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Subject Matter Expert - SDM

Nokia · Posted Oct 16

Mobile and fixed network infrastructure, IP routing, cloud, and telecommunications technology services

Bangalore, IndiaFull-timeOnsiteSenior Level7+ years₹35.0L–₹52.0L yearly<25 applicants
TelecommunicationsNetworkingCloud InfrastructureEnterprise SoftwareHardwarePublic Company
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About the role

Nokia's Live Network Intervention (LNI) function drives quality execution and customer satisfaction by assuring the artifacts, procedures and scripts used when executing planned activities on live customer networks. As a Services Assurance Architect, the role applies deep Mobile Core (4G/5G SA) and Subscriber Data Management expertise to review and approve LNI plans, KPIs and delivery artifacts. The position works across product domains to assess solution-level risks, contribute to lessons learned and best practices, and support automation of LNI preparations and executions.

What you will do

  • As a Services Assurance Architect, you will be responsible for analyzing and approving the services delivery artifacts that will be used to support Live Network Intervention.
  • You will accomplish this by leveraging your extensive Mobile Core expertise, best practices, and lessons learned. This role will require you to look across product domains and measure the impact and risks of LNI activities at a solution level.
  • Review and approve LNI plans including data sources like CiQ, implementation procedures, scripts and other LNI artifacts prior to implementation on the customer network.
  • Review and establish the Key Performance Indicators (KPI) that will be used to measure impacts to the network based on LNI work to be performed.
  • Capture details of the review and as needed contribute findings to lessons learned and best practices.
  • Contribute to Automation programs focused on LNI preparations and executions.
  • Ensure high-quality project delivery by monitoring delivery KPIs, execution plans, and overall project performance.

Skills used in this role

4G5G SAMobile CoreHSSHLRAUSF/UDMEIRSDLDiameterHTTP/2SIPSIGTRANSOAPXMLSNMPTCP/IPJavaJ2EELinuxKubernetesContainersSDNAerospikeMariaDBOracle

What the employer is looking for

  • Bachelor’s degree in computer science or a related field, with 7+ years of experience in architecting software, IT, or telecom solutions.
  • Proven experience in defining architecture and delivering those solutions to the market.
  • Extensive experience in telecommunications (4G/5GSA) with a deep understanding of Mobile Core network elements and technologies, their evolution, and the latest industry trends.
  • Understanding of the interfaces and interactions between Mobile Core solution elements including 3rd parties.
  • Hands-on experience with Subscriber Data Management functions: SDM elements HSS/HLR, AUSF_UDM, EIR, SDL
  • Competences on TCP/IP & main Protocols: Diameter (Gx-Rx-Sy)/ HTTP2/ SIP / Sigtran / SOAP-XML / SNMP.
  • Competences in Java/J2EE, Linux, DBMS, web technologies, cloud/virtualization, Kubernetes, containers, SDN, and data analytics.
  • Hands on experience of Unix/Linux OS’s & Databases (Aerospike/MariaDB/Oracle/SQL)
  • Advanced competence of NW Architectures/Products & International standards: 3GPP/ETSI.
  • Hands on Cloud experience (VNF, CNF) & related products (CBIS/CBAM – NCS/NCOM) or platform VMware/OpenStack.

Preferred qualifications

  • Ability to work independently, manage multiple projects simultaneously, and thrive in a fast-paced, dynamic work environment.
  • Ability to develop scripts / automation using AI tools as needed and high degree of proficiency in Kubernetes
  • Good Communication skills which shall enable appropriate articulation of Issues / risks and their mitigation

Benefits and support

  • Compensation and benefits are detailed in the job posting

About Nokia

Nokia Corporation is a multinational telecommunications, information technology, and network equipment provider that delivers critical infrastructure solutions across mobile, fixed, and cloud networks. Known for its historical roots and ongoing global presence in connectivity, the company enables advanced network automation, AI-optimized data center infrastructure, and 5G/6G technology for communications service providers and enterprises worldwide.

Industry
Telecommunications
Company size
78005 employees
Founded
1865-05-12
Location
Espoo, Finland
Funding stage
Public Company

Leadership

JH
Justin Hotard

President and Chief Executive Officer (CEO)

MW
Marco Wirén

Chief Financial Officer

PM
Pallavi Mahajan

Chief Technology and AI Officer

DH
David Heard

President of Network Infrastructure