Retym, Inc

Optical DSP Chief Architect

Retym, Inc  •  Austin, TX (Onsite)  •  7 days ago
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Job Description

We are seeking 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.

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

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.
Retym, Inc

About Retym, Inc

AI is transforming industries at an unprecedented scale - but today’s data center infrastructure wasn’t built to keep up. As AI workloads grow more complex and data volumes double every two years, connectivity - not compute - has become the bottleneck.

Retym is solving this challenge by delivering next-generation Coherent DSP solutions that provide high-performance, low-latency connectivity for AI infrastructure and data center interconnects.

We are a semiconductor company driven by innovation, bringing together a world-class team of chip designers, optical networking experts, and leading investors to rethink how data moves in the AI era. Our purpose-built DSP technology delivers:

Scalable, high-bandwidth interconnects for AI-driven data centers

Power-efficient, high-performance networking that removes bottlenecks

A coherent DSP provider that gives module makers more control and builds toward a more open, vibrant ecosystem

With hyperscalers deploying AI across multiple locations and AI infrastructure requirements rapidly evolving, Retym is building the connectivity backbone for the future of AI.

The future of AI isn’t just about compute - it’s about how we move data.

Together, we are building a novel semiconductor technology that will transform the datacenter and telecommunications industries.

Industry
Hardware & Semiconductors
Company Size
51-200 employees
Headquarters
Cupertino, CA
Year Founded
2021
Website
retym.com
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