Optical DSP Design Engineer

Originally posted 16 March 2026 by the employer.

About the role

This role involves the design of digital signal processing (DSP) algorithms for high-speed optical communication systems. You will contribute to the development of optical transceivers for optical modems.

What you'll do

• Research, develop, and evaluate digital signal processing (DSP) algorithms for high-speed optical communication systems.
• Design and optimize DSP blocks, including adaptive equalization, timing recovery, carrier phase recovery, polarization demultiplexing, and nonlinear compensation.
• Develop system-level simulation models of optical communication links and evaluate DSP algorithm performance.
• Analyze performance under various impairments such as noise, chromatic dispersion, polarization effects, and hardware non-idealities.
• Verify and optimize algorithm performance through floating-point and fixed-point simulations.
• Develop bit-accurate and cycle-accurate models to support ASIC implementation.

What you'll need

• Strong theoretical background in digital signal processing, digital communications, and fiber-optic communication systems.
• Experience developing DSP algorithms for high-speed communication systems.

Nice to have

• Master’s or Ph.D. degree in Electrical Engineering, Physics, or Mathematics.
• Minimum of two years of industry experience in related fields.
• Programming experience in C/C++, Python, MATLAB, or similar languages.
• Experience in modeling communication systems.
• Familiarity with forward error correction (FEC) schemes.
• Experience modeling optical components and electrical frontends of optical transceivers.
• Experience with version control systems, specifically GitHub.
• Familiarity with Verilog or VHDL is a plus.

Skills: DSP algorithms, high-speed optical communication systems, adaptive equalization, timing recovery, carrier phase recovery, polarization demultiplexing, nonlinear compensation, floating-point simulations, fixed-point simulations, bit-accurate

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