Senior Network Engineer: LAN/WAN & Firewall Ops

Sancro Pte. Ltd.; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

Sancro Pte. Ltd. is seeking a Network Engineer with around 5 years of experience to support and maintain enterprise network and firewall infrastructure. The role involves hands-on network operations, troubleshooting, maintenance, and project support across multiple sites.

The candidate should have a Diploma in CS/IT and strong experience with LAN/WAN, TCP/IP, DNS, DHCP, Cisco switches/routers, and Fortinet or similar firewall technologies. Zscaler experience is preferred.

Qualifications

• Diploma in Computer Science, Information Technology, or related discipline.
• Minimum 5 years of experience in network engineering or IT infrastructure support.
• Experience with Zscaler is preferred.

Responsibilities

• Install, configure and maintain network and firewall equipment.
• Monitor network performance and troubleshoot connectivity and network issues.
• Perform network maintenance, upgrades, patching and configuration changes.
• Support LAN/WAN operations and connectivity across multiple sites.
• Perform basic firewall configuration and troubleshooting.
• Assist with network implementation, migration and infrastructure projects.
• Conduct network health checks and support incident resolution.

Skills

LAN/WAN

TCP/IP

DNS

DHCP

Cisco switches/routers

Fortinet firewall

Zscaler

Network monitoring

Education

Diploma in Computer Science / IT

Tools

Cisco switches/routers

Fortinet

Zscaler

Job description

Sancro Pte. Ltd. is seeking a Network Engineer with around 5 years of experience to support and maintain enterprise network and firewall infrastructure. The role involves hands-on network operations, troubleshooting, maintenance, and project support across multiple sites.

The candidate should have a Diploma in CS/IT and strong experience with LAN/WAN, TCP/IP, DNS, DHCP, Cisco switches/routers, and Fortinet or similar firewall technologies. Zscaler experience is preferred.