Senior Firmware Developer - Thermal Application

Job Description

Senior Firmware Developer - Thermal Application

Position Summary

The Senior Firmware Developer - Thermal Application will be responsible for electrical and electronics engineering activities for screw chiller machines and thermal products. The role involves close coordination with cross-functional teams to ensure reliable, efficient, and compliant machine operation, including control systems integration and basic software interaction.

Key Responsibilities

• Design and develop electrical systems for HVAC machines, including screw chillers and thermal products.
• Prepare and review electrical schematics, wiring diagrams, GA drawings, and BOMs.
• Select and integrate electrical components such as MCCBs, contactors, relays, VFDs, sensors, heaters, and protection devices.
• Support control panel design, power distribution, earthing, and safety interlocks for chiller systems.
• Support in PLC and HMI programming activities , including basic logic modifications, I/O mapping, tag management, and parameter settings.
• Coordinate BMS integration (e. g. , BACnet/Modbus) and support testing, signal mapping, and system validation.
• Participate in dry testing, DVT, and performance testing of machines in lab and factory environments.
• Troubleshoot electrical and control-related issues during development, production, and site commissioning.
• Coordinate with Mechanical, Controls, Software, QA, Sourcing, and Service teams for system integration and issue resolution.
• Ensure compliance with applicable electrical standards, safety guidelines, and company processes.
• Support component localization and cost optimization initiatives without impacting quality or performance.

Required Skills & Qualifications

• Bachelor s degree in Electronics Engineering or equivalent.
• 4-6 years of relevant industry experience (Engineer II level).
• Strong machine-level experience in HVAC systems, especially screw chiller machines.
• Good knowledge of industrial electrical systems, control panels, and VFD-based applications.
• Working experience or exposure to PLC and HMI programming in industrial applications .
• Knowledge of BMS integration protocols such as Bacnet and Modbus is preferred.
• Basic knowledge of programming languages such as C, C++, Structured Text (ST), and Function Block Diagram (FBD).
• Hands-on experience in testing, commissioning, and troubleshooting HVAC equipment.
• Ability to read and interpret electrical drawings, control schematics, and documentation.
• Good communication skills and ability to work effectively in cross-functional teams.