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