Network Engineer
lumilens
ABOUT THE ROLE
Lumilens is looking for a seasoned Network Engineer to design, manage, and secure our global multi-site network spanning India, Thailand, Singapore, and the US. The role demands deep networking expertise, cloud integration experience, and strong communication skills to collaborate across globally distributed teams and stakeholders.
KEY RESPONSIBILITIES
Design & maintain LAN/WAN/SD-WAN across all global sites
Manage site-to-site VPN tunnels across all 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
TECHNICAL REQUIREMENTS
Routing & Switching: Cisco / Aruba / Juniper — VLANs, STP, BGP, OSPF, LAG
Firewalls: FortiGate, Palo Alto, pfSense — policy management & threat mitigation
VPN: IPSec, SSL-VPN, site-to-site & remote access tunnels
SD-WAN / SASE: Cato Networks, Meraki, Fortinet or equivalent
Wireless: Enterprise Wi-Fi — controller-based & cloud-managed APs
Cloud Networking: Azure VNet, ExpressRoute, hybrid connectivity
Microsoft 365: Teams, Exchange Online, SharePoint, Entra ID network integration
Linux Networking: NAT, iptables, routing, jump host administration
Monitoring: PRTG, SolarWinds, Zabbix, or Grafana
Scripting: Python / Bash / PowerShell for automation & diagnostics
QUALIFICATIONS
B.E. / B.Tech in CS, IT, ECE or related field
8–10 years of enterprise network engineering experience
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
GOOD TO HAVE
SASE / ZTNA deployment experience
NetSuite ERP or SaaS application SSO troubleshooting
CCTV / physical security network integration
Enterprise collaboration platform migration (Slack → Teams)
Lab / production network segregation in manufacturing environments
Entra ID / Azure AD security group and conditional access policies
4000 - 6000 SGD
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