DSP Algorithms Engineer (System Level Testing) jobs in United States
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Retym, Inc · 2 months ago

DSP Algorithms Engineer (System Level Testing)

positionAustin, TX
timeFull-time
remoteOnsite
senioritySenior Level, Lead/Staff
date10+ years exp

Retym, Inc is seeking a highly skilled Algorithm Engineer to develop, execute, and automate system-level tests for advanced coherent optical DSP. The role involves working at the intersection of signal processing and optical communications to ensure the performance and robustness of cutting-edge coherent DSP.

ManufacturingSemiconductorTelecommunications
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H1B Sponsor Likelynote

Responsibilities

Design, implement, and maintain system-level test frameworks to validate and stress coherent DSP algorithms across the full signal chain
Develop automated end-to-end test environments including channel models, impairments, hardware-in-the-loop elements, and performance analytics
Create novel stress tests, corner-case scenarios, and fault-injection methodologies to uncover algorithmic weaknesses
Work closely with algorithm developers to define test requirements, acceptance criteria, and performance metrics
Analyze test results, identify root causes of performance degradation, and drive corrective actions
Generate detailed documentation covering test design, simulation assumptions, and system-level performance trends

Qualification

DSP designModellingMATLAB DSP prototypingC/C++ programmingDigital communication systemsCoherent optical communicationsProblem-solving skillsTeamwork skills

Required

MSc in Electrical Engineering, Computer Engineering, or related field
Experience with MATLAB DSP prototyping and translation C/Phyton
10+ years of experience in DSP design and modelling, preferably for communications or optical systems
Strong proficiency in MATLAB / C++, with hands-on experience building modular simulation frameworks
Solid understanding of digital communication systems (modulation, coding, equalization, carrier and timing recovery)
Knowledge of coherent optical communications
Excellent problem-solving and teamwork skills

Preferred

Familiarity with fixed-point modelling and ASIC/DSP design flow
Exposure to FEC codes (LDPC, RS, OFEC) and their integration into DSP systems
Understanding of jitter, PLL/CDR modelling, and mixed-signal impairments in simulations

Company

Retym, Inc

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AI is transforming industries at an unprecedented scale - but today’s data center infrastructure wasn’t built to keep up.
dateFounded in 2020
location
Cupertino, California, USA
people-size51-200 employees
web-link
https://www.retym.com/

H1B Sponsorship

Retym, Inc has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)

Funding

Current Stage
Late Stage
Total Funding
$115.4M
Key Investors
Spark Capital
2025-03-31Series D· $75M
2023-05-24Series Unknown· $40.4M

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