Senior Network & Systems Engineer (Bus ETA Communications & Resilience) - Part-Time

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