Transmitter (Tx) SerDes Design Lead — 224G/448G

Ciena
Ottawa, Ontario
Workplace: RemoteFull timeCAD 138,000 - 220,400 annuallyFunction: Design (Product/UX/UI/Visual)Experience: 10+ yearsEducation: bachelorsSkills: ["Communication","Independent work","Teamwork","Mentorship","Root-cause analysis"]

Design and deliver high-speed electrical transmitter macros for 224G and 448G SerDes in deep-submicron CMOS. Own schematic-level design and post-layout verification of the transmitter signal chain, evaluate circuit topologies and tradeoffs, and run extraction-based simulations to validate performance across process, voltage, and temperature. Collaborate through full GDSII integration, lead root-cause analysis, and mentor junior design and layout engineers while partnering with lab validation teams.

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FursaFursa
Ciena
Ciena
1 month ago

Transmitter (Tx) SerDes Design Lead — 224G/448G

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Source: Company careers pageValidated by: Fursa AI
Last checked: 12 days agoStatus: Live

Job Summary

Design and deliver high-speed electrical transmitter macros for 224G and 448G SerDes in deep-submicron CMOS. Own schematic-level design and post-layout verification of the transmitter signal chain, evaluate circuit topologies and tradeoffs, and run extraction-based simulations to validate performance across process, voltage, and temperature. Collaborate through full GDSII integration, lead root-cause analysis, and mentor junior design and layout engineers while partnering with lab validation teams.
Location: Ottawa, Ontario
Workplace: Remote
Employment Type: Full time
Job Function: Design (Product/UX/UI/Visual)
Seniority: Mid level

Key Responsibilities

  • •Own schematic-level design and post-layout verification of the transmitter signal chain and its blocks (DAC-based output stage, serialization, clocking interface, output driver).
  • •Collaborate with management, system designers, and lab validation teams to evolve transmitter architecture and meet standard and product requirements.
  • •Evaluate circuit topologies and recommend implementations balancing power, area, bandwidth, and technology constraints.
  • •Drive extraction-based post-layout simulations and validate transmitter performance (bandwidth, linearity/RLM, return loss, jitter, and power) across process, voltage, and temperature conditions.
  • •Provide technical guidance and mentorship to more junior design and layout engineers and support test-chip/product bring-up and characterization.

Pay and Benefits

Salary: CAD 138,000 - 220,400 annually
Perks:Health InsuranceDentalVision401kDcppEquityEmployee AssistancePaid LeavePaid Holidays

Key Requirements

  • •Bachelor’s degree in Electrical Engineering or Computer Engineering, or applicable scientific discipline.
  • •10+ years designing high-speed analog, mixed-signal, or SerDes transmitter circuits in advanced CMOS, from schematic design through post-layout verification.
  • •Experience with transmitter building blocks including DAC-based output stages, serializers or multiplexers, output drivers, and clocking circuits.
  • •Execution of post-layout and extraction-based simulations to validate performance across process, voltage, and temperature conditions.
  • •Ability to use Cadence, Mentor, or Synopsys tools including Virtuoso, Calibre, STAR-RC, and MMSIM.
Experience:10+ yearsHigh-speed connectivityOptical transmissionSerDesAnalogMixed-signal
Education:Bachelor's in Electrical Engineering or Computer Engineering
Skills:CommunicationIndependent workTeamworkMentorshipRoot-cause analysis
Tech Stack:MATLABVerilog-AC++CadenceVirtuosoCalibreSynopsysSTAR-RCMMSIMHFSSEMXGDSIIDACPAM4PAM6OIF-CEIIEEE

Company Brief

Ciena
Provides networking systems, software, and services that enable service providers, cloud operators, and enterprises to deliver high-capacity connectivity and adaptive network solutions worldwide.
Industry: Networking Equipment
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: Hanover, United States
Founded: 1992
Glassdoor
Glassdoor: 3.8
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