Sr Optical System Engineer (Optical Transmission System)

Koch•Fremont, CA

23h•Onsite

About The Position

Molex is seeking an experienced Sr Optical System Engineer to join their optical transmission team in Fremont. This role focuses on developing optical transmission system simulations for DWDM networks, working with customers to understand their technical needs, and performing system modeling and simulation of the physical transport layer for various fiber-optic communication systems. The team develops advanced network components and modules like high-speed Optical Transceivers, DWDM/WDM Filters, Optical Amplifiers, Raman Amplifiers, Dynamic Gain Equalizer (DGE), and Wavelength Selective Switch (WSS).

Requirements

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 simulating and modeling systems and components 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.

Responsibilities

Conducting system modeling and simulation of the physical transport layer of various fiber-optic communication networks to support customers and internal development projects.
Identifying the best use of Molex's optical network components and modules.
Studying various aspects of existing and potential future optical components, including fibers, to select suitable techniques 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 transmission systems, and providing recommendations for mitigation and component improvements on optical impairments.
Developing system design rules, link-level optical line system control algorithms, and other innovative ideas for communication system improvements.
Developing and maintaining an optical transmission system testing bed for full characterization of optical components and modules, as well as system performance measurement for optimization.
Performing validation of simulation models and maintaining improvements in simulation modeling.
Supporting technical discussions with customers to ensure the best use of Molex solutions and products.
Assessing and reviewing designs and project activities to ensure compliance with customer requirements and development guidelines.
Troubleshooting customer field network systems issues.
Providing technical support for field operations, including issue investigation, log analysis, and resolution of optical network problems.