---
title: 'Network Engineer at Lumilens'
canonical: 'https://feeny.ai/job/network-engineer-lumilens-singapore-x7v553v4jvh2'
type: 'job'
last_seen: '2026-10-12'
---

# Network Engineer at Lumilens

- **Company:** Lumilens
- **Location:** Singapore
- **Employment:** full-time
- **Posted:** 2026-09-29
- **Last confirmed live:** 2026-10-12
- **Apply:** https://jobs.ashbyhq.com/lumilens/56927d1f-a89f-422a-a648-87ef3396ccba

## Job description

## 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](http://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

## About Lumilens

## Company Overview
- **One-liner**: Lumilens designs and manufactures next-generation photonic interconnects to massively scale AI compute infrastructure.
- **Entity Type**: Private (Series B – led by Accton Technology; prior Series A of $30M from Mayfield and Spark Capital)
- **Headquarters**: San Jose, California, USA
- **Founded**: 2024
- **Founders**: Ankur Singla (CEO), Samuel Liu (VP Products), Ritesh Kapahi (VP/GM India), Dave Friedman (VP Operations)

## Core Business
- **Primary industry**: Photonics / optical interconnects for AI data centers
- **Target customers**: Large-scale AI providers and hyperscale data center operators (B2B, Enterprise)
- **Mission**: “To rapidly innovate in photonics and connectivity architectures to enable the massive scaling of compute infrastructure required to deliver the full potential of AI.”

## Products & Services
- **Photonic Interconnects (Scale-Out & Scale-Up)**: High-density, low-latency optical links that enable cluster-to-cluster and direct GPU-to-GPU connectivity. Supports 100x higher quantity of GPU direct connections than legacy approaches.
  - *Type*: Hardware (silicon photonics modules) + integrated manufacturing
- **Automated Manufacturing Platform**: End-to-end custom robotics and AI-optimized production processes to maximize yield, quality, and supply-chain flexibility.
  - *Type*: Service / Manufacturing capability (in-house)

## Market Standing
- **Valuation/Market Cap**: Not publicly available
- **Key Metric**: Total funding – $30M Series A (June 2024); Series B led by Accton Technology (amount undisclosed)
- **Notable Investors/Partners**: Mayfield, Spark Capital, Accton Technology
- **Growth Signals**:
  - Headcount grew 287% YoY (54 employees as of mid-2025) [linkedin.com]
  - Operations in 8 countries: USA, India, Thailand, Poland, Singapore, Czechia, South Korea, Malaysia
  - 48 active job postings (+23.1% monthly growth) [linkedin.com]
  - Leadership team with deep photonics/networking experience from Cisco, Juniper, Meta, Lumentum, Coherent

## Competitive Advantages
- **In-house silicon photonics development** – full control over design and supply chain
- **Systems-level expertise** – can partner on both scale-out and scale-up architectures
- **Manufacturing automation** – robotics + AI processes enable faster innovation, higher quality, and predictable deployment
- **Standards-based interconnects** – easy deployment into existing infrastructure
- **Manufacturing anywhere** – supply-chain continuity and scalable manufacturing

## Strategic Focus
- Enable massive scaling of AI infrastructure by overcoming electrical/copper limitations with advanced photonics
- Disaggregate GPUs to mitigate power and density challenges in data centers
- Expand manufacturing capacity globally and continue to automate production
- Align product roadmap with industry standards to accelerate adoption

## Why Work Here
- **Culture**: Fast-paced startup environment with deep technical expertise; mission-driven focus on enabling the future of AI
- **Work policy**: In-office (HQ San Jose, CA with Bengaluru, India as major hub) [builtin.com]
- **Perks**: Opportunity to work on cutting-edge photonics, robotics, and AI manufacturing; direct impact on world’s largest AI infrastructure
- **Engineering culture**: Heavy emphasis on silicon photonics, hardware design, robotics automation, and system-level architecture. Teams are led by veterans from Cisco, Juniper, Meta, Lumentum, Coherent.

## Sources
1. [lumilens.com](https://lumilens.com/) – Company overview, mission, leadership, products
2. [lumilens.com/company](https://lumilens.com/company) – Vision, investors, leadership team
3. [builtin.com](https://builtin.com/company/lumilens) – Career page, employee count, year founded, office policy
4. [linkedin.com](https://www.linkedin.com/company/lumilens) – Headcount, funding details, geographic/department breakdown, job trends, talent sources
5. [jobs.ashbyhq.com](https://jobs.ashbyhq.com/lumilens) – Current job openings (48 listings)

## Other roles at Lumilens

- [Executive Assistant & Office Manager](https://feeny.ai/job/executive-assistant-office-manager-lumilens-singapore-dtd7g78kq1ja) — Singapore
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- [Senior/Staff Process Engineer (Flip Chip)](https://feeny.ai/job/senior-staff-process-engineer-flip-chip-lumilens-singapore-64nme1rs25n7) — Singapore
- [Analog and Mixed Signal Layout Engineer](https://feeny.ai/job/analog-and-mixed-signal-layout-engineer-lumilens-bengaluru-q6btv6ff4bmv) — Bengaluru, India
- [Staff Optical Manufacturing Test Engineer - Hardware Automation](https://feeny.ai/job/staff-optical-manufacturing-test-engineer-hardware-automation-lumilens-singapore-51qrkg10850n) — Singapore
- [EDA & CAD Manager](https://feeny.ai/job/eda-cad-manager-lumilens-san-jose-35kdbdkpwksw) — San Jose, CA
- [Product Quality Engineer](https://feeny.ai/job/product-quality-engineer-lumilens-chon-buri-45vb6wx9tam7) — Chon Buri, Thailand
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