Core Network Engineer / Network Solution Architect

NTT
Milan
Workplace: HybridFull timeFunction: Solutions Engineering & Sales EngineeringSkills: ["Ownership","Problem solving","Analytical thinking","Stakeholder management","Collaboration"]

Support the engineering and evolution of core mobile network solutions across Data Core and/or Voice Core (EPC and/or 5GC). Contribute to new features, services, and network changes aligned with customer and business requirements. Review and maintain technical documentation (HLD/LLD, message flows, procedures), assess feasibility and interoperability impacts, and lead troubleshooting/root-cause analysis for complex service issues. Collaborate with engineering, operations, testing, and vendors, acting as a technical reference across multi-domain projects.

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FursaFursa
NTT
NTT
1 day ago

Core Network Engineer / Network Solution Architect

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Source: Company careers pageValidated by: Fursa AI
Last checked: 16 hours agoStatus: Live
Reposted: similar role first listed 2 months ago

Job Summary

Support the engineering and evolution of core mobile network solutions across Data Core and/or Voice Core (EPC and/or 5GC). Contribute to new features, services, and network changes aligned with customer and business requirements. Review and maintain technical documentation (HLD/LLD, message flows, procedures), assess feasibility and interoperability impacts, and lead troubleshooting/root-cause analysis for complex service issues. Collaborate with engineering, operations, testing, and vendors, acting as a technical reference across multi-domain projects.
Location: Milan
Workplace: Hybrid
Employment Type: Full time
Job Function: Solutions Engineering & Sales Engineering
Seniority: Mid level

Key Responsibilities

  • •Support engineering and evolution activities for core network solutions in Data Core and Voice Core domains.
  • •Contribute to the introduction of new functionalities, services, and network changes according to customer and business requirements.
  • •Review and support technical documentation including HLD, LLD, guidelines, message flows, and implementation procedures.
  • •Evaluate technical feasibility, interoperability impacts, and implementation constraints for network changes or new services.
  • •Support troubleshooting and root cause analysis for complex issues affecting core services and network interoperability, collaborating with engineering, operations, testing, and vendors.

Key Requirements

  • •5–10 years of experience in Core Network Engineering in the telecommunications sector.
  • •Strong technical background in Data Core and/or Voice Core.
  • •Deep knowledge of Mobile Core Network architectures (EPC and/or 5GC) and related service flows.
  • •Experience delivering and integrating Core Network solutions.
  • •Knowledge of 3GPP standards and GSMA guidelines, plus solid IP networking and transport protocol understanding.
Experience:Telecommunications
Skills:OwnershipProblem solvingAnalytical thinkingStakeholder managementCollaboration
Tech Stack:3GPPGSMAEPC5GCIP networkingTransport protocols

Company Brief

NTT
Dimension Data, operating under NTT Ltd, provides managed IT services, cloud and data center solutions, networking, cybersecurity, and digital transformation services to enterprise customers worldwide.
Industry: Professional Services
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Established Company
Valuation: Public Company (Market Cap in USD)
Headquarters: London, United Kingdom
Founded: 1983
WebsiteLinkedIn