Senior Optical Application Engineer
Credo • San Jose, CA179d • Onsite
Optical Engineer Jobs
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Senior Optical Application Engineer
Credo•San Jose, CA
•Onsite
About The Position
We are hiring High Speed Transceiver Application Engineer to join our team in San Jose. You will work in a fast-paced, cross-functional environment focused on validating high-speed modules such as 400G, 800G, and 1.6T. The role involves electrical validation, automation development, interoperability testing, and system-level debug. You will collaborate closely with hardware, firmware, and manufacturing teams to ensure robust performance across a variety of operating conditions. We welcome candidates with diverse backgrounds and experience levels who are passionate about high-speed systems and eager to contribute to cutting-edge development.
Requirements
- Master’s or higher degree in Electrical Engineering, Communications Engineering, Physics, or related field
- Hands-on experience with high-speed transceivers such as QSFP-DD, OSFP, AEC, and related lab instruments (e.g., oscilloscope, BERT and VNA)
- Strong problem-solving skills and ability to work independently or in a team
- Good communication skills and ability to collaborate across hardware, firmware, and manufacturing teams
- Passion for high-speed signaling, system-level validation, and continuous learning
- Solid understanding of SerDes architecture, signal integrity, and high-speed link behavior
- Familiarity with DSP architecture and ability to write bring-up and tuning code
Responsibilities
- Characterization of TIA/EML/SiPho optical components. For example, TIA gain and bandwidth, ac response characterization; bias current and thermal settings tuning for lasers and modulators optimization.
- Validate stress receiver sensitivity test for module performance against OMA-min requirements and ensure compliance with link budget allocations for 400G/800G/1.6T optical links.
- Build automation scripts for test execution, data collection, and analysis using Python or other programming languages
- Conduct environmental and reliability stress testing, including thermal cycling, voltage margining, and soak tests
- Analyze test results, identify root causes, and drive resolution in collaboration with cross-functional teams
- Support optical module bring-up, firmware validation, and vendor qualification
- Contribute to DSP bring-up and tuning, including writing low-level code for signal processing and link optimization
Benefits
- discretionary bonus
- equity
- full range of medical and other benefits
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What This Job Offers
Job Type
Full-time
Career Level
Senior
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