Network Engineer

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