IoT & Automation Engineer

About the Role

Logicrest Technologies is hiring an IoT Engineer / Hardware Integration Engineer to bridge physical industrial systems and cloud-based intelligence. This role involves hands-on development of embedded hardware, custom sensors, firmware, and industrial IoT systems, ensuring reliable, secure, and real-time data flow from the field to cloud and AI platforms.

You will work on live industrial deployments, collaborating closely with backend, AI, and automation teams.

Key Responsibilities

• Design, develop, and integrate custom sensors for industrial and IoT applications
• Develop and maintain sensor drivers and firmware for interfacing with analog and digital sensors
• Install, configure, and maintain industrial sensors, PLCs, and data acquisition systems
• Develop embedded firmware in C / C++ for Wi-Fi–enabled microcontrollers and microprocessors
• Work hands-on with ESP32, ARM-based microcontrollers, or similar platforms
• Design, review, and validate custom PCBs for sensor and IoT device integration
• Implement device communication using MQTT and related IoT protocols
• Integrate edge devices with cloud IoT platforms (AWS IoT Core, Azure IoT Hub, Firebase)
• Ensure secure, reliable, and continuous device-to-cloud data transmission
• Integrate PLCs and field devices with SCADA systems and backend services
• Diagnose and resolve hardware, firmware, connectivity, and data-quality issues
• Perform sensor calibration, validation, and preventive maintenance
• Create and maintain hardware schematics, driver documentation, firmware documentation, and installation guides
• Ensure compliance with industrial safety standards and electrical protocols
• Support on-site troubleshooting and production deployments

Required QualificationsExperience

• 2–4 years of hands-on experience in IoT, embedded systems, sensor development, or industrial automation
• Experience working on custom hardware and sensor-based systems

Technical Skills

• Hands-on experience with Wi-Fi–enabled microcontrollers or microprocessors
• ESP32, ARM-based MCUs, or equivalent
• Strong experience in embedded firmware and sensor driver development using C / C++
• Experience with custom sensor development, calibration, and validation
• Experience with PCB design and hardware bring-up
• Knowledge of IoT communication protocols, especially MQTT
• Experience integrating devices with cloud IoT platforms:
• AWS IoT Core
• Azure IoT Hub
• Firebase (or equivalent)
• Experience with PLCs, SCADA systems, and industrial communication protocols
• OPC UA, Modbus RTU/TCP, Ethernet/IP
• Hands-on experience with 4–20 mA loops, RS485, digital I/O
• Ability to read and interpret electrical schematics, P&ID diagrams, and instrumentation drawings
• Strong understanding of industrial electrical safety, grounding, and site protocols

Preferred / Nice-to-Have Skills

• Experience with I2C, SPI, UART, CAN sensor interfaces
• Knowledge of low-power and high-reliability sensor design
• Experience implementing OTA firmware updates and device security
• Familiarity with Linux-based embedded systems
• Experience working in startup or fast-paced deployment environments

Location & Employment Details

• Location: Ahmedabad, Gujarat (On-site, with industrial site visits)**
• Employment Type: Full-time
• Start Date: February 2026

What You’ll Gain

• Ownership of custom sensor and embedded system development
• Work on real-world industrial and infrastructure deployments
• Exposure to end-to-end IoT architecture (sensor → firmware → cloud → AI)
• Close collaboration with backend, AI, and automation teams
• Clear growth path toward Senior IoT / Embedded Systems Engineer

Job Type: Full-time

Pay: ₹75,000.00 - ₹100,000.00 per month

Work Location: In person