Subject Matter Expert - CSP

Nokia; Bengaluru; On-site; INR 2,800,000 - 6,000,000; Full time

Job summary

Nokia in Bengaluru is seeking an experienced Delivery Assurance Architect to drive quality for Live Network Interventions. You will own the artifacts, scripts, and procedures needed to execute planned activities and supervise LNI execution on customer networks.

The role demands deep Mobile Core knowledge, hands-on experience with 4G/5G technologies, and the ability to define architecture and KPI frameworks.

Qualifications

• 12+ years of experience in architecting software, IT, or telecom solutions.
• Proven track record in defining architecture and delivering market-ready solutions.
• Extensive telecommunications experience with Mobile Core network elements and trends.
• Understanding interfaces between Mobile Core elements including 3rd parties.
• Hands-on experience with Diameter, SS7, 4G/5G, PCRF/NPC design, deployments, testing.
• Knowledge of TCP/IP and protocols: Diameter (Gx/Rx/Sy), HTTP/2, SIP, SIGTRAN, SNMP.

Responsibilities

• Analyze and approve LNI delivery artifacts used to support Live Network Intervention.
• Leverage Mobile Core expertise to assess risk and impact across domains.
• Review LNI plans, data sources, procedures, and scripts before customer deployment.
• Define KPIs to measure network impact of LNI activities.
• Document review findings and contribute to lessons learned.
• Support automation programs for LNI preparations and executions.
• Monitor delivery KPIs, execution plans, and overall project performance.

Skills

Mobile Core

Diameter

Java/J2EE

Linux

Kubernetes

Cloud/Virtualization

Education

Bachelor's or Master's in Computer Science or related field

Tools

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 subject matter expert in the Delivery Assurance team, 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 or master's degree in computer science or a related field, with 12+ 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, 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 of standards in charging domain and interface protocol e.g Diameter, SS7, 4G/5G), PCRF/ NPC Design, deployments, testing and upgrades
• 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.
• Knowledge of Unix/Linux OS's & Databases (Aerospike/MariaDB/Oracle/SQL)
• Advanced competence of NW Architectures/Products & International standards: 3GPP/ETSI.
• Cloud knowledge (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.