About this role
Role Summary Ryt Bank is seeking a highly experienced Senior Network Engineer to lead the design, operation, security, and continuous improvement of the bank’s enterprise network infrastructure. This role is responsible for end-to-end network management across corporate offices, data centre environments, and selected components within AWS and Alibaba Cloud. The ideal candidate will have deep hands-on expertise in enterprise networking, firewalls, VPNs, WiFi, and switching, with strong working knowledge of server and database administration to ensure secure, resilient, and high-performance systems that meet banking-grade availability and compliance requirements.
Key Responsibilities Enterprise Network Management • Design, implement, operate, and maintain the bank’s enterprise network infrastructure, including LAN, WAN, and VPN networks • Administer and optimise enterprise-grade network switches, routing, and segmentation • Ensure high availability, performance, scalability, and fault tolerance across all network environments • Lead network troubleshooting, root-cause analysis, and incident resolution
Network Security, Firewalls & VPN • Manage and administer enterprise firewalls, security policies, and network access controls • Design, deploy, and maintain site-to-site and remote-access VPNs • Work closely with security teams to ensure compliance with internal security standards, regulatory requirements, and audit expectations • Implement network hardening, segmentation, and monitoring best practices WiFi & Office Network Infrastructure • Design, deploy, and manage enterprise WiFi solutions for office environments • Ensure secure authentication, coverage optimisation, and performance tuning • Support office expansions, relocations, and upgrades from a network perspective
Cloud Networking (AWS & Alibaba Cloud) • Manage and support hybrid network connectivity between on-premise environments and cloud platforms • Administer selected networking components within AWS and Alibaba Cloud, including VPC/VPC-like constructs, routing, security groups, and connectivity services • Support cloud-based workloads with secure, resilient network designs Server & Database Administration • Provide administration and operational support for servers and databases (on-premiseand/or cloud) • Perform system maintenance, patching, performance monitoring, and capacity planning • Support backup, recovery, and high-availability configurations • Work closely with application and platform teams to ensure infrastructure reliability
Operations, Documentation & Governance • Maintain accurate network diagrams, configurations, and technical documentation • Participate in change management, release planning, and maintenance windows • Support audits, compliance reviews, and regulatory assessments • Mentor junior engineers and provide technical leadership when required
Required Skills & Experience Technical Experience • 8+ years of experience in enterprise network engineering or infrastructure roles • Strong hands-on experience with: o Enterprise firewalls and security appliances o VPN technologies (site-to-site and remote access) o Enterprise network switches and routing o Enterprise WiFi design and administration • Practical experience supporting AWS and Alibaba Cloud networking • Experience with server and database administration, including maintenance and operational support • Strong troubleshooting skills across network, system, and connectivity layers
Technical Knowledge • TCP/IP, routing, switching, VLANs, network segmentation • Network security principles and best practices • High-availability and resilient infrastructure design • Monitoring, logging, and performance optimisation
Qualifications & Certifications (Preferred) • Relevant certifications such as: o CCNP / CCIE or equivalent o Firewall or security certifications o AWS or Alibaba Cloud certifications
Personal Attributes • Strong ownership mindset and accountability • Able to operate independently in a senior, hands-on role • Clear communicator with both technical and non-technical stakeholders • Comfortable working in a regulated, security-sensitive environment • Detail-oriented with strong documentation discipline JR00000549