Assumed leadership of the IT Security team, orchestrating the development and implementation of cutting-edge security protocols and measures. This role involved direct engagement with C-level executives to integrate security strategies seamlessly with the broader business vision, significantly elevating the organisation's defence mechanisms against cyber threats.Leading projects on key Automation, AI, SASE, CASB, hybrid workforce and transformation initivatives.

Oversaw the strategic planning, development, and management of complex network infrastructures, leading to enhanced network performance, reliability, and scalability across multiple organisational units.Led the design of a new global network infrastructure, transforming the organisation's technological landscape and significantly enhancing operational resilience. Engaged with C-level executives to align network strategies with overarching business goals, ensuring robust security and compliance with industry standards through the integration of cloud services and advanced cybersecurity measures.

Designed and implemented advanced network and security architectures for large enterprises, significantly enhancing their security posture and network performance while ensuring scalability and compliance with industry standards.Led cross-functional teams in the deployment of complex security solutions, reducing vulnerabilities and ensuring robust defense mechanisms against emerging threats, directly impacting client resilience against cyber incidents.Strategised and executed comprehensive network upgrades and security overhauls, achieving notable improvements in system reliability and data protection, and fostering strong client trust and satisfaction through superior service delivery.

- (Ultra) low latency trading network engineer- building and maintaining various internal dev/office and exchange facing trading infra- Engineered and optimised network infrastructures for ultra-low latency performance, crucial for supporting high-frequency trading operations, achieving significant reductions in execution times and markedly enhancing trading efficiency.- Built internal apps to monitor and analyse network performance - Prometheus/sflow/Grafana/mongodb

Managing and maintaining CMEs Global infrastructure:- low latency trading infra- load-balacing/global cdn- multicast market trading data platform

・Deploying, integration, maintaining, developing Fujitsu Global Cloud Platform both Domestically and Internationally・Responsible for Developing an automatic monitoring configuration program・NAS configurations (RAID, iSCSI) ・Virtual Machine Provisioning (Xen) and OS system builds, CentOS and Windows.・Virtual firewall and Load Balancing Configurations・BGP network configurations connecting global regions・Network Design using Visio・Network Verification using PRTG・Authentication Server construction・Basic database construction in mysql・Third line support and rapid incident resolution・Part of the team responsible for co-ordination of deployment and integration of Service Pack releases globally

・Development of open source applications under the Nagios and GroundWork tree for Network and Application Monitoring.・Network Design Verification and Testing・Complete Network Infrastructure Construction of Campus Environments including but not exclusive to Load Balancing, SSL-VPN, Multiple Routing Protocols, AAA, Monitoring・Hands on Experience of Cisco Core switches, Cisco routers, Juniper switches and IPCom devices・Consultancy・Working in a bridging capacity for language, cultural and technical understanding between Fujitsu and our Oversea partners