Ciena

Mixed Signal Design Engineer

In short

Mixed Signal Design Engineer role at Ciena, working on the Wavelogic family of coherent fiber-optic transmission products, designing high-precision Sigma-Delta DAC/ADC circuits, SystemVerilog and IBIS-AMS models for SerDes IP up to 448Gbd. The team collaborates closely with system, digital, DSP, signal integrity, hardware, firmware, and analog lab bring-up groups. Requires an engineering/CS degree, CMOS/BiCMOS design experience, and proficiency with tools like Cadence Virtuoso, Synopsys VCS, and Siemens Questa/Calibre. Based in Ottawa, with a stated annual salary range of $93,100–$148,700 CAD.

About the Role
As the global leader in high-speed connectivity, Ciena builds the critical infrastructure powering the AI era. We're a technology company shaping the future of networking, guided by innovation, integrity, and collaboration.
The Wavelogic family of products is widely used in Ciena's optical fiber transmission solutions and is one of the main contributors to Ciena's success in the telecommunications industry. Successful candidates will be joining a vibrant team with a proven track record of success over 30 years of evolution and revolution in the advancement of high-speed circuits used in broadband fiber-optic modems. This team pioneered the introduction of the world's first high-speed DAC and ADC analog macros that ushered in the era of coherent fiber-optic product solutions. Reporting to the Senior Manager of Analog Engineering, your role will be:
How You Will Contribute
•Designing the high precision Sigma-Delta DAC and ADC for control and monitoring
•Designing the SystemVerilog models for various analog macros
•Designing the IBIS-AMS models for the high-speed DAC and ADC based SerDes IP running at 56Gbd, 112Gbd, 224Gbd, and 448Gbd
•Creating Design Specification Document
•Interacting with and providing support to the system team, analog team, the digital team, the DSP team, the signal integrity team, the hardware team, firmware team, and the analog lab bring-up team
The Must Haves
•Electrical or computer engineering, computer science or other applicable scientific degree at the BEng/BSc, MEng/MSc, or PhD level
•Design experience in the latest CMOS and BiCMOS technology
•Proficiency with Cadence Virtuoso/Xcelium/AMS, Synopsys VCS/StarRC, Siemens Questa/Formal/Calibre/SymphonyAMS/AFS
•Familiarity with SystemVerilog, VerilogAMS, VerilogA, Matlab/Simulink, C/C++, Python languages
•Ability to work independently and collaboratively with team members
•Skills of writing and presenting in English
Assets
•Knowledge of UVM, Git, Gradle, Google Tests
•Experience with the RF and Signal Integrity tools
•DSP, digital, and analog design and modelling in high SerDes application
•AI tools for automation
Compensation
The annual salary range for this position is $93,100 - $148,700 CAD. Pay ranges at Ciena are designed to accommodate variations in knowledge, skills, experience, market conditions, and locations, reflecting Ciena's diverse products, industries, and lines of business. The pay range information provided in this posting pertains specifically to the primary location, which is the top location listed in case multiple locations are available.
Non-Sales employees may be eligible for a discretionary incentive bonus, while Sales employees may be eligible for a sales commission. In addition to competitive compensation, Ciena offers a comprehensive benefits package, including medical, dental, and vision plans, participation in 401(K) (USA) & DCPP (Canada) with company matching, Employee Stock Purchase Program (ESPP), Employee Assistance Program (EAP), company-paid holidays, paid sick leave, and vacation time.

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