturing combined with category-leading brands in compression, controls, software and monitoring solutions result in next-generation climate technology that is built for the needs of the world ahead.
Whether you are a professional looking for a career change, an undergraduate student exploring your first opportunity, or recent graduate with an advanced degree, we have opportunities that will allow you to innovate, be challenged and make an impact. Join our team and start your journey today!
The purpose of this position is to utilize expertise in Power Electronics Hardware, Embedded Firmware, and Motor Drive Systems to develop, execute, and lead testing and qualification activities for new Variable Speed Drive (VSD/VFD) platforms and support redesign, cost reduction, quality improvement, and sustaining engineering initiatives for existing products.
This role is responsible for validating the functionality, performance, reliability, safety, and regulatory compliance of variable speed drives ranging from 11kW to 300kW. The engineer will work closely with hardware, firmware, controls, systems, quality, manufacturing, and supplier teams to ensure successful product development and commercialization.
Responsibilities
- Responsible for testing electronics hardware and embedded firmware design functions, performance qualification, and reliability through internal engineering teams and/or external design partners for 11kW to 300kW Variable Speed Drive products.
- Develop comprehensive validation plans, test procedures, and qualification reports to verify compliance with product requirements and industry standards.
- Perform functional, electrical, thermal, environmental, and reliability testing of power electronic systems internally or validate conformance working with external suppliers
- Validate motor control performance working with internal firmware engineers or external suppliers.
- Conduct power quality and harmonics testing in accordance with IEEE 519 and applicable international standards.
- Support electromagnetic compatibility (EMC) compliance testing.
- Perform thermal performance characterization using thermal imaging and temperature measurement techniques as needed.
- Confirm products meets reliability test plan working external suppliers.
- Analyze test data, identify root causes of failures, and drive corrective actions with internal or external design teams.
- Support UL, CE, VDE, and other global certification activities by coordinating with external test laboratories and regulatory agencies.
- Support supplier qualification, component validation, and design verification activities.
- Participate in Failure Mode and Effects Analysis (FMEA), Design Reviews, and Product Risk Assessments.
- Provide technical support for customer field issues, and product investigations.
- Author and maintain detailed engineering test reports, validation summaries, and design qualification documentation.
Basic Requirements
- Bachelor of Science degree in Electrical Engineering, Power Electronics, Electronic Engineering, or related engineering discipline.
- Minimum 5-7 years of experience in power electronics, motor drives, variable frequency drives (VFDs), power conversion systems, or industrial automation products.
- Demonstrated experience testing and qualifying electronics hardware and embedded firmware to meet performance, reliability, and regulatory requirements.
- Strong knowledge of Power Electronics, Three-phase power systems, Inverters and converters, Motor control systems, Power semiconductors (IGBTs and SiC devices), Protection and safety circuits
- Experience using laboratory equipment such as Oscilloscopes, Power analyzers, High-voltage differential probes, Current probes, Thermal imaging equipment, Environmental chambers
- Ability to obtain, review, interpret, and apply international safety and regulatory standards to ensure product compliance.
- Strong verbal and written communication skills with the ability to effectively coordinate multiple projects across global teams.
- Demonstrated troubleshooting, root cause analysis, and problem-solving capabilities.
Preferred Requirements
- 7-10+ years of power electronics and variable speed drive product qualification experience.
- Master of Science degree in Electrical Engineering, Power Electronics, Controls Engineering, or related field.
- Extensive experience with industrial Variable Speed Drives (11kW to 300kW).
- Experience with high-speed motor drive applications, HVAC systems, compressor drives, or Oil-Free Compressor (OFC) technologies.
- Working knowledge of industry standards, including UL 61800-5-1, IEC 61800 Series, IEC 61000 EMC Standards, IEEE 519 Harmonics Standard
- Experience in EMI/EMC mitigation techniques, compliance testing, and troubleshooting.
- Experience with Active Front End (AFE) drives and regenerative drive systems.
- Strong technical project management skills and demonstrated ability to lead cross-functional validation activities.
- Skilled in organizing, prioritizing, and coordinating effective working relationships with engineering, quality, manufacturing, sourcing, suppliers, and external laboratories.
Desired Competencies
- Strong analytical and systems-thinking mindset.
- Hands-on laboratory testing expertise with medium- and high-power electronics.
- Proven ability to identify design weaknesses and drive resolution.
- Excellent technical documentation and presentation skills.
- Ability to work independently with minimal supervision.
- Passion for product quality, safety, reliability, and continuous improvement.
Our Commitment to Our People
Across the globe, we are united by a singular Purpose: Sustainability is no small ambition. That’s why everything we do is geared toward a sustainable future—for our generation and all those to come. Through groundbreaking innovations, HVACR technology and cold chain solutions, we are reducing carbon emissions and improving energy efficiency in spaces of all sizes, from residential to commercial to industrial.
Our employees are our greatest strength. We believe that our culture of passion, openness, and collaboration empowers us to work toward the same goal - to make the world a better place. We invest in the end-to-end development of our people, beginning at onboarding and through senior leadership, so they can thrive personally and professionally.
Flexible and competitive benefits plans offer the right options to meet your individual/family needs. We provide employees with flexible time off plans, including paid parental leave (maternal and paternal), vacation and holiday leave.
Together, we have the opportunity – and the power – to continue to revolutionize the technology behind air conditioning, heating and refrigeration, and cultivate a better future. Learn more about us and how you can join our team!
Our Commitment to Inclusion & Belonging
At Copeland, we cultivate a strong sense of inclusion and belonging where individuals of all backgrounds, and with diverse perspectives, are embraced and treated fairly to enable a stronger workforce. Our employee resource groups play an important role in culture and community building at Copeland.
Equal Opportunity Employer
Copeland is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to sex, race, color, religion, national origin, age, marital status, political affiliation, sexual orientation, gender identity, genetic information, disability or protected veteran status. We are committed to providing a workplace free of any discrimination or harassment.