AI - IT/OT Network & Infrastructure Security Senior Role summary

We are looking for an AI - IT/OT Network & Infrastructure Security Senior professional with solution mindset and hands on security engineering expertise in network security / Infrastructure security concepts, risk and controls concepts, architecture design, transformations that sit at the intersection of enterprise platforms, cybersecurity controls, and AI tools. This role is for a Senior professional who should have practical experience in network security engineering, detection engineering, and OT cyber risk reduction, with growing exposure to AI-assisted security operations, prompt engineering, AI-driven anomaly detection, and device behavior analytics.

This role is part of the Cyber Frontier & AI capability focused on enabling scalable, AI-first cyber defense across enterprise and industrial environments.

Key responsibilities

- Understands design and implementation of network and infrastructure security strategies across enterprise, cloud, and OT environments.
- Drive adoption of Zero Trust, IEC 62443-aligned OT security controls, and advanced segmentation architectures.
- Possess knowledge about deployment and governance of NGFW, NAC, VPN, ZTNA, SASE,DNS security, CASB, and CSPM solutions.
- Incident response and security improvement initiatives to enhance cyber resilience across hybrid infrastructure.
- Possess knowledge & experience on secure remote access, DMZ architecture, PLC security, and cloud network protection.
- Valuable understanding on AI-assisted IT/OT security architecture and operations, enabling predictive threat monitoring and automated response within industrial environments.




- Understands AI-driven anomaly detection models to identify deviations in OT network traffic, process behaviors, and industrial protocols (e.g., Modbus, DNP3, OPC).
- Build AI-based rule optimization frameworks for IT/OT security controls, improving traffic filtering, segmentation policies, and alert accuracy.
- Leverage AI for OT network traffic optimization, enabling intelligent routing, congestion minimization, and adaptive policy enforcement.
- Implement AI-powered device behavior profiling, establishing baselines for PLCs, HMIs, and IoT/IIoT assets to detect unauthorized or abnormal activities.
- Apply AI in PLC code analysis and review, identifying logic anomalies, misconfigurations, and potential security vulnerabilities in industrial control systems.
- Utilize AI/ML for network threat detection, including intrusion detection, lateral movement analysis, and zero-day attack identification in IT/OT environments.
- Design and optimize prompt engineering strategies to effectively leverage GenAI tools for IT/OT security use cases such as incident investigation, log analysis, and threat intelligence enrichment.
- Enable AI-driven continuous monitoring and predictive risk analytics to enhance IT/OT resilience and reduce operational downtime.
- Build reusable methods, accelerators, reference architectures,



and runbooks that strengthen the firms AI Network & Infrastructure Security offerings and improve repeatability across sectors and accounts.
- Manage client expectations, delivery scope, solution quality, risks, and technical escalations while coaching teams and enabling long-term client capability through documentation and knowledge transfer.

Required qualifications
- 4-8 years of experience across AI driven Network & Infrastructure security domain, Security architecture, OT security, Zero Trust Security, or related fields.
- Experience with OT security tools (Nozomi, Claroty, Armis, Dragos, Cisco Cyber Vision) and OT vulnerability management.
- Expertise in XDR, Zero Trust, and regulatory frameworks (IEC 62443, CIS). Hands-on with NGFWs (Palo Alto, Cisco, Fortinet, Azure Firewall) and VMware virtualization security.
- Skilled in SSE/SASE platforms (Netskope, Zscaler, Akamai) and secure access technologies (VPN, ZTNA, DNS security).
- Strong capability in multi-vendor security integration across IT, OT, and cloud environments.
- Strong client-facing communication and the ability to operate as a trusted technical advisor to senior stakeholders.

Ideally, youll also have
- Good soft skills i.e. verbal & written communication, technical document writing etc
- Strong project management, negotiation and interpersonal skills
- Prior experience working in Advisory or Technology Consulting industry
- Customer orientation skills
- Knowledge of Information security standards and compliances (ISO 27001, ISO 27017, NIST 800 53, CISA, CIS benchmark etc.)
- Industry related certification (e.g. CISSP, CISA, CISM, SABSA, PRINCE2, TOGAF)
- Vendor related certifications (e.g. Zscaler, Nozomi, Netskope, Palo Alto Networks, Cisco & others)

📌 Senior AI Infrastructure Security Consultant (Bengaluru)
🏢 EY
📍 Bengaluru