Principal DSP Engineer - Coherent Optical Hardware (Hybrid)

Arycs Technologies; Los Gatos (CA); Hybrid; USD 180,000 - 240,000; Full time

Job summary

Arycs Technologies in Los Gatos, CA, is seeking a Principal Hardware Engineer, Signal Processing, to lead DSP algorithm design and hardware architecture for our next generation coherent and optical DSP products.

You will define DSP requirements, optimize performance, and collaborate with FPGA/ASIC, firmware, optical systems, and software teams to deliver high‑performance, production‑ready DSP solutions. Optical domain experience is beneficial but not required.

Qualifications

• 10+ years of experience in DSP development or hardware signal processing.
• Expertise in coherent DSP, optical DSP, or high‑performance communications.
• Strong modulation/demodulation techniques including equalization, FEC, timing recovery, and phase recovery.
• Experience with MATLAB, Python, C/C++, or similar.
• Experience validating DSP in hardware or FPGA/ASIC implementations.
• Strong understanding of high‑speed communication systems; optical experience is a plus.
• Proven ability to lead complex system debug efforts and drive cross‑functional collaboration.
• Excellent communication skills.

Responsibilities

• Architect, model, and simulate DSP algorithms for coherent and optical DSP systems.
• Define DSP hardware requirements and collaborate with ASIC/FPGA teams on implementation.
• Optimize DSP performance across noise, nonlinearity, phase impairments, and channel conditions.
• Develop end‑to‑end signal chains and system models (MATLAB, Python, C/C++).
• Validate DSP functional performance in lab hardware and system prototypes. System‑Level Analysis & Validation.
• Lead system bring‑up, characterization, and debug for DSP‑enabled hardware modules.
• Develop automated test frameworks and analysis tools using Python for DSP verification.
• Collaborate with firmware teams to ensure correct hardware/DSP interaction.
• Provide technical oversight across DSP design, hardware architecture, and system integration.

Skills

DSP development

Hardware signal processing

Coherent DSP

MIMO processing

Adaptive filtering

Mentoring

Cross-functional collaboration

Communication skills

Tools

MATLAB

Python

C/C++

FPGA/ASIC

High‑speed SerDes

Job description

Arycs Technologies in Los Gatos, CA, is seeking a Principal Hardware Engineer, Signal Processing, to lead DSP algorithm design and hardware architecture for our next generation coherent and optical DSP products.

You will define DSP requirements, optimize performance, and collaborate with FPGA/ASIC, firmware, optical systems, and software teams to deliver high‑performance, production‑ready DSP solutions. Optical domain experience is beneficial but not required.