Network Infrastructure Engineer -

Tyson Jay; Singapore; On-site; SGD 60,000 - 90,000; Full time

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.

Skills

TCP/IP

VLANs

Routing & Switching

OSPF

BGP

SDN

Firewall/VPN

Monitoring tools

Education

ITIL Foundation

CCNA

Tools

Network monitoring tools

SDN

Firewalls

VPN technologies

Data-centre switching

Job description

We are looking for a Network Infrastructure Engineer to support the reliability, performance and security of enterprise network environments. The role covers day-to-day network operations, routing and switching, secure connectivity, monitoring and incident support within a managed services environment.

Responsibilities

• Monitor and maintain enterprise network infrastructure across switches, routers and related connectivity services.
• Configure and support Layer 2/3 networking, VLANs and routing protocols to maintain stable and efficient connectivity.
• Perform configuration backups, change tracking and capacity or utilisation 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.

Requirements

• At least 2 years of experience in network support, monitoring or troubleshooting within enterprise or data-centre environments.
• Strong understanding of TCP/IP, VLANs, routing and switching, including protocols such as OSPF and BGP.
• Hands-on exposure to data-centre switching, SDN, firewalls, VPN technologies and network monitoring tools.
• ITIL Foundation and CCNA, or equivalent certifications, with good troubleshooting, communication and teamwork skills.

Working Hours

Monday to Friday, 8:30 AM to 6:00 PM, excluding Public Holidays.

The role includes participation in an after-hours support rotation for critical incidents.