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Nokia

Principal System Architect – OLS

Nokia

. Shape product features and requirements with Product Line Management and recommend solutions based on feasibility, cost and risk .

Posted 10/8/2026full-timeBangalore • IndiaLeadWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in fiber transmission effects and optical networking equipment, with a strong focus on system architecture, requirements specification, and performance validation. Proven ability to lead cross-functional teams and mentor engineers while effectively communicating technical concepts to stakeholders.

Highest-signal resume keywords
Fiber Transmission EffectsOptical Networking EquipmentSystem Architecture SpecificationsControl Algorithms DesignYANG Data Models

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
Optical Performance MonitoringClosed-Loop Control AlgorithmsOpen-Loop Control AlgorithmsFault ManagementPerformance ManagementConfiguration ManagementService ProvisioningSDN/GMPLS Control PlaneOSNR EstimationPower Control
Soft Skills
Excellent CommunicationPresentation SkillsIndependent Judgment
Tools & Technologies
Coherent TranspondersEDFAsRaman AmplifiersROADM/WSSOpenROADMOpenConfigONF TAPISONiC Optical Transport Network
Certifications & Qualifications
Ph.D. in Electrical EngineeringM.Sc. in Electrical Engineering
Industry Keywords
Optical Line System DesignMulti-Layer Networking ProductsLink-Level Control LoopsTarget Power ProfilesOptical Performance Models

About the role

Key responsibilities & impact
  • Shape product features and requirements with Product Line Management and recommend solutions based on feasibility, cost and risk
  • Own system requirements, architecture specifications and acceptance criteria, guiding development teams through implementation and validation
  • Drive system architecture with fellow architects and development leads, including interfaces and data models
  • Architect and validate distributed, link-level control loops, including power control, gain and tilt equalization, and transient suppression
  • Define system design rules and optical performance models, including target power profiles and OSNR estimation
  • Partner with product documentation to describe features and operational concepts for customers
  • Lead cross-functional feature teams to build consensus on architecture and technical concepts
  • Represent feature areas in technical engagements and demonstrations with key customers
  • Mentor engineers and architects

Requirements

What you’ll need
  • Deep understanding of fiber transmission effects, including power and OSNR evolution and fiber nonlinearities, and their impact on optical line system design
  • Hands-on experience with optical networking equipment, including coherent transponders, EDFAs, Raman amplifiers and ROADM/WSS
  • Knowledge of OTN, Ethernet and SDN/GMPLS control plane
  • Experience designing and validating closed- and open-loop, link-level control algorithms and optical performance monitoring
  • Track record of writing and leading requirements and architecture specifications for robust, reliable end-to-end systems
  • Extensive experience defining fault, performance and configuration management, service provisioning and control plane requirements for multi-layer networking products, especially at L0 and L1
  • Working knowledge of YANG, ONF TAPI, OpenROADM and OpenConfig data models
  • Familiarity with the SONiC Optical Transport Network Working Group and OTAI
  • Sound, independent judgment on ambiguous and novel technical problems
  • Excellent communication and presentation skills
  • Ph.D. in Electrical Engineering, Computer Science, Telecommunications, Optics, Physics or a related field plus minimum 5 years of relevant work experience
  • M.Sc. in the same fields plus minimum 8 years of relevant work experience

Benefits

Comp & perks
  • Nokia is committed to a culture of inclusion built upon respect
  • Recruitment process designed to provide a smooth and inclusive experience
  • Mentoring opportunities for engineers and architects on the team