Network Engineer (L1-L3) - IaC & Cloud Networking

Infinite Computer Solutions Pte Ltd; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

Infinite Computer Solutions Pte Ltd in Singapore seeks a Network Engineer at L1-L3 levels to design, implement, secure, and operate enterprise network infrastructure.

Responsibilities span LAN/WAN, Aruba switching, Fortinet and MikroTik firewalls, VPN, DNS/DHCP/IPAM, load balancing, and cloud networking, with IaC using Terraform and Ansible and observability via Cisco DNA Center and ThousandEyes.

Qualifications

• Experience with LAN/WAN design and operations.
• Hands-on with Aruba switches and VLANs.
• Familiar with Fortinet FortiGate and MikroTik firewalls.
• Proficient in DNS/DHCP/IPAM management.
• Knowledge of VPN deployment and load balancing.

Responsibilities

• Design, implement, and maintain LAN and WAN environments.
• Configure Aruba switches, VLANs, STP, and Layer 3 routing.
• Manage Fortinet FortiGate and MikroTik firewalls; update policies.
• Configure and monitor VPN services and authentication.
• Administer DNS, DHCP, IPAM and load balancing.
• Design and manage cloud networking across platforms.
• Operate DDoS protection and monitor security posture.
• Develop IaC for network deployments using Terraform and Ansible.
• Provide incident support and participate in change management.
• Maintain network diagrams and runbooks.

Skills

LAN/WAN

Aruba switching

Fortinet FortiGate

MikroTik firewall

VPN technologies

DNS/DHCP/IPAM

Load balancing

Cloud networking

DDoS protection

IaC (Terraform/Ansible)

Monitoring (Cisco DNA Center)

Automation

Tools

Terraform

Ansible

Cisco DNA Center

Cisco ThousandEyes

Job description

Infinite Computer Solutions Pte Ltd in Singapore seeks a Network Engineer at L1-L3 levels to design, implement, secure, and operate enterprise network infrastructure.

Responsibilities span LAN/WAN, Aruba switching, Fortinet and MikroTik firewalls, VPN, DNS/DHCP/IPAM, load balancing, and cloud networking, with IaC using Terraform and Ansible and observability via Cisco DNA Center and ThousandEyes.