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

This Network Engineer role designs and operates Lumilens’s multi-site enterprise network across locations in Asia and the United States. The work spans routing, security, cloud connectivity, identity integrations, and network documentation, with coordination across distributed teams.

Role at a glance

Skills mentioned

What you will likely work on

• Design and maintain LAN, WAN, and SD-WAN across multiple sites, including site-to-site VPNs.
• Lead proof-of-concept work and deployment for SASE and SD-WAN solutions.
• Develop secure internet-access approaches using NAT gateways and Linux jump hosts.
• Configure and operate enterprise firewalls, switches, routers, wireless networks, and network services.
• Apply Zero Trust, segmentation, access-control, and threat-mitigation policies.
• Connect networks with Azure and Microsoft 365 services, and support SSO and identity-aware access integrations.
• Assess vendor proposals and document network architecture, operating procedures, and change records.
• Coordinate network work with teams across IT, HR, Finance, and Operations in different regions.

Good fit signals

• Brings 8–10 years of enterprise network engineering experience, including multi-site and multi-country environments.
• Has deep hands-on networking expertise across routing, switching, firewalls, VPNs, and SD-WAN/SASE.
• Can support hybrid connectivity involving Azure and Microsoft 365 services.
• Communicates clearly in English and has presented technical proposals to senior management.
• Works effectively with cross-cultural teams across APAC and US time zones; listed certifications and additional security or SaaS experience are helpful, not required.