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Senior Electro-Optical System Engineer

Job in Fremont, Alameda County, California, 94537, USA
Listing for: Molex
Full Time position
Listed on 2026-05-04
Job specializations:
  • Engineering
    Systems Engineer, Electrical Engineering, Electronics Engineer
Salary/Wage Range or Industry Benchmark: 140000 - 200000 USD Yearly USD 140000.00 200000.00 YEAR
Job Description & How to Apply Below

Overview

Molex possesses a rich heritage in the optical industry. We provide the highest performing and field-proven wavelength management solutions from components, modules to integrated line-cards. Continuous innovation in passive component function integration, miniaturization, and manufacturing automation, cutting edge WSS and amplification technology and comprehensive optical, mechanical, electrical and software design capabilities enable us to serve the needs of high-density, high-bandwidth, and flexible optical networks of telecom, datacom, hyperscale datacenter and supercomputing.

In Fremont, we serve global clients in telecom and datacom industries in providing innovative optical modules to support our customer s next generation networks. We are looking for a highly motivated and experienced Electro-Optical System Engineer to join our team. This person will be responsible for electronic optical system design and development of innovative optical network monitoring type products. This person will work with multi-discipline teams, including sales and marketing, product line managers, electrical, mechanical, and optical R&D teams, and work with colleagues of different geographic sites.

What

You Will Do
  • Proposing new optical design concepts, conducting technology and platform evaluation for next generation optical communication products
  • Design new fiber optical products and manage product extensions, especially participate in the research, design and development of optical frequency domain reflector, optical time domain reflector, optical channel monitor, as well as weak/coherent optical signal detection/monitoring solutions.
  • Work with chief/principal optical system engineers to design new products, build optical models and performance error and tolerance analysis.
  • Work with hardware, software/Firmware members in design team, and carry out product level system analysis, modeling and simulation.
  • Provide technical guidance to process engineers and technicians. Provide technical support to customers and suppliers.
  • Provide technical support on processes development.
  • Performs design verification activities to ensure that optical design meets the specifications of the customers and standard organizations.
  • Release drawings of optical components and sub-assemblies.
  • Understand, support, and contribute to current Molex Total Quality Management (TQM), Six Sigma, International Standards Organization (ISO) and Environmental, and/or Health and Safety (EH&S) Management Systems by following stated policies and procedures.
Who You Are (Basic Qualifications)
  • Master s degree in physics, applied physics, optics and optical engineering, electrical engineering with optical orientations.
  • At least 6 years electro-optical system and/or fiber optical system design and development experience
  • Expertise in electro-optical system design and engineering
  • Hands-on experience in laser diodes/DFB/LEDs/SLEDs/VCSELs, etc. light sources; in PIN PDs/APDs, etc. light detectors; in coherent/weak and fast optical signal detections and the relevant fields.
  • Hands-on experience in micro-optics and fiber optics components and assemblies with functions of switching, modulation, attenuation, branching, amplification, etc.
  • Familiar with Zemax, CODE-V, Matlab or other simulation tools to build models of optical products.
  • Familiar with optical system error & tolerance analysis
What Will Put You Ahead
  • Ph.D. degree in physics, applied physics, optics and optical engineering, electrical engineering with optical orientations.
  • Bilingual in Mandarin
  • Familiar with large data analysis and spectra analysis algorithms
  • Familiar with the opto-mechanical design concepts and principles
  • Familiar with design for manufacturing and manufacturing processes

For this role, we anticipate paying $140,000 - $200,000 per year. This role is eligible for variable pay, issued as a monetary bonus or in another form.

At Koch companies, we are entrepreneurs. This means we openly challenge the status quo, find new ways to create value and get rewarded for our individual contributions. Any compensation range provided for a role is an estimate determined by available market data. The actual amount may be higher or lower than the range provided considering each candidate s knowledge, skills, abilities, and geographic location.

If you have questions, please speak to your recruiter about the flexibility and detail of our compensation philosophy.

Hiring Philosophy

All Koch companies value diversity of thought, perspectives, aptitudes, experiences, and backgrounds. We are Military Ready and Second Chance employers. Learn more about our hiring philosophy here.

Who We Are

At Koch, employees are empowered to do what they do best to make life better. Learn how our business philosophy helps employees unleash their potential while creating value for themselves and the company.

Our Benefits

Our goal is for each employee, and their families, to live fulfilling and healthy lives. We provide essential resources and support to build…

Position Requirements
10+ Years work experience
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