Principal Engineer Firmware

Job Description

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