科技職缺

North AmericaFull-timePrincipal

Principal Machine Learning Infrastructure Researcher

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Principal ML researcher modeling performance of Lightmatter's photonics-based AI data center systems for training and inference workloads, leading a small ML team and publishing systems research. Core focus: ML systems research, performance modeling, LLM frameworks, and AI compute/networking (GPUs, TPUs, Infiniband, NVLink).

300 000 – 350 000 $

Sr. Staff Physical Design Engineer

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Lightmatter seeks a Senior Staff Physical Design Engineer to implement complex digital blocks in 3nm process nodes for AI data center photonics chips, driving timing closure, STA signoff, floor planning, power analysis, and physical verification using industry-standard EDA flows and TCL/Python scripting.

220 000 – 270 000 $

Sr. Staff Physical Design Engineer

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Canada

Senior Physical Design Engineer at Lightmatter implementing digital blocks for 3nm ASICs powering photonic AI data-center chips. Day-to-day work spans synthesis through physical verification, full-chip STA, floor planning, clock implementation, power/timing closure, and scripting automation in TCL/Python.

191 000 – 219 000 CAD

Sr. Staff Physical Design Timing Engineer (STA)

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Senior Physical Design Timing Engineer driving STA sign-off for Lightmatter's AI photonics interconnect chips, running Cadence/Synopsys tools (Tempus/PrimeTime) through synthesis, place-and-route, timing closure, and tapeout on advanced CMOS nodes.

220 000 – 270 000 $

Analog IC Design Engineer, High-Speed

North AmericaFull-timeLead

Designs analog/mixed-signal IC blocks for high-speed transceivers that interface with silicon photonics, from feasibility studies and floorplanning through simulation and lab validation. Core stack: CMOS, Cadence, SERDES, GHz-speed RF/broadband analog, and photonic modulators (MZM, Ring).

Analog IC Design Engineer, Tech Lead

Tech lead designing high-speed analog/mixed-signal ICs—SerDes AFE blocks, transceivers, and Tx/Rx equalization circuits—on CMOS/FinFET processes for Lightmatter's silicon-photonics-based AI compute systems. Day-to-day work spans circuit topology investigation, EM simulation, behavioral modeling in SystemVerilog/Python/Matlab/VerilogAMS, lab validation, and mentoring junior engineers.

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230 000 – 270 000 $

Reliability Engineer (Hardware)

Hardware reliability engineer designing and executing reliability tests for Lightmatter's photonics-based AI platform and chiplet communication fabric. Performs FMEA, failure analysis, and statistical reliability modeling to ensure product durability across the lifecycle.

Staff Photonics Design & PDK Modeling Engineer

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Lightmatter is hiring a Staff Photonics Design & PDK Modeling Engineer to lead development of their internal Process Design Kit, building compact models for active and passive photonic components and bridging device physics with circuit-level simulation using Python, FDTD/FEM solvers, and tools like GDSFactory, KLayout, Lumerical INTERCONNECT, and Cadence.

179 000 – 219 000 $

Staff Photonics Design & PDK Modeling Engineer

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Canada

Lead the development of an internal photonics Process Design Kit (PDK) at Lightmatter, building compact behavioral models and Python-based pcells that bridge physical device physics with system-level simulation for AI data-center photonic chips.

138 000 – 171 000 CAD

North AmericaFull-timeLead

Hardware Systems Technical Lead

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Lead hardware systems development for Lightmatter's silicon photonics-based AI accelerators and interconnect products, owning board and system design from concept through production. Day-to-day work spans PCB/PCBA design, bench bring-up, EVT/DVT validation, and cross-functional collaboration across electrical, mechanical, firmware, photonics, and packaging teams.

217 000 – 256 000 $

Packaging Architect

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Own advanced packaging architecture for Lightmatter's photonic AI chips from concept through product release, partnering with chip and product architects on substrate, signal/power integrity, and thermal trade-offs across die-to-die interconnects and fiber attachment for AI data center products.

218 000 – 317 000 $

Staff/Sr. Staff Design Verification

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Design verification engineer at Lightmatter verifying integrated digital, analog, and photonic chip designs using UVM, SystemVerilog, AMS methods, and emulation. Partners with architecture, digital, and analog/photonics design teams on test plans, coverage closure, and tapeout sign-off for AI data center silicon.

206 000 – 236 000 $

Staff/Sr. Staff Design Verification Engineer

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Canada

Design Verification Engineer at Lightmatter verifying integrated digital, analog, and photonic chip designs for AI data center silicon. Day-to-day work uses UVM/SystemVerilog testbenches, AMS and Real Number Modeling, mixed-signal simulation, and emulation to drive DV signoff and tapeout.

148 000 – 224 000 CAD

North AmericaFull-timeSenior

Senior Technical Program Manager

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Drive program management for Lightmatter's silicon/AI photonics and chiplet interconnect products, coordinating engineering teams across design, packaging, assembly, and test phases. Core work involves silicon tapeout schedules, EVT/DVT/PVT qualification, risk management, and tools like MS-Project/Asana/Smartsheet.

189 000 – 250 000 $

North AmericaContractStaff

Staff/Sr Staff Technical Program Manager, Hardware Systems

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Drive hardware systems program execution at Lightmatter—an AI data center photonics company—coordinating electrical, mechanical, and system engineering teams plus external manufacturers from design through production, managing integrated schedules, resource planning, BOM/material flow, and cross-functional alignment.

189 000 – 252 000 $

Staff High-Speed I/O Test Engineer

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Staff engineer at Lightmatter validating high-speed serial I/O interfaces on photonic AI chips. Day-to-day work involves characterizing SerDes/transceivers with oscilloscopes, BERTs, and VNAs, developing Python test automation, and collaborating with silicon design and manufacturing teams.

187 000 – 220 000 $

Staff/Sr. Staff Electrical Test Engineer

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Staff/Sr. Staff Electrical Test Engineer at Lightmatter developing and supporting ATE test solutions for Silicon Photonics products, including wafer and package-level strategies for high-volume manufacturing, using Advantest V93000 or Teradyne testers.

170 000 – 220 000 $

Chip Firmware Validation Engineer

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Validate firmware and device software for Lightmatter's photonic AI compute and interconnect products. Day-to-day work spans embedded debugging with GDB/JTAG/logic analyzers, building test plans, and writing code in C/C++/Python on Linux with Git, CMake, and MongoDB.

185 000 – 245 000 $

Staff Hardware Validation Engineer