Electronics & Controller Specialist

Refroid Technologies Private Limited; Hyderabad; Vor Ort; INR 1.500.000 - 2.500.000; Vollzeit

Zusammenfassung

Refroid Technologies Private Limited seeks an Electronics & Controller Specialist to design, develop, integrate, test and validate electronic control systems for its cooling products. You will collaborate with Mechanical, Thermal, Electrical, Firmware, and Product Development teams to deliver reliable controller solutions.

Ideal candidates have hands-on PLC/SCADA experience, sensor integration, and proficiency in Embedded C/C++.

Qualifikationen

• Hands-on experience designing and validating electronic control systems for cooling equipment.
• Experience with PLCs, SCADA, sensors, and instrumentation for complex systems.
• Strong embedded software interaction, includingEmbedded C/C++ development.
• Exposure to modular hardware integration, PCB review, and electrical safety.
• Familiarity with EMI/EMC considerations and Design for Manufacturing (DFM).

Aufgaben

• Design and develop electronic control systems for cooling and thermal-management products.
• Define electronics architecture for CDUs, cooling systems, pumps, valves, and sensors.
• Develop system-level diagrams, schematics, and wiring/interface documentation.
• Create and validate control logic, HMI/SCADA screens, and communication maps.
• Collaborate with firmware, mechanical, and software teams throughout prototyping to release.
• Support testing, calibration, and reliability validation including HIL.
• Integrate controllers with mechanical and data-center monitoring systems.
• Review PCB layouts for signal integrity and safety; aid DFx activities.

Kenntnisse

Embedded C/C++

PLC-SCADA

Sensors integration

Control systems

PCB/electronics

DFM/DFR

Industrial protocols

Firmware collaboration

Ausbildung

BE/BTech in Electronics or ECE or related

M.Tech/ME in Electronics/Control Systems (preferred)

Tools

TIA Portal

WinCC

MATLAB/Simulink

LTspice/PSpice

CAN analyzers

Jobbeschreibung

Job Title: Electronics & Controller Specialist

Working Days: 6 Days a Week

Client: Refroid Technologies (https://www.refroid.com)

Company: At Refroid Technologies, we are pioneering next-generation liquid cooling solutions that redefine how data infrastructure operates. From hyperscale data centers to high-performance edge environments, our modular and efficient systems are engineered to reduce energy consumption, maximize performance, and contribute to a greener planet.

Role Overview

The Electronics & Controller Specialist will be responsible for the design, development, integration, testing, troubleshooting, and validation of electronic control systems used in Refroid's cooling and thermal-management products.

The role will involve close collaboration with Mechanical, Thermal, Electrical, Firmware/Software, Product Development, Manufacturing, Quality, and Service teams to develop reliable controller and electronics solutions for cooling equipment. The ideal candidate should have hands‑on experience in programable logic controllers, industrial automation, sensors, control systems, PCB/electronics, communication protocols, instrumentation, and product testing.

Key Responsibilities

• Design and develop electronic control systems for cooling and thermal-management products.
• Define electronics architecture for CDUs, cooling systems, pumps, valves, fans, sensors, actuators, and monitoring systems.
• Select appropriate microcontrollers, processors, sensors, communication interfaces, drivers, relays, power supplies, and other electronic components.
• Develop system-level block diagrams, schematics, wiring/interface diagrams, and electronics architecture documentation.
• Participate in new product development from concept through prototype, validation, and production release.
• Support Design for Manufacturing (DFM) and Design for Reliability (DFR) activities.

2. PLC-SCADA & Control Systems

• Develop and integrate programable logical controllers for cooling and thermal-management applications.
• Develop control logic for:
• Pumps
• Fans
• Valves
• Compressors
• Temperature control
• Pressure monitoring
• Flow control
• Safety interlocks
• Alarm and fault conditions
• Implement closed-loop control strategies where applicable.
• Design, configure and deploy intuitive HMI screens and SCADA systems for real time monitoring.
• Work with PID/control algorithms for temperature, pressure, flow, and other process parameters.

