--- title: 'Process Engineer at Lumilens' canonical: 'https://feeny.ai/job/process-engineer-lumilens-singapore-9q6e9cdp455z' type: 'job' last_seen: '2026-09-07' --- # Process Engineer at Lumilens - **Company:** Lumilens - **Location:** Singapore - **Employment:** full-time - **Posted:** 2026-08-19 - **Last confirmed live:** 2026-09-07 - **Apply:** https://jobs.ashbyhq.com/lumilens/b9a788b0-30d4-44d9-8508-6b9150638990 ## Job description ## About Lumilens At Lumilens, we are building the essential photonics infrastructure that will drive tomorrow’s AI supercomputing. From chip-to-chip optical interconnects to scalable photonic engines, Lumilens is ushering in a new era of computing that is faster, cooler, and dramatically more efficient. We’re a well-funded startup backed by Mayfield and led by veterans who have built and scaled some of the industry’s most transformative technologies. Job Description We are seeking an experienced Active Alignment Process Engineer to join our high-performance team developing the photonics solutions powering next-generation AI infrastructure. You will be responsible for optical active alignment processes, assembly yield, equipment controls, and alignment algorithms critical for transceiver manufacturing. You will also handle equipment buyoff and qualification, as well as epoxy dispensing and curing processes. ## Responsibilities - Lead and optimize optical active alignment processes for transceiver production - Operate, set up, and maintain active alignment equipment, including equipment control and qualification - Develop, implement, and optimize alignment algorithms - Perform equipment buyoff and equipment qualification activities - Oversee epoxy dispensing and curing processes - Design and refine fixtures to improve alignment processes - Work closely with R&D, manufacturing, and engineering teams to ensure high yield and quality in production - Troubleshoot and resolve issues with equipment control, alignment processes, and fixtures - Contribute to process documentation and continuous improvement ## Requirements - Minimum 5 years of experience with optical active alignment for transceivers or related photonic devices - Familiarity with active alignment processes and equipment for optics such as FAU, lens, isolator, PIC chip, etc - Experience with AA equipment buyoff and qualification - Familiar with the key technologies such as stages, controllers, power meters, MPO connectors, laser sources, algorithms, as well as mechanical parts. - Knowledge of epoxy dispensing and curing methods - Experience with equipment control - Experience in fixture design for alignment - Proficiency in developing or optimizing alignment algorithms - Strong analytical and problem-solving skills - Bachelor’s degree or higher in engineering, physics, optics, or related field preferred ## 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