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

Lumilens Inc.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Lumilens Inc. is seeking a seasoned Network Engineer to design, manage, and secure a global multi-site network spanning India, Thailand, Singapore, and the US.

You will collaborate with globally distributed teams to implement SD-WAN, SASE, Zero Trust, and hybrid cloud connectivity across Azure and M365 ecosystems. The role requires deep networking expertise, strong communication, and the ability to lead deployments, document architecture, and engage with senior stakeholders across APAC and US

Qualifications

• 8–10 years enterprise network engineering experience.
• Multi-site, multi-country network management.
• CCNP / Fortinet NSE4+ / CompTIA Network+ or Security+ (preferred)
• Experience presenting proposals to senior management
• Cross-cultural collaboration across APAC & US time zones

Responsibilities

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

Skills

English communication

Cross-cultural collaboration

Senior stakeholder communication

Education

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

Tools

Cisco

Aruba

Juniper

FortiGate

Palo Alto

pfSense

Azure

M365

ExpressRoute

Job description

Lumilens Inc. is seeking a seasoned Network Engineer to design, manage, and secure a global multi-site network spanning India, Thailand, Singapore, and the US.

You will collaborate with globally distributed teams to implement SD-WAN, SASE, Zero Trust, and hybrid cloud connectivity across Azure and M365 ecosystems. The role requires deep networking expertise, strong communication, and the ability to lead deployments, document architecture, and engage with senior stakeholders across APAC and US