Optical DSP Engineer — High-Speed Transceivers

Celero Communications, Inc.; Ottawa; Hybrid; CAD 209,000 - 349,000; Full time

Job summary

Celero Communications Inc. in Ottawa and Vancouver is seeking skilled DSP design engineers to help build optical transceivers for next-generation optical modems.

The ideal candidate must have a strong background in digital signal processing, digital communications, and fiber-optic communication systems, with experience developing DSP algorithms for high-speed communication systems. Candidates with industry experience are preferred.

Qualifications

• Master’s or Ph.D. in Electrical Engineering, Physics, or Mathematics.
• Minimum of two years of industry experience in related fields.
• Strong background in digital signal processing and digital communications.
• Experience with DSP algorithms for optical communication systems.
• Programming experience in C/C++, Python, MATLAB, or similar languages.
• Experience in modeling communication systems.
• Familiarity with forward error correction (FEC) schemes used in communication systems.
• 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.

Responsibilities

• Research, develop, and evaluate DSP algorithms for high-speed optical communication systems.
• Design and optimize DSP blocks used in optical transceivers, 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 under realistic channel conditions.
• Analyze performance under 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.
• Document design details and collaborate with ASIC, firmware, and verification teams to ensure reliable implementation in silicon.

Skills

DSP design

Digital communications

C/C++

Python

MATLAB

System modeling

Floating/fixed-point

Algorithm development

Education

Master’s or Ph.D. in Electrical Engineering, Physics, or Mathematics

Tools

GitHub

Verilog

VHDL

Job description

Celero Communications Inc. in Ottawa and Vancouver is seeking skilled DSP design engineers to help build optical transceivers for next-generation optical modems.

The ideal candidate must have a strong background in digital signal processing, digital communications, and fiber-optic communication systems, with experience developing DSP algorithms for high-speed communication systems. Candidates with industry experience are preferred.