Principal Hardware Engineer, DSP

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

About Arycs Technologies

At Arycs Technology, we believe AI infrastructure must scale within realistic power and integration limits. Our systems are engineered for deployment in real networks — not theoretical environments. We prioritize architectural efficiency over hardware multiplication, enabling capacity growth through technology innovation rather than system complexity. Performance and energy efficiency are not trade-offs; they are co-designed outcomes.

Headquartered in Los Gatos, California, with operations in Cleveland, Ohio and Maynard, Massachusetts, Arycs Technologies operates at the intersection of silicon photonics, coherent DSP, and scalable semiconductor manufacturing.

Our geographic presence supports both technology innovation and commercial execution, positioning Arycs Technologies as a key contributor to the advancement and broader adoption of coherent optical technologies.

About the Role

As a Principal Hardware Engineer, Signal Processing, you will lead the design, analysis, and validation of advanced digital signal processing (DSP) algorithms and hardware architectures used in our next generation coherent and optical DSP‑enabled products. You will be responsible for developing DSP algorithmic models, optimizing signal chains, validating performance in hardware, and ensuring robust system behavior across diverse operating conditions.

This position plays a critical role in defining DSP requirements, guiding hardware implementation, and driving cross-functional design decisions that directly impact product performance and reliability. You will collaborate effectively with hardware, FPGA/ASIC, firmware, optical systems, and software engineering teams to deliver high‑performance, production‑ready DSP solutions.

Note: Optical domain experience is not required for this role, but exposure to optical communications or coherent optics is beneficial.

Responsibilities: DSP Development & Hardware Integration

• 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 (e.g., 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.
• Perform performance validation, stability testing, and corner‑case analysis.
• Develop automated test frameworks and analysis tools using Python for DSP verification.
• Collaborate with firmware teams to ensure correct hardware/DSP interaction.

Product Development & Technical Leadership

• Contribute to product definitions, architecture reviews, and system requirement documents.
• Provide technical oversight across DSP design, hardware architecture, and system integration.
• Mentor junior engineers and provide direction when group coordination is required.
• Present findings, technical recommendations, and design tradeoffs to internal stakeholders.

Required Skills & Experience

• 10+ years of experience in DSP development, hardware signal processing, or related fields.
• Expertise in coherent DSP, optical DSP, or high-performance communication with DSP algorithms.
• Strong background in:
• Modulation/demodulation techniques o Equalization, FEC, timing recovery, phase recovery
• Adaptive filtering and MIMO processing
• Experience developing DSP simulations in MATLAB, Python, C/C++, or similar.
• Experience validating DSP behavior 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 and the ability to clearly explain technical concepts.

Nice to Have

• Knowledge of coherent optics, fiber impairments, or optical communication systems.
• Experience with pluggable modules, OIF/MSA standards, or high‑speed SerDes.
• Familiarity with hardware lab equipment (oscilloscopes, analyzers, BERT, etc.).

this role is a hybrid role frequency of office time depends on team and needs