---
title: 'Hardware Test Engineer at Lumilens'
canonical: 'https://feeny.ai/job/hardware-test-engineer-lumilens-bengaluru-esrv2zar4b4f'
type: 'job'
last_seen: '2026-09-07'
---

# Hardware Test Engineer at Lumilens

- **Company:** Lumilens
- **Location:** Bengaluru, India
- **Employment:** full-time
- **Work type:** onsite
- **Posted:** 2026-06-17
- **Last confirmed live:** 2026-09-07
- **Apply:** https://jobs.ashbyhq.com/lumilens/8c2bb962-56ae-4a3b-bc91-2ef11187eef7

## Job description

Hardware Test Engineer

## About Lumilens

At Lumilens, we are building critical photonics infrastructure powering tomorrow’s AI supercomputing. From chip-to-chip optical interconnects to scalable photonic engines, Lumilens is unlocking a new era of computing—faster, cooler, and massively more efficient. Join our collaborative team to shape the future of high-speed optical connectivity.

Position Overview

Lumilens is seeking a skilled Hardware Test Engineer with 10-12 years of experience to join our innovative hardware team. In this role, you will be responsible for ensuring the quality, reliability, and compliance of our high-performance photonics and semiconductor solutions through rigorous hardware testing practices. You will play a key role in the development lifecycle, collaborating with engineering and manufacturing teams to deliver products that meet the highest standards.

## Key Responsibilities

- Design and execute comprehensive hardware test plans and test cases for new product introductions and existing hardware platforms
- Develop and maintain automated test setups, utilizing industry-standard frameworks and tools
- Analyze and debug hardware issues, working cross-functionally with design and development teams
- Ensure testing aligns with industry standards and regulatory requirements
- Interpret hardware schematics and datasheets to facilitate thorough testing methodologies
- Conduct environmental testing, including thermal and humidity assessments
- Perform and document EMC (Electromagnetic Compatibility) tests as needed
- Operate a variety of test equipment, including oscilloscopes, multimeters, and logic analyzers
- Maintain detailed test records, results, and reports for product validation and compliance

Required Technical Skills

- Proficiency in hardware testing methodologies and best practices
- Strong knowledge of electrical and electronic systems
- Experience designing and executing test plans and test cases
- Familiarity with test automation tools and frameworks
- Ability to read and interpret hardware schematics and datasheets
- Knowledge of industry standards and regulations for hardware testing
- Understanding of signal integrity and power integrity concepts
- Proficiency using test equipment, such as oscilloscopes, multimeters, and logic analyzers
- Experience with hardware debugging and troubleshooting techniques
- Understanding of digital and analog circuit design principles
- Familiarity with environmental testing (temperature and humidity chambers)
- Understanding of electromagnetic compatibility (EMC) testing

## Qualifications

- Bachelor’s or Master’s degree in Electrical Engineering, Electronics, or a related field
- 10-12 years of hands-on experience in hardware testing within optical, semiconductor, or related technology sectors
- Strong analytical, organizational, and collaborative communication skills

Why Join Lumilens?

- Work at the forefront of AI, networking, and optical semiconductor technology
- Collaborative and innovative environment
- Opportunities for career growth
- Competitive salary and comprehensive benefits package

Lumilens is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, or any other protected characteristic.

## 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

- [Staff Wafer-Level Testing Equipment Engineer](https://feeny.ai/job/staff-wafer-level-testing-equipment-engineer-lumilens-singapore-2p0ya27rda60) — Singapore
- [Sourcing Manager (Foundry & OSAT)](https://feeny.ai/job/sourcing-manager-foundry-osat-lumilens-singapore-26re9q580khj) — Singapore
- [Senior/ Staff NPI Wafer Bumping/Fan-Out Process Engineer](https://feeny.ai/job/senior-staff-npi-wafer-bumping-fan-out-process-engineer-lumilens-singapore-ma0tx35az5eq) — Singapore
- [Staff Wafer-level Testing Engineer (Operations & Process)](https://feeny.ai/job/staff-wafer-level-testing-engineer-operations-process-lumilens-singapore-cvp2fdz9w4qr) — Singapore
- [Optical Transceiver Product Engineer](https://feeny.ai/job/optical-transceiver-product-engineer-lumilens-thailand-f5tgy64vcaxr) — Thailand
- [Product Quality Engineer](https://feeny.ai/job/product-quality-engineer-lumilens-chon-buri-45vb6wx9tam7) — Chon Buri, Thailand
- [Analog Layout Lead](https://feeny.ai/job/analog-layout-lead-lumilens-san-jose-5fmv4e96vhpt) — San Jose, CA
- [IT Specialist](https://feeny.ai/job/it-specialist-lumilens-bengaluru-c85avweewvq3) — Bengaluru, India
- [IT Specialist Intern](https://feeny.ai/job/it-specialist-intern-lumilens-san-jose-psmknddggbz7) — San Jose, CA
- [Senior Staff Software Engineer, Data](https://feeny.ai/job/senior-staff-software-engineer-data-lumilens-san-jose-mxja907kewxx) — San Jose, CA