Lightmatter

Principal ML Infrastructure Researcher at Lightmatter building performance modeling tools for photonics-enabled AI systems. Focus on ML systems research, hardware-software co-design, and leading a small research team.

Principal Machine Learning Infrastructure Researcher at Lightmatter building performance modeling tools and systems research for photonics-enabled AI data centers. Lead a small ML engineering team and publish research on training/inference workloads.

Senior Mixed-Signal Digital Architect at Lightmatter designing digital circuits for photonic-based AI data center infrastructure. Responsible for architecture from concept through production, integrating high-speed analog, mixed-signal, and photonic circuits with firmware/software interfaces.

Head of Chip Architecture at Lightmatter leading the design of photonics-based AI data center interconnect chips. Requires PhD in EE/Physics, 10+ years experience, and proven track record shipping multiple chip architectures to production.

Head of Chip Architecture at Lightmatter leading the design of silicon photonics chips for AI data center interconnects. Requires PhD in EE/Physics, 10+ years experience, and proven track record shipping photonic/analog chips to high volume.

Design Verification Engineer at Lightmatter building verification infrastructure for photonics-based AI data center hardware. Role involves UVM testbenches, mixed-signal verification, and formal verification of digital, analog, and photonic designs.

Staff Electrical Design Engineer at Lightmatter designing board and system solutions for silicon photonics AI accelerators. Lead hardware systems development from concept to production, collaborating across mechanical, packaging, and IC engineering teams.

Staff Physical Design Engineer at Lightmatter implementing digital blocks in advanced process nodes (3nm) for photonics-based AI data center infrastructure. Focus on timing closure, power integrity, physical verification, and silicon photonics layout.

Staff Physical Design Engineer at Lightmatter implementing digital blocks in advanced process nodes (3nm) for photonics-based AI data center infrastructure. Focus on timing closure, power integrity, physical verification, and silicon photonics layout.

Staff embedded software engineer at Lightmatter building device firmware and control plane software for photonic AI processors and interconnects. Focus on Linux kernel development, hardware-software integration, and datacenter administration integration.

Photonics Technical Lead at Lightmatter developing integrated laser solutions for silicon photonics AI data center infrastructure. Lead cross-functional teams to design, validate, and scale laser products for extreme-scale computing.

Photonics Technical Lead at Lightmatter developing integrated laser solutions for silicon photonics AI data center infrastructure. Lead cross-functional teams to design, validate, and scale laser products for extreme-scale computing.

Sr Staff Photonics Test Engineer at Lightmatter architecting wafer, package, and system-level characterization and test strategies for silicon photonics products used in AI data center infrastructure. Develops test software, operates optical equipment, and collaborates with design and manufacturing teams.

Principal Package Assembly Engineer at Lightmatter developing 3D photonics packaging technologies for AI data center infrastructure. Lead assembly process integration, design rules, and test strategies for heterogeneous integrated co-packaged optics systems.

Senior Mixed-Signal Digital Architect at Lightmatter designing digital circuits for photonic-based AI data center infrastructure. Responsible for architecture from concept through production, integrating high-speed analog, mixed-signal, and photonic circuits.

Lead Package Assembly Integrator at Lightmatter developing 3D photonics packaging technologies for AI data center infrastructure. Responsible for assembly process development, test chip strategy, and design rules for heterogeneous integrated co-packaged optics.

Staff photonics design and layout engineer at Lightmatter building silicon photonics interconnects for AI data center infrastructure. Design and own large-scale photonic device layouts, collaborate across analog/digital/physical teams, and contribute to process design kits.

Analog Mixed Signal Architect at Lightmatter designing high-speed electro-optical interfaces and mixed-signal circuits for next-generation photonics data center infrastructure. Requires Ph.D. in EE and 5+ years of advanced-node SERDES design experience.

Analog/Mixed Signal Architect at Lightmatter designing high-speed electro-optical interfaces and mixed-signal circuits for photonic data center infrastructure. Requires Ph.D. in EE with 5+ years of advanced-node SERDES design experience.

Sr Staff Design Verification Engineer at Lightmatter building verification methodologies for photonic data center infrastructure. Focus on UVM testbenches, mixed-signal verification, and emulation for integrated digital, analog, and photonic devices.

Sr Staff Design Verification Engineer at Lightmatter building verification methodologies for photonic and analog-digital integrated circuits. Focus on UVM testbenches, mixed-signal simulation, and emulation-based design verification for AI data center infrastructure.

Mixed-Signal Validation Engineer at Lightmatter validating architecture of mixed-signal circuits for photonic-based communication fabric in data center infrastructure. Work spans AMS/photonic devices, firmware interfaces, and product roadmaps.

Sr. Firmware Development & Test Automation Engineer at Lightmatter building test infrastructure for photonic AI processors. Responsibilities include CI/CD pipeline setup, Hardware-in-the-Loop testing, test automation scripting, and cross-functional collaboration with hardware and software teams.

