Systems/Algorithms Engineer - Clock and Data Recovery
Location: Palo Alto, CA
Department: Systems and Software
Cspeed IO is a stealth start up backed by Sutter Hills Ventures and Atreides Capital - headquartered in Palo Alto, CA. Our executive team has a demonstrated track record of building and scaling category-defining semiconductor and infrastructure businesses at companies like Broadcom, Lumentum, Tesla, Apple, Samsung, Intel, and VMware.
Cspeed IO is developing next-generation optical semiconductor solutions for the AI infrastructure market, focused on enabling true “scale-up” architectures. Our mission is to replace traditional copper interconnects with advanced fiber-optic technologies that overcome the limitations of existing optics solutions and architectures.
We are seeking a Systems/Algorithms Engineer with experience in serial communication links. This role is central to bridging system-level design with hardware implementation, working on Clock and Data Recovery (CDR) systems that enable reliable high-speed data transmission.
Key Responsibilities
- Architect Clock and Data Recovery (CDR) systems and similar communication links
- Collaborate closely with RTL and analog circuit designers to define specifications for building blocks
- Provide system-level tradeoff analysis (power, performance, area, latency) to guide design choices
- Model hardware non-idealities, simulate, and validate system performance
- Oversee implementation to ensure functionality and optimal performance
- Develop, improve, and maintain bit-true models
- Document and communicate architectural specifications to cross-functional teams
Required Qualifications
- Master's or PhD in Electrical Engineering, Computer Engineering, or related field
- Minimum 5 years of industry experience
- Strong background in digital communication systems, particularly clock and data recovery and synchronization
- Experience with bit-true modeling in MATLAB, Simulink, C++, Python, or equivalent environments
- Solid understanding of high-speed SerDes systems and related algorithms, such as Forward Error Correction (FEC)
Preferred Qualifications
- Experience with industry-standard protocols (PCIe, USB, Ethernet, or similar)
- Familiarity with equalization techniques (FFE, DFE, CTLE)
- Experience with statistical simulation methods (e.g., peak distortion analysis)
- Knowledge of jitter analysis and signal integrity concepts
- Track record of successful product tape-outs
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