Optical Systems Engineer — High‑Speed Interconnects

Credo Semiconductor, Inc.; San Jose (CA); On-site; USD 180,000 - 210,000; Full time

Benefits offered by this job

Discretionary bonus

Equity

Medical benefits

Job summary

Credo Semiconductor, Inc. is seeking an Optical Systems Engineer to validate and optimize our next-generation optical modules and components, supporting data rates from 50Gbps to 448Gbps.

You will design module schematics, develop test plans, and analyze performance data to define chip and module configurations. This role contributes to Credo’s leadership in high-speed interconnects for AI, cloud, and data-center applications.

Qualifications

• B.S. in Electrical Engineering with 7+ years of relevant experience, or M.S. in Electrical Engineering with 5+ years of relevant experience.
• Strong analog, digital, RF, and optical circuit analysis skills.
• Solid understanding of circuit theory, linear systems, feedback, IC fundamentals, high-speed RF concepts, and link-budget analysis.
• Hands-on experience with high-speed optical and electrical test equipment (e.g., VNAs, DCAs, spectrum analyzers, power meters, OSAs).
• Experience with high-speed optical/electrical testing and basic test automation.
• Programming skills in Python, C/C++, MATLAB, or LabVIEW for data collection, analysis, and visualization.
• Strong communication and presentation skills for cross-functional collaboration.

Responsibilities

• Perform electrical and optical measurements on optical evaluation boards and modules.
• Design and analyze optical and high-speed electrical hardware, including schematics for optical test stations.
• Evaluate optical components such as lasers, modulators, and receivers for performance, reliability, and suitability in reference designs and test systems.
• Develop and execute test plans for engineering validation and design verification.
• Conduct failure analysis and collaborate with contract manufacturers or field applications teams as needed.
• Work closely with cross-functional partners across signal integrity, thermal, mechanical, firmware, electrical engineering, technology, marketing, and operations.

Skills

Analog circuit analysis

Digital circuit analysis

RF concepts

Optical circuit analysis

High-speed testing

Python

C/C++

MATLAB

LabVIEW

Communication skills

Education

Bachelor's in Electrical Engineering

Master's in Electrical Engineering

Tools

VNAs

DCAs

Spectrum analyzers

Power meters

OSAs

Keysight ADS

Ansys HFSS

AutoCAD

PCB layout tools

Job description

Credo Semiconductor, Inc. is seeking an Optical Systems Engineer to validate and optimize our next-generation optical modules and components, supporting data rates from 50Gbps to 448Gbps.

You will design module schematics, develop test plans, and analyze performance data to define chip and module configurations. This role contributes to Credo’s leadership in high-speed interconnects for AI, cloud, and data-center applications.