Lumentum · 3 months ago
STAFF Optical System Engineer
USA - CA - San Jose (1751 Fox)
Full-time
Onsite
Senior Level, Lead/Staff
$109K/yr - $155K/yrLumentum is a company committed to passion and customer focus in their operations. They are seeking a STAFF Optical System Engineer to develop comprehensive optical system models and perform signal integrity analysis while correlating simulation models with experimental data.
Optical CommunicationSemiconductorTelecommunications
Responsibilities
Develop comprehensive end-to-end optical system models, including digital signal processing (DSP), drivers, transimpedance amplifiers (TIA), and optical components such as lasers, Mach-Zehnder modulators (MZMs), and photodetectors
Perform signal integrity analysis, including constellation diagram, eye diagram generation, and bit error rate (BER) simulations
Implement and simulate digital equalization techniques such as FFE, DFE, MLSD, and pre-emphasis for signal integrity optimization
Analyze the impact of various impairments on system performance. Such as noise, crosstalk, non-linearity, reflections
Conduct both numerical and analytical simulations to assess optical system behavior under realistic operating conditions
Correlate simulation models with experiment data at both module and device levels
Qualification
Required
Develop comprehensive end-to-end optical system models, including digital signal processing (DSP), drivers, transimpedance amplifiers (TIA), and optical components such as lasers, Mach-Zehnder modulators (MZMs), and photodetectors
Perform signal integrity analysis, including constellation diagram, eye diagram generation, and bit error rate (BER) simulations
Implement and simulate digital equalization techniques such as FFE, DFE, MLSD, and pre-emphasis for signal integrity optimization
Analyze the impact of various impairments on system performance. Such as noise, crosstalk, non-linearity, reflections
Conduct both numerical and analytical simulations to assess optical system behavior under realistic operating conditions
Correlate simulation models with experiment data at both module and device levels
Familiarity with direct-detection and coherent optical communication architectures
Experience in modeling optoelectronic components (e.g., lasers, modulators, photodiodes, DAC, ADC, driver, TIA) using tools such as VPIphotonics, MATLAB, or Python
Familiarity with advanced DSP techniques, such as linear and decision-feedback equalization (FFE/DFE)
Knowledge of modeling on common impairments in high-speed optical links
Hands-on experience with high-speed optical component measurements using oscilloscopes, spectrum analyzers, and other relevant equipment
Benefits
Annual bonus
Commission for certain sales roles
Equity
Health and welfare benefits
Company
Lumentum
Lumentum Operations is an optical and photonic products manufacturer.
Founded in 2015
5001-10000 employees
H1B Sponsorship
Lumentum has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (11)
2024 (11)
2023 (14)
2022 (34)
2021 (25)
2020 (31)
Funding
Current Stage
Public CompanyTotal Funding
$3.67B2025-09-04Post Ipo Debt· $1.1B
2023-06-12Post Ipo Debt· $525M
2022-03-03Post Ipo Debt· $750M
Leadership Team
Wajid Ali
Executive Vice President and CFO
Misha Rozenberg
Executive Vice President of Operations and Quality
Recent News
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