Senior Network & Systems Engineer (Bus Eta Communications & Resilience)

Primary Role Responsible for ensuring reliable and secure network connectivity for the Bus ETA ecosystem, including data centre networking and communications infrastructure. Key Responsibilities Design, operate, and maintain switches, routers, firewalls, and network infrastructure supporting the Bus ETA service. Monitor network performance and proactively identify connectivity issues affecting ETA data transmission. Manage LAN, WAN, VPN, and leased-line connectivity with telecommunications providers. Configure and maintain network redundancy, routing policies, and failover mechanisms to minimise service disruption. Troubleshoot network incidents and coordinate restoration activities with vendors and service providers. Conduct network capacity planning and performance optimisation. Implement network security controls, access management, and hardening measures. Support data centre cabling, switch, router, and firewall changes/replacements, as well as network equipment lifecycle management. Maintain network diagrams, configuration backups, and technical documentation. Participate in business continuity planning and provide 24/7 standby support for critical network incidents. Requirements Diploma or Degree in Computer Science, Information Technology, Engineering, or a related discipline. Experience in enterprise network administration and infrastructure support. Strong knowledge of TCP/IP, VLANs, routing, switching, LAN, WAN, VPN, and network security. Hands-on experience with Cisco, Juniper, Aruba, or equivalent networking platforms. Familiarity with high-availability network architectures, redundancy design, and failover mechanisms. Experience working with telecommunications providers and leased-line services. Strong troubleshooting, analytical, and incident management skills. Good communication and documentation skills. Able to participate in 24/7 standby support when required. Preferably 8 to 10 years of relevant experience in network engineering and infrastructure support. Working Hours Monday to Thursday: 8:30 AM – 6:00 PM Friday: 8:30 AM – 5:30 PM 24/7 standby or on-call support for critical system-related incidents, when required. Contract Duration 1-year contract Monthly Salary up to S$6,600 per month EA License No.: 96C4864 Reg No.: R25128798 HUANG QIMENG