Subject Matter Expert - SDM

Nokia; Bengaluru; On-site; INR 2,500,000 - 4,200,000; Full time

Job summary

Nokia is seeking an experienced Services Assurance Architect in Bengaluru to support Live Network Intervention efforts. You will analyze and approve LNI artifacts, review plans and procedures, and define KPIs to assess network impact.

You will drive automation initiatives and monitor delivery performance to ensure successful customer outcomes. Your deep Mobile Core knowledge and experience with 4G/5GSA, SDM elements, and cloud environments will guide cross-domain decisions and risk assessments

Qualifications

• Bachelor's degree in computer science or a related field with 7+ years of experience in architecting software, IT, or telecom solutions.
• Extensive experience in telecommunications (4G/5GSA) with deep understanding of Mobile Core network elements and technologies.
• Hands-on experience with SDM functions: HSS/HLR, AUSF_UDM, EIR, SDL and related interfaces.
• Strong knowledge of NW architectures/standards: 3GPP/ETSI.
• Proficiency in TCP/IP, Diameter, HTTP2, SIP, SOAP-XML, SNMP; and cloud/virtualization environments.

Responsibilities

• Analyze and approve services delivery artifacts for Live Network Intervention (LNI).
• Review LNI plans, data sources like CiQ, procedures, scripts, and other artifacts before customer deployment.
• Define KPIs to measure network impact from LNI activities and monitor delivery KPIs.
• Contribute to automation programs for LNI preparations and executions.
• Ensure high-quality project delivery by reviewing execution plans and performance metrics.

Skills

Mobile Core

KPI definition

Cloud/Virtualization

Kubernetes

HSS/HLR/SDM

4G/5GSA

Java/J2EE

Linux

NW Architectures

Data analytics

Automation scripting

Education

Bachelor's degree in CS or related field

Tools

Kubernetes

VMware/OpenStack

Aerospike

MariaDB

Oracle

SQL

Job description

Driving quality execution for our customers is critical for the long-term success of Nokia and customer satisfaction is the main measure of this objective. In this role, you will ensure the success of a Live Network Intervention by taking responsibility for the quality and accuracy of the LNI artifacts, procedures, scripts needed to execute the planned activities and supervise LNI execution.

HOW YOU WILL CONTRIBUTE AND WHAT YOU WILL LEARN

• 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.

Qualifications

You have

• 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.

Nice to have

• 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