Assistant Vice President, Network Security Engineer

About the role

Mitsubishi UFJ Financial Group (MUFG) is hiring an Assistant Vice President, Network Security Engineer in Kuala Lumpur. The successful candidate joins a growing regional team responsible for network project implementation and the operation of network infrastructure in the region. The role combines operations, implementation and advanced troubleshooting, with exposure to banking, fintech or technology-driven environments, and acts as a technical escalation point for L1/L2 support.

Key responsibilities

• Administer, monitor, maintain and optimise WAN, LAN and Wi-Fi networks for performance and availability
• Troubleshoot complex incidents such as latency, packet drops, DNS issues, firewall policies and VPN instability
• Configure WAN/LAN/Wi-Fi/firewall/load balancers, back them up and update network documentation regularly
• Collaborate with the regional team on designing and implementing new technical solutions
• Optimise WAN circuits with the upstream provider and visit sites and regional data centres as required
• Manage several systems, assist with security and third-party software installations, and liaise with all departments on outages, service disruptions and bottlenecks
• Monitor performance, schedule upgrades, and work with network architects on optimisation
• Enforce security policies, define and monitor access, and plan capacity for current and future data demands
• Work with security teams on security best practices, regulatory compliance (e.g. GDPR, HIPAA) and threat mitigation
• Develop network architecture documentation, diagrams and operational procedures
• Partner with application, cloud and infrastructure teams, and support business continuity through complex troubleshooting

Required profile

• Minimum 8 years of experience in networking (data networks, security, firewall, proxy, load balancer, voice)
• Bachelor's degree in Computer Science, Information Technology, Network Engineering or a related field
• Ability to lead cross-functional teams and explain complex technical concepts to technical and non-technical stakeholders
• Proven track record of innovative problem-solving and troubleshooting complex network systems

Required skills

• IP networking protocols (BGP, EIGRP, OSPF, MPLS, VLANs, IPsec, TCP/IP, QoS)
• Firewalls, VPNs, IDS/IPS, load balancers (F5 BIG-IP / AVI), web proxies, DDI enterprise (DNS, DHCP, NTP, IPAM)
• Network segmentation, zero trust, cloud-based DDoS/WAF
• Monitoring tools such as SolarWinds, Netscout, Wireshark
• Data centre networking (spine-leaf, fabric) and cloud connectivity
• Automation tools such as Ansible, Python scripting and Terraform (good to have)
• CCNA / CCNP or similar certification preferred; Fortinet NSE / Palo Alto / Check Point certification good to have