OT Architect

Tata Consultancy Services; Pune District; On-site; INR 1,200,000 - 1,600,000; Full time

Job summary

A leading consultancy firm is seeking an experienced OT Engineer in Pune, Maharashtra. The ideal candidate will have 8-15 years of experience in OT engineering, OT/IT convergence, and industrial network architecture. Responsibilities include developing OT architecture blueprints, designing SCADA systems, and implementing cybersecurity frameworks. A Bachelor’s in Engineering, preferably in Electrical Engineering, is required along with experience in utilities such as energy and oil & gas.

Qualifications

• 8-15 years of experience in OT engineering.
• Experience in utilities such as energy, oil, and gas.
• Conduct vulnerability assessments and risk analysis for OT systems.

Responsibilities

• Develop end-to-end OT architecture blueprints.
• Design SCADA, EMS, IoT Framework, HMI, and historian architectures.
• Implement security frameworks and conduct risk analysis.

Skills

OT engineering

Industrial network architecture

OT/IT Convergence

SCADA systems

Cybersecurity frameworks

Education

Bachelor’s in engineering (Electrical Engineering preferred)

Tools

Cisco

Fortinet

AWS IoT

Azure IoT

Job description

8–15 years’ experience in OT engineering, OT/IT Convergence & industrial network architecture.

Bachelor’s in engineering preferably Electrical Engineering

Experience in utilities such energy, oil & gas

Key Responsibilities

• Develop end-to-end OT architecture blueprints covering control systems, industrial networks, edge compute, and integration layers.
• Design SCADA, EMS, IoT Framework, HMI and historian system architectures.
• Worked on Disaster Recovery (DR) Framework.
• Lead modernization initiatives such as Industry 4.0, IIoT, cloud integration, and digital twin adoption.
• Build secure and controlled interfaces between OT environments and enterprise IT systems.
• Define data flows, integration patterns, and communication protocols (OPC-UA, MQTT, Modbus, EtherNet/IP).
• Collaborate with IT architects on network segmentation, identity, and infrastructure alignment.

3. OT Cybersecurity

• Implement security frameworks (ISA/IEC 62443, NIST 800-82).
• Conduct vulnerability assessments and risk analysis for OT systems.
• Define and enforce policies for network zoning, secure remote access, patching, and incident response.
• Work with SOC teams to integrate OT monitoring and threat detection
• Lead architecture and design efforts for new plants, OT upgrades, or digital transformation programs.
• Provide technical leadership to engineering, automation, cybersecurity, and IT teams.
• Maintain architecture documentation, standards, and lifecycle roadmaps.
• Evaluate and approve new OT technologies, vendors, and solutions.

Technical Skills

• Deep understanding of SCADA, EMS, HMIs, historians, and industrial protocols.
• Experience with industrial networking (Cisco, Moxa, Fortinet).
• Worked on OT Endpoint Protection, Secure Remote Access Devices, OT Network Monitoring & Asset Discovery Appliances
• Knowledge of cybersecurity tools for OT (firewalls, NAC, IDS/IPS, SIEM integration).
• Familiarity with cloud & IIoT platforms (Azure IoT, AWS IoT, Siemens MindSphere).
• Understanding of virtualization, edge computing, and high-availability architectures.