Assistant Vice President, Network Security Engineer

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Senior Network Security Engineer – Hybrid team at MUFG, Kuala Lumpur. Lead secure network ops, drive automation, ensure compliance.

From WAN & LAN optimization to cloud connectivity, manage critical infra, collaborate cross‑func teams, and lead incident response.

Do you want your voice heard and your actions to count?

Discover your opportunity with Mitsubishi UFJ Financial Group (MUFG), one of the world’s leading financial groups. Across the globe, we’re 150,000 colleagues, striving to make a difference for every client, organization, and community we serve. We stand for our values, building long‑term relationships, serving society, and fostering shared and sustainable growth for a better world.

With a vision to be the world’s most trusted financial group, it’s part of our culture to put people first, listen to new and diverse ideas and collaborate toward greater innovation, speed and agility. This means investing in talent, technologies, and tools that empower you to own your career.

Join MUFG, where being inspired is expected and making a meaningful impact is rewarded.

Job Description

The role is for the position of Assistant Vice President, Network Security Enginee r in KL. The successful candidate will be part of a growing dynamic regional team that does Network project implementation and operations of Network infra in the region.

Roles & Responsibilities

• Administer, Monitor, maintain and optimize WAN, LAN, Wi-Fi networks for optimal performance and maximum availability.
• Troubleshoot complex incidents (latency, packet drops, DNS issues, firewall policies, VPN instability).
• Perform WAN/LAN/Wi-Fi/Firewall/Load balancer configuration, backups, and regular network documentation updates.
• Collaborate with regional team on the design and implementation of new technical solutions.
• Troubleshoot and optimize WAN circuits with upstream provider.
• Manage and coordinate the administration of several systems
• Visit to sites and regional Data Centres carry on the tasks as required
• Assist with security and third-party software installations.
• Communicate and liaise with all company departments; notify appropriate parties immediately of any issues which may affect efficient operations including, but not limited to, outages, service disruptions, and network bottlenecks.
• Maximizes network performance by monitoring performance; troubleshooting network problems and outages; scheduling upgrades; collaborating with network architects for network optimization.
• Secure network system by establishing and enforcing policies; defining and monitoring access.
• Take an automated data driven approach to diagnosing and solving complex network infrastructure issues
• Leverage on automation skills and take a "dev ops" approach to improve efficiency of solving complex network infrastructure issues, network management.
• Capacity Planning: Perform ongoing network performance monitoring and capacity planning to handle current and future data demands.
• Security Compliance: Collaborate with security teams to ensure networks are designed and implemented with security best practices, regulatory compliance (e.g., GDPR, HIPAA), and threat mitigation in mind.
• Documentation and Standards: Develop and maintain documentation for network architecture, including diagrams, configuration guides, and operational procedures.
• Cross-Department Collaboration: Partner with application, cloud, and infrastructure teams to optimize overall system performance and deliver integrated solutions.
• Troubleshooting: Support for diagnosing, troubleshooting, and resolving complex network issues, ensuring business continuity.

Technical Requirements

Technical Requirements

Networking Protocols: Expertise in IP networking protocols (e.g., BGP, EIGRP, OSPF, MPLS, VLANs, IPsec, TCP/IP, QoS) and related technologies.

Network Security Technologies: Proficient in network security technologies like firewalls, VPNs, IDS/IPS, Load-balancers: F5 BIG-IP / AVI LB, Web proxy’s; DDI Enterprise – DNS, DHCP, NTP, IPAM

Security: Understanding of Network Segmentation in DMZ/ Perimeter networks, Zero Trust concepts, Cloud based DDOS/WAF capabilities.

Network Monitoring: Familiarity with network monitoring tools (e.g., SolarWinds, Netscout, Wireshark) for performance and anomaly detection.

Data Centre Architecture: In-depth understanding of data centre networking (e.g., spine-leaf, fabric architectures) and cloud connectivity.

Cloud Networking: Good to have exposure, with basic understanding on various cloud-to-onprem deployments like hybrid connectivity (VPN/Direct-Connect/Express-route)

Network Automation: Knowledge of network automation tools (e.g., Ansible, Python scripting, Terraform) to automate configuration, deployment, and management processes.

Job Requirements

Minimum 8 years of experience in networking in domains such as data networks, security, FW, Proxy, LB, Voice, etc.,

Demonstrated ability to lead cross-functional teams and communicate complex technical concepts to both technical and non-technical stakeholders.

Proven track record of innovative problem-solving and ability to troubleshoot complex network systems.

Educational Requirements

Bachelor’s Degree: Degree in Computer Science, Information Technology, Network Engineering, or a related field is required.

CCNA / CCNP or related professional certification is preferred.

Firewall vendor certification (Fortinet NSE / Palo / Check Point) is good to have

Mitsubishi UFJ Financial Group (MUFG) is an equal opportunity employer. We view our employees as our key assets as they are fundamental to our long-term growth and success. MUFG is committed to hiring based on merit and organsional fit, regardless of race, religion or gender.