Molex ยท 5 months ago
Sr Optical System Engineer (Optical Transmission System)
Fremont, CA
Full-time
Onsite
Mid, Senior Level
$150K/yr - $200K/yr
3+ years expMolex is a leader in the optical industry, providing high-performing optical solutions. They are seeking an experienced Sr Optical System Engineer to develop optical transmission system simulations and support customer technical needs in the optical DWDM network.
ElectronicsLogisticsManufacturing
Responsibilities
Conducting system modelling and simulation of physical transport layer of various fiber-optic communication network to support customers and internal development projects
Identify best use of Molex cutting edge optical network components and modules, such as high speed Optical Transceivers, DWDM/WDM Filters, Optical Amplifiers, Raman Amplifiers, Dynamic Gain Equalizer (DGE), and Wavelength Selective Switch (WSS)
Studying various aspects of both existing and potential future optical components including fibers to select right technique(s) suitable for modeling nonlinear propagation of optical signals with advanced modulation formats
Evaluating signal-to-noise ratio (SNR), optical SNR (OSNR), bit-error rate (BER), Q-factor, OSNR penalty and Q-penalty of the transmission system, and giving mitigation and components improvement recommendation on optical impairments (including filtering, chromatic dispersion, PMD, PDL, crosstalk, nonlinearities, etc.)
Developing system design rules, link-level optical line system control algorithm and other innovative ideas for communication systems improvements
Developing and maintaining optical transmission system testing bed in full characterization of optical components and modules as well as system performance measurement for optimization direction
Performing validation simulation model and maintaining improvement of simulation modelling
Supporting technical discussion with customers for best use of Molex solutions and products
Assess and review designs and project activities to ensure compliance with customer requirements and development guidelines
Troubleshooting customer field network systems issue
Providing technical support for field operations, including issue investigation, log analysis, and resolution of optical network problems
Qualification
Required
PH.D in Optical Engineering or Physics, or related technical field, or equivalent practical experience
At least 3 years of experience combined from academia and industry in the area of simulating and modeling of system and component for optical communications
At least 3 years of hands-on experience in optical communication systems such as operating and maintaining DWDM optical networks
Hands-on experience with the operation, maintenance, and troubleshooting of: DWDM systems, Coherent optical transmission systems, Optical amplification technologies (EDFA, Raman), Optical protection schemes and Pluggable optics and transponders
Hands-on experience with optical test equipment for troubleshooting and validation, including OTDR (Optical Time-Domain Reflectometer), OSA (Optical Spectrum Analyzer), BERT (Bit Error Rate Tester), and optical power meters
Benefits
Medical
Dental
Vision
Flexible spending and health savings accounts
Life insurance
ADD
Disability
Retirement
Paid vacation/time off
Educational assistance
Infertility assistance
Paid parental leave
Adoption assistance
Company
Molex
Molex supplies electronic interconnect solutions and connectivity products for a broad range of industries. It is a sub-organization of Koch, Inc..
10001+ employees
H1B Sponsorship
Molex 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 (94)
2024 (84)
2023 (73)
2022 (56)
2021 (59)
2020 (63)
Funding
Current Stage
Late StageTotal Funding
unknown2013-09-09Acquired
Leadership Team
Martin Slark
CEO
D
Demond johns
Founder
Recent News
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2025-11-21
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