Senior Technical Architect
India
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Job Description
Senior Technical Architect
Chennai, Tamil Nadu

Job Summary

We are seeking an experienced Operational Technology (OT) Subject Matter Expert (SME) with strong expertise in Industrial Control Systems (ICS), IT-OT integration, and Industry 4.0 solution architecture. The candidate will design and implement connected factory solutions integrating shopfloor systems with cloud platforms.

Key Responsibilities

Key Responsibilities

  • OT Architecture & Industry 4.0 Solutioning
  • Design end-to-end OT architectures across PLC, SCADA, MES, Historian, and Cloud.
  • Develop Industry 4.0 / Connected Factory solutions including analytics and predictive maintenance.
  • Industrial Control Systems
  • Work with PLCs, SCADA, HMI, DCS, RTU and historians.
  • Conduct OT assessments and modernization initiatives.
  • IT-OT & Cloud Integration
  • Integrate OT systems with cloud platforms (Azure/AWS) using secure architecture.
  • Implement gateways, APIs, MQTT, OPC UA for connectivity.
  • Industrial Protocols
  • Strong knowledge of OPC UA, MQTT, Modbus TCP/IP, Profinet, EtherNet/IP.
  • Integration & Data Engineering
  • Build data ingestion pipelines and real-time analytics solutions.
  • Cybersecurity (Good to Have)
  • Knowledge of IEC 62443 and NIST standards.

Skill Requirements

  • Strong experience in Industrial Control Systems, OT/IT integration, and Industry 4.0.
  • Experience with cloud platforms (Azure/AWS IoT).
  • Expertise in industrial connectivity and edge devices.

Other Requirements

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Information at a Glance

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 223,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending June 2026 totaled $14.8 billion.