Global Network Engineer - SD-WAN, SASE & Cloud Connectivity

Linuxconfig; Singapore; On-site; SGD 110,000 - 180,000; Full time

Job summary

Lumilens is seeking a seasoned Network Engineer to design, manage, and secure a global multi-site network spanning India, Thailand, Singapore, and the US. The role requires deep networking expertise, cloud integration, and strong collaboration with distributed teams.

Responsibilities include designing LAN/WAN/SD-WAN, managing VPNs, deploying SASE, architecting NAT and jump-hosts, and enforcing Zero Trust with SSO across Azure/M365 environments.

Qualifications

• 8-10 years of enterprise network engineering experience
• B.E./B.Tech in CS, IT, ECE or related field
• Multi-site, multi-country network management
• CCNP / Fortinet NSE4+ / CompTIA Network+ or Security+ (preferred)
• Strong verbal & written English communication
• Experience presenting proposals to senior management
• Cross-cultural collaboration across APAC & US time zones

Responsibilities

• Design & maintain LAN/WAN/SD-WAN across global sites
• Manage site-to-site VPN tunnels across 4 regions
• Lead SASE/SD-WAN POC & deployment
• Architect NAT Gateway & Linux jump host solutions for secure internet access
• Configure and manage enterprise firewalls, switches, routers & Wi-Fi
• Administer DNS, DHCP, IPAM and network monitoring tools
• Implement Zero Trust, network segmentation & ACL policies
• Support hybrid cloud connectivity (Azure / M365 / Entra ID)
• Manage SSO integrations & identity-aware network access (SAML/OIDC)
• Evaluate vendor RFQs with technical and cost-benefit analysis
• Document architecture, runbooks & change management records
• Collaborate with global teams across IT, HR, Finance & Operations

Skills

Cross-cultural collaboration APAC & US

English communication

Proposals to senior management

Multi-site network management

Education

B.E./B.Tech in CS/IT/ECE

Tools

Cisco/Aruba/Juniper routing & switching

FortiGate/Palo Alto/pfSense firewalls

IPSec/SSL-VPN/site-to-site

SD-WAN: Cato/Meraki/FortiNet

Azure VNet/ExpressRoute

Linux networking (NAT/iptables)

Monitoring: PRTG/SolarWinds/Zabbix/Grafana

Scripting: Python/Bash/PowerShell

Cloud connectivity (Azure/M365/Entra ID)

Job description

Lumilens is seeking a seasoned Network Engineer to design, manage, and secure a global multi-site network spanning India, Thailand, Singapore, and the US. The role requires deep networking expertise, cloud integration, and strong collaboration with distributed teams.

Responsibilities include designing LAN/WAN/SD-WAN, managing VPNs, deploying SASE, architecting NAT and jump-hosts, and enforcing Zero Trust with SSO across Azure/M365 environments.