Jobs at Lightmatter

Lead STA sign-off and timing closure for silicon-photonics ASICs across process nodes. Develop timing constraints, run full-chip STA, automate ECOs with Tempus/PrimeTime, collaborate with RTL/DFT/architecture teams, and document best practices for synthesis through PnR and tapeout signoff.

Develop and maintain photonics PDK components and pcells, ensure synchronization between layouts, netlists, and models, author LVS/DRC decks, perform device extraction and LVS troubleshooting, build automated regression and CI pipelines, and collaborate across design, layout, and modeling teams to support tape-outs.

Lead development and maintenance of photonics process design kits and design automation flows. Build tools and integrations to support chip and system designers, troubleshoot design issues, collaborate with cross-functional teams, and ensure compliant deliverables that accelerate photonics-enabled AI data center products.

The Staff Mechanical Engineer will focus on mechanical design, structural analysis, GD&T, and FEA to enhance packaging technologies for AI architectures at Lightmatter.

As a Design Verification Engineer, collaborate with digital, analog, and photonic designers to ensure robust design verification through methodologies, test plans, and performance validation.

Design, layout, and test photonic devices while collaborating with various teams to integrate and validate products in high-volume manufacturing.

Design analog and mixed-signal circuits for optical communication systems, collaborate with architects, and validate circuit performance in the lab.

Lead design of high-speed analog/mixed-signal transceivers for silicon photonics systems. Drive block specifications with cross-functional teams, run post-layout and mixed-signal simulations, validate circuits in lab, define test plans, document designs, and mentor junior engineers.

The Physical Design Timing Engineer will drive backend digital execution, focusing on timing constraints, analysis, and closure on advanced CMOS technologies. Responsibilities include STA sign-off, collaborating with multiple teams, managing timing complexities, and automating timing ECO generation.

Responsible for timing constraints development, STA and timing closure on CMOS technologies, driving timing sign-off, analyzing power/performance tradeoffs, and running full-chip STA.

The Staff Physical Design Engineer will implement digital blocks using advanced tech nodes, focusing on timing closure and power integrity, while collaborating with teams on ASIC design.

The Staff Physical Design Engineer will implement digital blocks, ensure timing closure and power integrity, and perform physical verification for ASICs.

The Sr./Principal Mixed-Signal Digital Architect will design digital circuits for photonic-based communication, collaborate with teams, and lead product development.

The Staff Electrical Test Engineer will develop and implement ATE test solutions for Silicon Photonics products, support manufacturing testing, collaborate with teams to debug failures, and enhance testing productivity with scripting.

The Photonics Technical Lead will create scalable laser solutions for silicon photonics AI communications, collaborating across teams to ensure design feasibility and meet performance specifications.

Develop high-speed analog transceiver solutions, design analog/mixed-signal blocks, collaborate across teams, and validate circuit performance in the lab.

Lead the development of a high-temperature operating life test software system, focusing on system design, orchestration, and hardware management for testing platforms.

Develop and extend device software and firmware for photonic AI processors, collaborating with multidisciplinary teams on architecture, diagnostics, and embedded systems troubleshooting.

Develop and extend device software and firmware for photonic AI processors, collaborating with multidisciplinary teams on system integration and control mechanisms.

The Staff Embedded Software Engineer will develop software for photonic AI processors and interconnects, collaborating with multidisciplinary teams, and integrating device software and firmware while debugging embedded systems.