Optical DSP Chief Architect

4 days ago

Austin, Texas, United States Inventra Full time $250,000 - $400,000 per year

Our client is a Series-D semiconductor innovator, specializing in programmable coherent DSP (digital signal processing) solutions for cloud and AI infrastructure, a foundational technology that enables faster and more efficient transmission within and between AI data centers. The firm is empowering the future of AI infrastructure and cloud connectivity with DSP innovations. The firm recently came out of stealth with $180MM funding and is backed by storied venture investors including Kleiner Perkins, Spark Capital, Mayfield and Fidelity Investments

About the position

We are looking for an experienced Optical DSP Chief Architect to lead the system architect of cutting-edge Digital Signal Processing (DSP) solutions for high-speed optical communication systems. The ideal candidate will play a critical role in defining system architecture, optimizing performance, and collaborating with cross-functional teams to develop next-generation optical transceivers and communication chips.

Job requirements

Qualifications & Experience:

  • Education: Master's or Ph.D. in Electrical Engineering, Computer Engineering, or a related field.
  • Experience: Minimum of 10-15 years of experience in DSP algorithm development, system architecture, and ASIC design for optical communication systems.

Technical Expertise:

  • Strong background in digital signal processing, communication theory, and error correction codes.
  • Hands-on experience with MATLAB, Python, or C/C++ for algorithm development and simulations.
  • Knowledge of ASIC design.
  • Familiarity with optical communication standards such as OIF and others.
  • Experience with high-speed SerDes, ADC/DAC interfaces, and mixed-signal design considerations.
  • Understanding of optical modulation techniques and coherent optical transmission.

Preferred Skills:

  • Strong leadership and communication skills, with the ability to motivate and inspire a diverse team.
  • Knowledge of photonic integrated circuits and co-design with DSP.
  • Experience with real-time embedded DSP implementations.
  • Proven track record of delivering high-performance DSP architectures in commercial optical products.

Key Responsibilities:

  • Define the system architecture for optical DSP chips used in high-speed optical communication networks (800G/1.6T and beyond).
  • Improve the algorithms for equalization, error correction, clock and data recovery, and other signal processing functions.
  • Work closely with hardware, firmware, and Chip architect to optimize DSP implementation for performance, power, and area.
  • Conduct system-level modelling and simulations to validate DSP algorithms and architectures.
  • Collaborate with photonics and RF teams to ensure seamless integration of DSP with optical front-end components.
  • Define key performance metrics and validation methodologies for DSP architectures.
  • Work with customers and industry partners to align DSP architectures with market needs and emerging technologies.
  • Continuously monitor and adopt advancements in optical communications, DSP methodologies, and semiconductor technologies

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