Lead I - Embedded Software

• *Role description**

Senior Firmware Engineer RTOS \& Industrial Communication Protocols Experience: 5\+ to 10 Years Location: Navi Mumbai Domain: Electrical Engineering / Power \& Energy Products Position Overview We are looking for an experienced Firmware Engineer with strong expertise in embedded firmware development, RTOS, Ethernet\-based communication, and industrial communication protocols. The engineer will be responsible for developing and integrating firmware for industrial and electrical products requiring reliable, real\-time communication. Key Responsibilities 1\. Design, develop, integrate, and debug embedded firmware for industrial applications. 2\. Develop applications on RTOS\-based embedded platforms, including task scheduling, inter\-task communication, synchronization, timers, interrupts, and memory management. 3\. Implement and integrate industrial communication protocols including: a. Modbus TCP/IP b. Ethernet / TCP/IP c. DNP3 4\. Develop and maintain Ethernet\-based communication interfaces for embedded devices. 5\. Perform protocol integration, debugging, packet\-level troubleshooting, and communication performance analysis. 6\. Develop and debug low\-level firmware, device drivers, BSPs, and hardware interfaces. 7\. Interface firmware with industrial communication modules, controllers, sensors, and related embedded hardware. 8\. Perform unit testing, integration testing, system\-level debugging, and defect resolution. 9\. Work closely with hardware, system, testing, and product engineering teams. 10\. Participate in requirements analysis, technical design, code reviews, and firmware documentation. 11\. Support root\-cause analysis of firmware and communication\-related issues. Mandatory Technical Skills 1\. 5–10 years of embedded firmware development experience 2\. Strong hands\-on experience in Embedded C / C\+\+ 3\. Strong practical experience with RTOS 4\. Hands\-on development/integration experience with: a. Modbus TCP/IP b. Ethernet / TCP/IP networking c. DNP3 5\. Good understanding of TCP/IP stack, sockets, Ethernet interfaces, and network communication 6\. Secure Bootloader Development 7\. Experience with microcontrollers / microprocessors and embedded systems 8\. Experience in firmware debugging using tools such as JTAG/debuggers, protocol analyzers, Wireshark, oscilloscopes, and logic analyzers 9\. Good understanding of embedded software architecture, device drivers, interrupts, memory management, and real\-time systems. 10\. Experience with Git or equivalent version\-control systems Preferred / Nice\-to\-Have Skills 1\. Experience developing firmware for industrial automation, power systems, energy management, protection, control, or electrical products 2\. Exposure to additional protocols such as IEC 61850, Modbus RTU, CAN/CANopen, MQTT, SNMP, or IEC 60870\-5\-104 3\. Experience with FreeRTOS, Embedded Linux, ThreadX/Azure RTOS, VxWorks, or similar real\-time platforms 4\. Understanding of cybersecurity considerations for Ethernet\-connected embedded devices. 5\. Experience with ARM\-based MCU/MPU platforms such as STM32, NXP, TI, Renesas, or equivalent. Education B.E./B.Tech/M.E./M.Tech in Electronics, Electrical, Electronics \& Communication, Instrumentation, Computer Engineering, or a related engineering discipline.

• *Skills**

Firmware Development, Device Drivers, Modbus TCP/IP, FreeRTOS, C, C\+\+, Logic Analyzer, MQTT, RTOS, Oscilloscope, Bootloaders

• *About UST**

UST is a global digital transformation solutions provider. For more than 20 years, UST has worked side by side with the world’s best companies to make a real impact through transformation. Powered by technology, inspired by people and led by purpose, UST partners with their clients from design to operation. With deep domain expertise and a future\-proof philosophy, UST embeds innovation and agility into their clients’ organizations. With over 30,000 employees in 30 countries, UST builds for boundless impact—touching billions of lives in the process.