About Pro-Tec Group

Pro-Tec Group is a Singapore-based company providing geotechnical, structural, environmental, and real-time monitoring solutions for construction, infrastructure, and industrial projects. The company is expanding its technical capability in India to support IoT hardware development, embedded integration, field deployment, and sensor-to-cloud monitoring solutions.

Role Purpose

The Senior IoT Hardware & Embedded Integration Engineer will be responsible for designing, developing, integrating, testing, and troubleshooting IoT-based real-time monitoring systems for construction, geotechnical, structural, industrial, and environmental monitoring applications. The role requires strong hands-on experience in embedded firmware, hardware debugging, sensor integration, wireless communication, field deployment, and cloud/dashboard connectivity.

Key Responsibilities

• Design, develop, integrate, and troubleshoot IoT hardware systems, sensor-based embedded products, data loggers, IoT gateways, GPS trackers, telematics devices, and router-based monitoring solutions.
• Integrate geotechnical, structural, and environmental sensors such as vibration sensors, tiltmeters, inclinometers, piezometers, water level sensors, strain gauges, load cells, weather sensors, noise sensors, dust sensors, and air-quality sensors.
• Integrate communication modules and peripherals with embedded controllers and IoT devices.
• Work on GPS/GNSS, GSM/GPRS/4G/LTE, BLE, Wi-Fi, LoRa/LoRaWAN, CAN-based systems, and industrial communication interfaces.
• Develop, test, and debug embedded firmware using Embedded C/C++.
• Handle hardware bring-up, board-level debugging, prototype validation, and field issue analysis.
• Interface peripherals using UART, SPI, I2C, CAN, RS232, RS485, Modbus RTU, and Modbus TCP protocols.
• Implement and troubleshoot MQTT, TCP/IP, UDP, HTTP/HTTPS, socket communication, and API-based data transmission.
• Support real-time data transmission from site devices to cloud servers, databases, web dashboards, and mobile applications.
• Work closely with PCB design, production, server, dashboard, and mobile application teams.
• Perform root-cause analysis for hardware, firmware, communication, power, signal, and field installation issues.
• Support OTA firmware upgrades, remote diagnostics, configuration management, and device health monitoring.
• Validate device stability under real-time field conditions, including construction sites, outdoor environments, and industrial locations.
• Analyze logs, packet data, telemetry data, and communication errors for issue resolution.
• Optimize power consumption, battery performance, solar power integration, and overall device reliability.
• Support rugged field deployment, including IP-rated enclosures, cable routing, grounding, surge protection, SIM/network connectivity, weatherproofing, and power backup systems.
• Coordinate with vendors for sensors, modules, antennas, batteries, enclosures, PCBs, and hardware components.
• Participate in product architecture, testing, certification, production readiness, documentation, and deployment activities.
• Mentor junior engineers and drive technical improvements in hardware, firmware, integration, and field troubleshooting processes.

Required Technical SkillsEmbedded & Firmware

• Strong experience in Embedded C/C++.
• Hands-on experience with RTOS/FreeRTOS.
• Experience with microcontrollers such as STM32, ESP32, ARM Cortex, PIC controllers, or similar platforms.
• Firmware debugging, optimization, device startup, bootloader, watchdog, and memory management experience.
• Ability to write reliable firmware for field-deployed IoT devices.

Hardware & Electronics

• Strong understanding of digital electronics, analog electronics, power supply design, battery management, signal integrity, and sensor interfacing.
• Experience in PCB debugging, hardware validation, schematic reading, and circuit troubleshooting.
• Hands-on usage of oscilloscope, logic analyzer, multimeter, serial debugging tools, and other electronics test equipment.
• Knowledge of low-power design, battery backup, solar charging, surge protection, and outdoor device reliability.

Communication Protocols

• Strong knowledge of UART, SPI, I2C, CAN Bus, RS232, RS485, Modbus RTU, and Modbus TCP.
• Strong knowledge of MQTT, TCP/IP, UDP, HTTP/HTTPS, socket programming, and cloud data communication.
• Ability to troubleshoot communication failures using logs, packet captures, serial data, and field test results.

Wireless & IoT Technologies

• Hands-on experience with GPS/GNSS modules, GSM/GPRS/4G/LTE modules, BLE, Wi-Fi, IoT gateways, telematics systems, and industrial IoT devices.
• Experience with modules from Quectel, SIMCom, Telit, u-blox, or similar manufacturers will be an advantage.
• Experience with SIM management, antenna selection, signal-strength testing, and network troubleshooting will be preferred.

Preferred Skills

• Linux-based embedded systems.
• Device driver understanding.
• Python scripting for testing, automation, and data validation.
• Cloud IoT platforms such as AWS IoT, Azure IoT, or similar platforms.
• OTA update systems and remote device management.
• Automotive telematics, router, or networking device integration experience.
• Production testing, manufacturing support, and quality validation experience.
• Experience with dashboards, APIs, databases, and real-time monitoring platforms.

Desired Candidate Profile

• Strong troubleshooting and debugging skills.
• Hands-on hardware and firmware engineer with field-level problem-solving capability.
• Ability to independently handle end-to-end device integration from prototype to field deployment.
• Experience working on real-time IoT, GPS, sensor-based, or industrial monitoring products.
• Strong analytical, documentation, and communication skills.
• Comfortable working in fast-paced product development and site support environments.
• Ability to coordinate with cross-functional teams, including hardware, firmware, software, production, site, and vendor teams.

Preferred Industry Experience

• Geotechnical monitoring.
• Structural health monitoring.
• Environmental monitoring.
• Construction site monitoring.
• Industrial IoT.
• Smart infrastructure monitoring.
• Industrial automation.
• GPS tracking and vehicle telematics.
• Automotive electronics and EV technology.
• Networking/router devices.
• Smart devices and sensor integration.

Education

• B.Tech, BE, M.Tech, or equivalent qualification in Electronics, Embedded Systems, Electrical, Instrumentation, Computer Engineering, Mechatronics, or a related engineering discipline.
• Diploma candidates with strong hands-on embedded hardware, firmware, and IoT product development experience may also be considered.

Selection Preference

• Preference will be given to candidates who have developed or integrated field-deployed IoT devices, sensor gateways, GPS/telemetry devices, industrial monitoring systems, or real-time data acquisition systems.
• Candidates must be able to demonstrate hands-on experience in hardware debugging, firmware troubleshooting, communication protocols, and sensor-to-cloud integration.

Pay: ₹800,000.00 - ₹1,600,000.00 per year

Work Location: In person