Communications DSP Engineer

Aalyria

DSP Engineer developing next-generation modem technologies for free space optical communication systems. Collaborating with cross-functional teams to optimize algorithms and hardware implementations for robust communication.

Posted 4/25/2026full-timeMountain View • California • 🇺🇸 United StatesMid-LevelSenior💰 $175,000 - $215,000 per yearWebsite

Tech Stack

Tools & technologies

DACPython

About the role

Key responsibilities & impact

Design, develop, and optimize coherent DSP algorithms for high-speed communication systems
Architect end-to-end modem DSP chains including equalization, timing recovery, carrier recovery, and FEC integration.
Perform system-level modeling, simulation, and performance analysis, including link budgets and channel impairments.
Develop advanced algorithms such as Adaptive equalization, Timing and carrier synchronization loops, Impairment mitigation.
Evaluate and model optical and electrical channels, including optical components, ADC/DAC, AFE, and mixed-signal impairments.
Define DSP architecture specifications for ASIC/FPGA implementation, ensuring efficient mapping to hardware.
Collaborate with hardware and firmware teams to integrate DSP algorithms into modem designs.
Support lab bring-up, validation, and characterization of modem systems.
Analyze relevant industry standards (e.g., OIF, Ethernet, optical transport) and incorporate them into designs.

Requirements

What you’ll need

Active security clearance, or the eligibility to obtain one.
M.S. or Ph.D. in Electrical Engineering, Computer Engineering, or related field.
Strong foundation in: Digital signal processing, Communication theory, High-speed communication system design
Hands-on experience with coherent DSP or high-speed SerDes/optical systems.
Proficiency in MATLAB, Python, and/or C/C++ for modeling and algorithm development.
Experience with: Adaptive equalization and synchronization algorithms, FEC techniques (e.g., LDPC, Viterbi, soft decoding), System-level simulation and performance analysis.
Familiarity with ASIC/FPGA implementation flows and hardware constraints.
Ability to translate theoretical algorithms into practical, power- and area-efficient implementations.
Strong problem-solving skills and ability to work across multidisciplinary teams.
Hands-on lab experience with high-speed communication systems.
Experience with developing cycle accurate fixed point system models.

Benefits

Comp & perks

Competitive salary
Comprehensive benefits (401(k), dental, vision, health, life insurance)
Paid time off
Equity options
Flexible working arrangements including hybrid remote/in-office schedules

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

DSP algorithmshigh-speed communication systemsadaptive equalizationtiming recoverycarrier recoveryFEC integrationMATLABPythonC/C++system-level simulation

Soft Skills

problem-solvingcollaborationmultidisciplinary teamwork

Certifications

active security clearance