EV Charger Firmware FAE - EVCS

About the company

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 industrial automation, building automation, telecom power, data center infrastructure, EV charging, renewable energy, energy storage, and display. 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. With nearly 200 locations across five continents, Delta operates 158 sales offices, 72 research and development centers, and 48 manufacturing facilities worldwide. The company has received numerous global awards for its business achievements, innovative technologies, and dedication to ESG, including being listed on the Dow Jones Sustainability™ World Index for 11 consecutive years.

About the role

The EV Charger Firmware FAE acts as the technical liaison between customers, sales, product management, 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.

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.
• Troubleshoot 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%).

Requirements

• 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.

Preferred Qualifications

• Hands-on experience with OCPP 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.

Benefits

Benefit details available at Delta Electronics Americas.