N

Nokia

Makes network gear for carriers and data centers

Optical Systems Architect

Telecommunications EngineeringPosted on Nov 9
Full-timeIn-person

About the Job

Requirements

  • Expert knowledge of dense wavelength-division multiplexing (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, erbium-doped fiber amplifiers (EDFAs), Raman amplifiers, and reconfigurable optical add-drop multiplexers (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, optical signal-to-noise ratio (OSNR) estimation, quality-of-transmission (QoT) estimation, and transmission penalties.
  • Knowledge of advanced coherent modulation formats, with hands-on experience of their transmission over long-haul systems.
  • Familiarity with artificial intelligence tools, such as large language models (LLMs) and agents, and their use in product specification and development.

Responsibilities

  • Lead the architecture of assigned line systems and be accountable for their technical success from concept through release.
  • Translate Product Line Management requirements into line system architecture, and document trade-offs among performance, cost, risk, and schedule.
  • Optimize end-to-end, multi-band (C+L) transmission performance, accounting for effects such as signal power/OSNR evolution and fiber nonlinearities.
  • Direct the design and validation of distributed, link-level control loops, such as power control, gain and tilt equalization, and transient suppression.
  • Set system design rules and optical performance models, such as target power profiles and OSNR and quality-of-transmission (QoT) estimation.
  • Own system requirements, architecture specifications, and acceptance criteria for line systems, and lead design reviews with fellow architects and multi-site engineering teams.
  • Influence and align cross-functional teams, from systems engineering through test and field deployment, on plans and priorities.
  • Represent Nokia’s Optical Architecture group in technical engagements with key customers, including demonstrations of new optical transmission technologies.
  • Mentor architects and engineers, and guide their technical work.

About the Company

Nokia

Makes network gear for carriers and data centers

Nokia makes the equipment and software that mobile carriers, cloud companies, and businesses use to run networks, from cell-tower radios to fiber links between AI data centers. From 1998 to 2011 it was the world's largest mobile phone maker; it sold that business to Microsoft in 2014, and HMD Global, a separate company, makes Nokia-branded phones under license. Its network unit sells optical systems that send data over fiber, internet routers, and broadband gear, and its mobile unit sells radios and the core software that runs 5G networks. Nokia earns money from equipment and service contracts and from licensing its patents to phone makers and carmakers. It was founded in 1865 as a wood pulp mill and is based in Espoo, Finland.

Company size
10,001+
Company stage
IPO
Headquarters
Espoo, Finland
Founded
1865

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