Teams at NTT Ltd.

Designs and implements complex LAN/WAN, data center, and cloud network architectures; manages routers, switches, firewalls and load balancers; implements Zero Trust and segmentation; conducts security audits and vulnerability assessments; leads network transformation projects; optimizes performance and monitors network health; mentors engineers and maintains documentation, vendor relationships, and compliance.

Own security and privacy architecture for AI/ML products and enterprise AI platforms. Embed secure-by-design and privacy-by-design controls across the AI lifecycle, perform risk and security architecture reviews, guide controls selection and implementation, ensure compliance, and lead cross-functional security initiatives and operations including SOC design and vulnerability reduction.

Provide hands-on finance systems and data support for procurement: troubleshoot and configure ERP/source-to-pay platforms, maintain master data, validate reporting, support system upgrades, automation, UAT, change management, and cross-functional stakeholder engagement to improve data integrity and operational efficiency.