DSP - Optical Design Engineer

Celero Communications, Inc.; Ottawa; On-site; CAD 90,000 - 130,000; Full time

Job summary

Celero Communications Inc. in Ottawa or Vancouver is seeking a DSP - Optical Design Engineer to join our semiconductor team and help build high‑speed optical transceivers for next‑generation modem systems.

You will apply DSP theory to digital communications and fiber‑optic links, develop algorithms, and collaborate with ASIC, firmware, and verification teams to deliver silicon‑ready designs.

Qualifications

• Advanced degree in EE/Physics/Math required or equivalent.
• 2+ years industry experience in DSP/digital communications.
• Strong DSP and optical communication system knowledge.
• Programming in C/C++, Python, MATLAB.

Responsibilities

• Research and develop DSP algorithms for high-speed optical links.
• Design DSP blocks: adaptive equalization, timing recovery, carrier phase recovery.
• Develop system-level simulations under realistic channels.
• Analyze performance under impairments like noise and dispersion.
• Verify algorithms with floating-point and fixed-point simulations.
• Create bit-accurate and cycle-accurate models for ASIC.
• Collaborate with ASIC, firmware, and verification teams.

Skills

DSP algorithms

Digital communications

Python

MATLAB

C/C++

Git / version control

Education

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

Tools

Verilog/VHDL

GitHub

ASIC/FPGA flow tools

Job description

DSP - Optical Design Engineer

Locations: Ottawa, Ontario, Canada or Vancouver, British Columbia, Canada

About the Role

Celero Communications Inc. is an exciting and fast-growing start-up in the semiconductor industry, pushing boundaries with innovative technologies that power the world’s most advanced AI and data center infrastructure. We are looking for skilled and motivated DSP design engineers to join our team and help us build optical transceivers for next-generation optical modems. The ideal candidate must have a strong theoretical 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.

Key Responsibilities

• Research, develop, and evaluate digital signal processing (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 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.
• Document design details and collaborate with ASIC, firmware, and verification teams to ensure reliable implementation in silicon.

Preferred Qualifications

• Master’s or Ph.D. degree 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.
• Team player with a mindset focused on the successful delivery of the first product.

Javier Leon
Talent Acquisition
619-227-3193 cell/text
[e-mail]
www.celero.inc