Staff Software Engineer at Lightmatter building HTOL test infrastructure for photonics-based AI data center hardware. Architect scalable multi-chassis testing systems, develop Python backend services, and manage hardware abstraction layers and data pipelines.

Staff embedded software engineer at Lightmatter building device firmware and control plane software for photonic AI processors and interconnects. Focus on Linux kernel/driver development, hardware-software integration, and datacenter administration integration.

Staff embedded software engineer at Lightmatter building device firmware and control plane software for photonic AI processors and interconnects. Focus on Linux kernel/driver development, hardware-software integration, and datacenter administration integration.

Staff embedded software engineer at Lightmatter building control plane architecture and laser stabilization algorithms for photonic interconnect products in AI data centers. Requires 8+ years shipping embedded systems at scale, with expertise in hardware-software integration and Linux firmware development.

Sr. Staff Electrical Test Engineer at Lightmatter developing ATE test solutions for Silicon Photonics products. Focus on high-volume manufacturing testing, wafer/package-level characterization, and yield optimization for AI data center infrastructure.

System Mechanical Design Engineer at Lightmatter designing chassis and rack platforms for AI servers. Focus on thermal management, 3D packaging, CAD design, and manufacturing coordination for photonics-based data center infrastructure.

Sr. Staff Thermal Engineer at Lightmatter designing thermal management solutions for photonics-based AI data center infrastructure. Responsibilities include thermal simulations, CFD modeling, and validation of advanced packaging technologies for extreme-scale compute systems.

Staff Mechanical Engineer at Lightmatter designing advanced packaging technologies for AI data center photonics infrastructure. Focus on mechanical design, FEA, tolerance analysis, and reliability for next-generation compute systems.

Sr. Staff Physical Design Timing Engineer at Lightmatter, a photonics-based AI data center infrastructure company. Responsible for STA sign-off, timing closure, and constraint development on leading-edge CMOS technologies for silicon photonics chips.

Sr. Staff Physical Design Timing Engineer at Lightmatter, a photonics-based AI data center infrastructure company. Responsible for STA sign-off, timing closure, and constraint development on advanced CMOS technologies for silicon photonics chips.

Photonics Hardware Validation Engineer at Lightmatter designing and building test systems for silicon photonics optical interconnect products. Responsibilities include chip bring-up, electro-optic link-level testing, test plan development, and lab validation of next-generation data center photonics hardware.

Analog IC Design Engineer at Lightmatter building high-speed transceiver circuits for silicon photonics data center infrastructure. Design mixed-signal blocks, conduct simulations, and validate performance in lab environments.

Chip Firmware Validation Engineer at Lightmatter developing and validating firmware for photonic AI processors and interconnects. Responsibilities include embedded systems debugging, firmware testing, and cross-team collaboration on control architecture.

Principal Product Manager at Lightmatter leading product definition and market introduction for silicon photonics hardware solutions. Drives design wins with semiconductor and cloud vendors, manages product lifecycle from development through production, and represents the company at industry forums.

Principal Product Engineer at Lightmatter leading semiconductor product development from silicon to high-volume manufacturing. Focus on yield optimization, DFT strategy, test planning, and cross-functional leadership for photonics-based data center hardware.

Analog IC Design Engineer, Tech Lead at Lightmatter designing high-speed analog transceiver circuits for silicon photonics and optical communication systems. Lead cross-functional teams on block-level specifications, mixed-signal implementations, and mentor junior engineers.

Principal Field Application Engineer at Lightmatter supporting high-speed I/O design for customers integrating photonic interconnect technology. Provides technical guidance on SerDes, signal integrity, and hardware design for next-generation data center silicon.

Director of NPI Operations at Lightmatter leading hardware product transition from design through mass production. Manages cross-functional teams, supply chain partners, and manufacturing ramp for advanced photonics data center infrastructure.

Analog IC Design Engineer at Lightmatter designing mixed-signal circuits for silicon photonics data center infrastructure. Responsibilities include circuit design, simulation, layout, and lab validation for optical communication systems.

Senior Technical Writer at Lightmatter leading documentation strategy for silicon photonics data center hardware and software products. Owns customer-facing content including datasheets, API docs, and user guides; manages DITA XML authoring pipelines and explores AI-enabled documentation workflows.

Analog IC Design Engineer at Lightmatter building high-speed transceiver circuits for silicon photonics data center infrastructure. Design and validate analog/mixed-signal blocks for optical and wireline communication systems.

Senior IT Support Engineer at Lightmatter providing technical support and administering core IT systems (MDM, Okta, Google Workspace, Office 365) for a fast-growing AI infrastructure company. Hands-on role split between help desk support and platform administration, requiring 5+ years of IT experience.