Principal Engineer Firmware

Roles & Responsibilities:

• Firmware Architecture & Development
• Lead firmware architecture and embedded software design for UPS and power electronics platforms 
• Develop real-time control firmware for: 
• AC/DC converters, DC/DC converters, Inverters, Battery chargers 
• Design control algorithms for: Voltage regulation, Current control, PFC , Battery charging , Protection logic      and Thermal management 
• Product Development (NPDI)
• Support complete NPDI lifecycle from concept to production release 
• Participate in: 
• Requirement definition ,System architecture , Design reviews , Integration , Validation ,Field support 
• Collaborate with electrical, controls, mechanical, test, and compliance teams 
• Controls & Power Electronics
• Implement digital control techniques: PID control , PWM generation , Synchronization & Transfer logic 
• Support advanced control algorithms for UPS topology and battery systems 
• Embedded Software Development
• Develop embedded firmware using: 
• C/C++ 
• RTOS 
• Bare-metal systems 
• Work on microcontrollers/DSPs such as: 
• TI C2000 
• STM32 
• Develop communication protocols: 
• CAN 
• Modbus 
• UART 
• SPI 
• I2C 
• Ethernet/SNMP 
• Validation & Debugging
• Perform firmware debugging and root cause analysis 
• Support: 
• EVT 
• DVT 
• Regression testing 
• HIL testing 
• Analyze field issues and implement corrective actions 
• Support system integration and performance optimization 
• Technical Leadership
• Mentor firmware engineers and review technical deliverables 
• Drive coding standards and firmware development processes 
• Lead technical discussions and architecture reviews 

• Support innovation and continuous improvement initiatives 

  Job Requirements:

• Bachelor’s Degree in Electronics or Electrical or related Engineering with at least 15+ years of professional engineering experience designing, developing and analyzing embedded control system firmware
• Must have a strong background in embedded coding, coding review, debugging, testing, and deployment.
• Expertise in designing and implementing power electronics control algorithms tailored to application needs.
• Strong knowledge of TI C2000 series microcontrollers, such as the TMS320F28x
• Prior experience with UPS control firmware is preferred (battery management, power converter control, etc.)
• Understands hardware schematics and work with the hardware team to deliver production worthy hardware/software co-designed architecture
• Model-based development with MATLAB® and Simulink® and Typhoon Hardware in Loop.
• Experience with source control management (GIT etc.)
• Experienced in unit testing, Debugging, Bug fixing, verification testing, reliability testing.
• Strong analytical and problem-solving skills required
• Excellent verbal and written communication skills.

Mandatory Skills

• Embedded C/C++ 
• Real-time embedded systems 
• Power electronics controls 
• PWM and ADC handling 
• RTOS concepts 
• Communication protocols 
• Firmware debugging 
• Hardware-software integration 

Preferred Skills

• TI C2000 DSP 
• MATLAB/Simulink 
• HIL systems (Typhoon HIL preferred) 
• Battery Management Systems (BMS) 
• UPS topology knowledge 
• Cybersecurity basics for embedded systems 
• SNMP/Web monitoring firmware