Jobs at Lightmatter

The Staff Data Systems Engineer will develop and manage data platforms supporting semiconductor manufacturing, ensuring data quality, onboarding, and reporting for hardware testing and AI workflows.

The Staff Data Systems Engineer will bridge hardware expertise and data infrastructure, designing data pipelines, ensuring data quality, and mentoring junior engineers while collaborating with technical teams.

The role involves developing firmware for photonic products, collaborating across teams, defining architectures, and integrating with Data Center capabilities.

Lead technical writing for customer-facing content, ensuring quality and technical accuracy while collaborating with cross-functional teams. Manage documentation workflows and innovate with AI tools.

Develop and maintain host control software for lasers, build test infrastructure, collaborate with multidisciplinary teams, and troubleshoot embedded systems.

Lead transition of next-gen hardware from design to mass production. Oversee product lifecycle, supplier readiness, ramp management, schedule, and financial targets.

Develop high-speed analog transceiver solutions while collaborating with architects and engineers for optical communication systems.

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.

Lead development of end-to-end 2D/3D and wafer-scale package assembly, test, and fiber-attach processes. Define test-chip requirements, run design-of-experiments, address reliability and thermal/mechanical issues, and coordinate with foundries, OSATs, and architects to ensure manufacturable, high-yield designs.

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

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.

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.

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.

As a Reliability Test Intern, you will conduct reliability tests, set up testing environments, and analyze data to present to stakeholders.

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

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.

Develop microarchitecture design and RTL for ML/AI accelerator ASICs while collaborating with various engineering teams to ensure high performance and low power designs.

Develop microarchitecture design and RTL for ML/AI accelerator ASICs, collaborate with teams, and manage RTL implementation for high-performance designs.