• 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.

About the role: 

The EV Charger Firmware FAE acts as the technical liaison between customers, sales, PM,  R&D, and service teams, focusing on software, firmware, and system‑level behavior of EV charging solutions. This role supports customer deployments, diagnoses field software issues, and ensures successful integration with backend platforms and standards.

Key responsibilities:

• Provide firmware and system‑level technical support for EV charging products.
• Support customers during pre‑sales and post‑sales phases with software architecture explanations, feature clarification, and integration guidance.
• Assist with charger commissioning, configuration, and debugging in field or lab environments.
• Troubleshot issues related to:
  • Firmware behavior
  • Charger state machines
  • Charging sessions
  • Communication faults
• Analyze system logs, traces, and protocol traffic to identify root causes.
• Support and troubleshoot OCPP (1.6 / 2.0.1) communication with CSMS platforms.
• Assist customers with CSMS integration.
• Work closely with firmware, backend, hardware, and service teams to resolve issues and drive fixes.
• Support software release validation, regression testing, and hotfix verification.
• Assist in regulatory and compliance activities related to firmware (CTEP/NTEP, metrology software controls, cybersecurity considerations).
• Provide feedback from the field to R&D for product improvement and roadmap planning.
• Create and maintain firmware‑related documentation, including configuration guides and troubleshooting notes.
• Support pilot deployments, customer trials, and escalations.
• Travel to customer sites as required (typically 30–50%).

• Bachelor’s degree in computer engineering, Electrical Engineering, Computer Science, or related field.
• 3+ years of experience in software engineering, firmware engineering, or software FAE roles.
• Strong understanding of embedded systems and firmware behavior.
• Experience with EV charging systems or other networked embedded products.
• Familiarity with:
• Linux‑based embedded systems.
• Firmware update mechanisms
• Log analysis and debugging tools.
• Ability to read and understand basic hardware schematics and system block diagrams.
• Strong analytical, problem‑solving, and customer communication skills.
• Ability to work independently in field environments.
• Excellent verbal and written communication skills, with the ability to clearly explain complex software and system‑level concepts to customers, including non‑technical stakeholders.

• Hands‑on experience with OCCP protocols.
• Experience with EV charging standards and behavior:
• ISO 15118
• CCS / NACS charging flows.
• Understanding of cloud connectivity, device provisioning, and security concepts (certificates, authentication).
• Basic scripting or programming experience (Python, C/C++, Bash).
• Experience supporting field deployments and customer escalations.

Benefit at Delta Electronics Americas: Life at Delta

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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