
Automation & IoT Engineer
Designation: Automation & IoT Engineer (Water Treatment)
Location: Kolkata
Experience: 5–7 years
Working Days & Hours: 6 days a week | 10:00 AM – 6:30 PM
Industry Focus:
⚡ Water Treatment Industry Only
Key Responsibilities:
- Design, implement, and maintain automation systems (SCADA, PLC, HMI) tailored for water treatment plants, ensuring seamless integration with existing infrastructure.
- Program and configure PLC/SCADA systems for process automation of pumps, valves, filters, dosing systems, chemical treatment, backwashing, sludge handling, and other water treatment operations.
- Integrate IoT-based real-time monitoring solutions including flow meters, pressure transmitters, water level sensors, and water quality instruments (pH, turbidity, TDS, conductivity, chlorine residual, etc.).
- Develop and configure data acquisition systems (DAQ) to collect, process, and analyze operational parameters, ensuring availability of accurate real-time and historical data.
- Set up dashboards and cloud-based remote monitoring platforms for centralized control, reporting, and decision-making across multiple plant sites.
- Ensure reliable industrial communication protocols (Modbus RTU/TCP, Profibus, OPC-UA, MQTT, Ethernet/IP, LoRa, GPRS/4G/5G) for smooth data exchange between PLCs, IoT devices, and cloud servers.
- Conduct system testing, troubleshooting, diagnostics, and preventive maintenance of PLCs, SCADA servers, HMIs, sensors, actuators, and communication networks to minimize downtime.
- Collaborate with process engineers and plant operators to optimize plant performance through advanced control strategies (PID tuning, VFD integration, energy optimization, predictive maintenance).
- Design and implement cybersecurity measures to protect automation & IoT systems from unauthorized access, malware, and data breaches.
- Prepare and maintain technical documentation including control logic diagrams, wiring diagrams, SOPs, and system manuals.
- Coordinate with vendors and contractors for procurement, installation, and commissioning of automation hardware/software.
- Support plant expansion and upgradation projects by evaluating new automation technologies and IoT solutions.
- Train and mentor plant operators on SCADA/HMI usage, alarm handling, and IoT dashboards to improve operational efficiency.
- Generate periodic performance reports on plant automation, IoT monitoring, energy consumption, and water quality compliance.
Must-Have Skills:
- SCADA, PLC, HMI expertise
- IoT and real-time monitoring integration
- Combination of Automation, Instrumentation & IoT experience
Candidate Profile:
- Minimum 5–7 years of experience
- Kolkata-based only
- Prior experience in Water Treatment Industry mandatory

About Hunarstreet Technologies Pvt Ltd
About
At Hunarstreet Technologies Pvt Ltd, we specialize in delivering India’s fastest hiring solutions, tailored to meet the unique needs of businesses across various industries. Our mission is to connect companies with exceptional talent, enabling them to achieve their growth and operational goals swiftly and efficiently.
We are able to achieve a success rate of 87% in relevancy of candidates to the job position and 62% success rate in closing positions shared with us.
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