Network Infrastructure Engineer: Secure, Scalable Networks

Tyson Jay

Singapore

On-site

SGD 60,000 - 90,000

Full time

4 days ago

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Job summary

Tyson Jay is seeking a Network Infrastructure Engineer to reinforce reliability, performance and security of enterprise networks in a managed services setting. The role covers day-to-day operations, routing and switching, secure connectivity, monitoring and incident support.

You will monitor switches/routers, configure L2/L3 networking and routing protocols, perform backups and capacity reviews, and troubleshoot issues while supporting firewall and VPN controls. After-hours rotation is required.

Qualifications

2+ years of experience in network support within enterprise or data-centre environments.
Strong understanding of TCP/IP, VLANs, routing and switching (OSPF/BGP).
Hands-on exposure to data-centre switching, SDN, firewalls, VPN technologies.
ITIL Foundation and CCNA certifications.

Responsibilities

Monitor and maintain enterprise network infrastructure across switches, routers and related connectivity services.
Configure Layer 2/3 networking, VLANs and routing protocols to maintain stable connectivity.
Perform configuration backups, change tracking and capacity reviews across the network environment.
Troubleshoot network availability, connectivity and performance issues and coordinate timely restoration of service.
Support firewall, VPN and other secure connectivity controls used across the infrastructure environment.
Administer data-centre and software-defined networking technologies in line with operational requirements.
Use network monitoring tools to identify faults, analyse trends and support preventive actions before service is affected.
Maintain network documentation and runbooks, and participate in an after-hours support rotation for critical incidents.