3. Sensors & Instrumentation

• Select, integrate, calibrate, and troubleshoot sensors used in thermal-management systems.
• Experience with sensors such as:
• Temperature sensors
• Pressure sensors
• Differential pressure sensors
• Flow sensors/meters
• Humidity sensors
• Current/voltage sensors
• Develop appropriate signal-conditioning and interface circuits.
• Ensure sensor accuracy, reliability, calibration, and signal integrity.

4. Communication Protocols

Strong understanding and hands‑on experience with industrial communication protocols such as:

• Modbus RTU / TCP
• RS-485
• CAN / CAN-FD
• UART
• SPI
• I2C
• Ethernet
• MQTT
• TCP/IP
• BACnet / OPC-UA is an added advantage.
• Integrate controllers with BMS, SCADA, PLC, cloud dashboards, and monitoring platforms.
• Troubleshoot communication and interoperability issues between controllers and external systems.
• Support development of communication maps, registers, addressing, and interface documentation.
• Review PCB layouts for signal integrity, grounding, EMI/EMC considerations, thermal performance, and manufacturability.
• Support selection of:
• MOSFETs
• Relays
• Drivers
• ICs
• Connectors
• Power supplies
• Communication interfaces
• Review component ratings and electrical safety requirements.
• Support prototype PCB bring-up and debugging.

6. Firmware & Embedded Software

• Work with firmware developers to define control requirements and system functionality.
• Develop or review embedded firmware for controllers where required.
• Debug firmware and hardware integration issues.
• Support implementation of:
• Sensor monitoring
• Control loops
• Safety interlocks
• Experience with Embedded C/C++ will be preferred.

7. Testing & Validation

• Develop electronics and controller test plans and test procedures.
• Perform functional testing of controllers and electronic systems.
• Conduct Hardware-in-the-Loop (HIL) or system-level testing where applicable.
• Perform sensor validation and calibration.
• Conduct environmental and reliability testing.
• Support EMI/EMC testing and troubleshooting.
• Identify root causes of hardware, firmware, communication, and control-system failures.
• Implement corrective and preventive actions.

8. Product Integration

• Integrate electronics and controllers with mechanical, thermal, electrical, and software systems.
• Work with Thermal and Electrical Engineers to ensure proper control of cooling equipment.
• Support integration of controllers with:
• Pumps
• Fans
• Compressors
• Valves
• CDUs
• Cooling loops
• Data-center monitoring systems
• Participate in prototype builds and system commissioning.
• Diagnose hardware, controller, sensor, communication, and control-system failures.
• Perform systematic root-cause analysis using tools such as:
• Multimeter
• Logic analyzer
• Power analyzer
• CAN/Modbus diagnostic tools
• Electronic test equipment
• Analyze field failures and customer issues.
• Implement design improvements to improve product reliability and serviceability.

Prepare and maintain:

• Schematics
• BOM
• Component specifications
• I/O lists
• Communication maps
• Sensor specifications
• Test procedures
• Validation reports
• Failure analysis reports
• Product release documentation

Key Technical Skills

Electronics

• Analog and digital electronics
• Signal conditioning
• Electronic component selection

Controls & Instrumentation

• PLC-SCADA
• PID control
• Temperature control
• Pressure control
• Flow control
• Sensor integration
• Actuator control

Communication

• Modbus RTU/TCP
• RS-485
• CAN/CAN-FD
• UART
• SPI
• I2C
• Ethernet
• MQTT
• TCP/IP

Experience with relevant tools such as:

• TIA – Total Integrated Automation portal
• Wincc
• MATLAB/Simulink
• LTspice / PSpice
• Logic Analyzer
• CAN analyzers
• Modbus diagnostic tools

Preferred Domain Experience

Candidates with experience in one or more of the following industries will be preferred:

• HVAC
• Data Center Cooling
• Thermal Management
• Building Management Systems
• Process Control

Experience with CDUs, liquid cooling systems, data-center infrastructure, pumps, valves, heat exchangers, chillers, or refrigeration control systems will be a strong advantage.

Education

Mandatory:

• B.E./B.Tech in Electronics & Communication Engineering, Electronics Engineering, Electrical & Electronics Engineering, Instrumentation Engineering, or related discipline.

Preferred:

• M. Tech/M.E. in Electronics, Control Systems, Control & Instrumentation, or related field.