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Posted 3 hours ago

Optical Systems Architect

@ Nokia

Ottawa, Ontario

HybridFull-time8+ years experience
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SIGNALS

Overview

Nokia is hiring an Optical Systems Architect in its Optical Architecture group to lead the architecture of DWDM optical line systems from concept through release. The role covers multi-band C+L transmission performance, distributed link-level control loops, system design rules and optical performance models, and mentoring of architects and engineers. The posting states a full-time employment type and no schedule, location or pay details.

Responsibilities:

  • Define line system architecture from product requirements and document trade-offs
  • Optimize multi-band C+L transmission performance end to end
  • Direct design and validation of distributed link-level control loops
  • Set system design rules and optical performance models
  • Own system requirements, specifications and acceptance criteria

Requirements summary:

  • Expert knowledge of DWDM systems and fiber transmission effects
  • Hands-on experience with coherent transponders, EDFAs, Raman amplifiers and ROADMs
  • Experience designing closed- and open-loop control algorithms
  • Experience building OSNR and QoT performance models
  • Knowledge of advanced coherent modulation formats over long-haul systems
  • Familiarity with LLMs and AI agents in product development

Tools & skills

Benefits mentioned

Vision
Source and dates

Employer career site / ATS feed · oraclecloud

Employer posting date
2026-11-09
First seen by our source
2026-10-08
Source record updated
2026-11-09

These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.

Job details

SenioritySenior
DepartmentEngineering
Hours per week40 (estimated)
Travelair: minimal · ground: none
Work settingOffice
PositionMostly sitting
Physical demandsphysical low · computer high
LanguagesEnglish

Summary and details written by AI from the posting; the employer’s posting is the authority.

FieldValue
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Job description

As part of Nokia’s Optical Architecture group, you will have a unique opportunity to shape the design of novel DWDM optical line systems, from transmission performance to link-level control. Working with our Systems Architecture, Systems Engineering and Software Development teams, you will turn emerging optical technologies into competitive products.

In this role, you will lead the architecture of assigned line systems, and be accountable for their technical success from concept through release. Your key responsibilities will include:

  • Translating Product Line Management requirements into line system architecture, and documenting trade-offs among performance, cost, risk and schedule

  • Optimizing end-to-end, multi-band (C+L) transmission performance, accounting for effects such as signal power/OSNR evolution and fiber nonlinearities

  • Directing the design and validation of distributed, link-level control loops, such as power control, gain and tilt equalization and transient suppression

  • Setting the system design rules and optical performance models, such as target power profiles, OSNR and quality-of-transmission (QoT) estimation

  • Owning the system requirements, architecture specifications and acceptance criteria for these line systems, and leading design reviews with fellow architects and multi-site engineering teams

  • Influencing and aligning cross-functional teams, from systems engineering through test and field deployment, on plans and priorities

  • Representing Nokia’s Optical Architecture group in technical engagements with key customers, including demonstrations of new optical transmission technologies

  • Mentoring architects and engineers, and guiding their technical work

Knowledge / Skills / Abilities

  • Expert knowledge of DWDM systems and fiber transmission effects, and how to account for them in system design

  • Hands-on experience with optical networking equipment, including coherent transponders, EDFAs, Raman amplifiers and ROADMs

  • Experience designing and validating closed- and open-loop, link-level control algorithms

  • Experience building system design rules and optical performance models, including power budgets, OSNR estimation, QoT estimation and transmission penalties

  • Knowledge of advanced coherent modulation formats, with hands-on experience of their transmission over long-haul systems

  • Familiarity with AI tools, such as large language models (LLMs) and agents, and their use in product specification and development

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