Field Application Engineer - HW - EVCS

Who We Are

• Delta, founded in 1971, is a global leader in switching power supplies and thermal management products with a thriving portfolio of innovative energy-saving systems and solutions in the fields of industrial automation, building automation, telecom power, data center infrastructure, EV charging, renewable energy, energy storage, and display, to nurture the development of innovative manufacturing and sustainable cities. As a world-class corporate citizen guided by its mission statement, “To provide innovative, clean and energy-efficient solutions for a better tomorrow,” Delta leverages its core competence in high-efficiency power electronics and its ESG-embedded business model to address key environmental issues, such as climate change. Delta serves customers through its sales offices, R&D centers, and manufacturing facilities, which are spread across nearly 200 locations on five continents. Delta has 158 sales offices, 72 research and development (R&D) centers, and 48 manufacturing facilities worldwide.
• Throughout its history, Delta has received various global awards and recognition for its business achievements, innovative technologies, and dedication to ESG. Since 2011, Delta has been listed on the Dow Jones Sustainability™ World Index for 11 consecutive years. In 2021, Delta was also recognized by CDP with leadership-level ratings for its substantial contributions to climate change and water security issues and was named Supplier Engagement Leader for its continuous development of a sustainable value chain.

Key Responsibilities

About the role: 

The EV Charger Hardware FAE serves as the technical interface between customers, sales, and R&D. This role provides pre‑ and post‑sales hardware support, assists with system integration and deployment, troubleshoots field issues, and ensures successful customer adoption of EV charging products.

Key responsibilities:

• Provide hardware technical support for DC EV charging products, including onsite and remote support.
• Support customers during pre‑sales and post‑sales phases with technical presentations, system architecture reviews
• Assist customers with installation, commissioning, and validation of EV chargers.
• Troubleshoot and resolve hardware, power, communication, and system‑level issues in the field.
• Analyze system logs, schematics, and test data to identify root causes and propose corrective actions.
• Interface with Sales, PM, R&D and service teams to escalate and resolve field issues.
• Review customer requirements and provide feedback to engineering for design improvements.
• Support pilot deployments, field trials, and customer acceptance testing.
• Create and maintain technical documentation, including application notes, SOW, and troubleshooting guides.
• Travel to customer sites as required (typically 30–50%).

Minimum Qualifications

Minium Qualifications:

• Bachelor’s degree in electrical engineering, Power Electronics, Mechatronics, or related field.
• 2+ years of experience in hardware engineering or field application engineering.
• Strong understanding of power electronics, including:
• AC/DC power conversion
• DC fast charging architectures
• Isolation, grounding, and protection circuits
• Experience with EV charging systems (DC fast chargers).
• Ability to read and interpret schematics, block diagrams, and single‑line diagrams.
• Hands‑on troubleshooting experience with:
• Power modules
• Contactors and relays
• Sensors (current, voltage, temperature)
• Cooling systems (air/liquid)
• Familiarity with communication protocols, such as CAN, RS‑485, Ethernet, PLC, and Modbus.
• Strong customer communication and problem‑solving skills.
• Willingness to travel and provide onsite support.

Preferred Qualifications

Preferred Qualifications:

• Experience with EV charging standards:

• CCS, CHAdeMO, NACS
• IEC 61851, IEC 62196, IEC 61851‑23/‑24
• Familiarity with OCPP (1.6 / 2.0.1) at a system level.
• Experience supporting regulatory and metrology compliance, including CTEP/NTEP for California deployments.
• Experience working with CSMS platforms and backend integrations.
• Prior experience supporting customers in the field or in a manufacturing environment.
• Fluent in Mandarin and English (verbal and written) to effectively communicate with global teams.

Benefit at Delta Electronics Americas

Benefit at Delta Electronics Americas: Life at Delta

EEO Statement

Delta Electronics Americas is an Equal Opportunity Employer and is committed to compliance with all applicable federal, state, and local laws. Delta Electronics America is committed to fostering a diverse, inclusive, and respectful workplace. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, age, marital status, national origin, disability, veteran status, or any other protected characteristic.

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