Top Tech Jobs & Startup Jobs

Designs and maintains software automating photonic chip bring-up, characterization, and production testing across bench and ATE environments. Develops test methods, test flows, instrument controls, data pipelines, and hardware integrations. Collaborates with hardware, characterization, and manufacturing teams, debugs hardware/software issues, supports test releases, and mentors engineers while owning test software architecture for product lines.

Design and maintain software that automates photonic chip bring-up, characterization, validation, and production testing across laboratory and ATE environments. Develop test methods, test flows, instrument controls, data pipelines, and hardware integrations. Debug hardware-software issues, support test releases, collaborate with hardware and manufacturing teams, and mentor engineers while owning test software architecture.

Own the digital architecture of Lightmatter’s Passage photonic computing product from concept through high-volume production. Architect system-level digital designs integrating analog, mixed-signal, and photonic circuits, including DSP, FEC, CRC, stabilization, tuning, and adaptation. Collaborate with chip design, RTL, verification, firmware, test, validation, product, and applications teams. Develop specifications, validate prototypes against simulations, support hardware bring-up, and create customer-facing datasheets and reference designs.

Develop embedded firmware and control software for photonic transceiver lasers, including stabilization algorithms, diagnostics, telemetry, monitoring, hardware bring-up, and automated testing. Collaborate with photonic, analog, digital, and systems engineers while debugging embedded systems and integrating management interfaces such as CMIS, OpenBMC, and DMTF standards. The role requires C/C++ and Python expertise, hardware-software integration, lab testing, and ownership of production-ready firmware components.

Conduct electro-optic testing and characterization of silicon photonics chips and components, including micro-rings, phase shifters, and Mach-Zehnder interferometers. Operate optical and semiconductor test equipment, design testing protocols, and develop automated testing systems using Python. Analyze experimental data, solve complex technical problems independently, and translate findings into actionable strategies in a photonics laboratory environment.

Provides technical leadership for hardware systems developing silicon photonics-based AI accelerators and interconnect platforms. Owns multiple hardware projects from concept through production, including PCBA definition, system integration, verification, validation, documentation, and production release. Collaborates across electrical, mechanical, packaging, firmware, photonics, software, and IC engineering teams while mentoring engineers and driving technology roadmaps. Requires deep expertise in VRMs, high-speed SerDes, and major hardware interfaces.

Own end-to-end simulation, co-design, and laboratory verification of photonic-electronic links. Develop multi-physics optical and analog models, perform corner, Monte Carlo, and PVT analyses, create link budgets, and correlate simulations with silicon measurements. Partner with photonic and analog circuit teams on architecture, specifications, interface requirements, and corrective design actions. The role requires high-speed optical lab expertise, silicon photonics experience, and proficiency in photonic, mixed-signal, and Python-based simulation workflows.

Owns major enterprise customer accounts and drives the full sales cycle from engagement through deal closure. Responsibilities include developing account strategies, expanding revenue, building executive and technical relationships, positioning complex photonics and data center solutions, forecasting pipeline, leading negotiations, and coordinating cross-functional teams to deliver customer success.

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.