Senior Principal Electrical Engineer

Job TitleLead complete RF/microwave and high-speed mixed-signal hardware architecture for next-generation optical transceivers, evaluation boards, reference platforms, and production test hardware.Design high-speed schematics and PCBAs for 100G/lane, 200G/lane, 400G/lane and beyond interconnects, supporting 800G, 1.6T, 3.2T and future architectures where applicable.Own board-level tradeoffs for signal integrity, power integrity, EMI/EMC, grounding, return path control, isolation, thermal performance, manufacturability, serviceability, cost, reliability, and schedule.Architect and design high-performance instrumentation used for validation, characterization, calibration, automation, manufacturing test, and sustaining support of fiber optic transceiver modules.Select and qualify high-speed, RF, microwave, analog, precision measurement, clocking, DSP, control, sensing, connector, cable, interconnect, and power components.Define PCB stackups, materials, copper weights, dielectric selection, via structures, backdrill strategy, impedance targets, loss budgets, fabrication rules, assembly constraints, and acceptance criteria.Partner with SI/PI, packaging, optics, firmware, software, mechanical, thermal, reliability, manufacturing, supply chain, and operations teams to deliver complete product and test solutions.Lead schematic capture, layout strategy, layout review, RF structure review, BOM review, DFM/DFT review, design verification, bring-up, debug, characterization, and production release.Define digital control interfaces and hardware/firmware interaction requirements for CPLDs, FPGAs, microcontrollers, DSPs, drivers, TIAs, modulators, lasers, sensors, ADCs, DACs, and power controllers.Develop validation plans, test methods, calibration approaches, correlation methods, guardband strategies, and production screening methods for high-volume test environments.Perform hands-on lab measurements and debug using oscilloscopes, VNAs, spectrum analyzers, BERTs, pattern generators, optical power meters, optical spectrum analyzers, thermal chambers, power supplies, SMUs, and automated test systems.Lead design reviews, risk reviews, failure analysis, root cause analysis, corrective actions, and lessons-learned across programs.Mentor senior and mid-level engineers; establish hardware design best practices, checklists, libraries, reuse blocks, and review criteria.Engage with suppliers and technical partners on advanced components, connectors, PCB materials, laminates, cable assemblies, sockets, fixtures, and precision measurement technologies.Support critical customer discussions, roadmap evaluations, architecture tradeoffs, and executive-level technical reviews as required.