Subject Matter Expert – SDM

Nokia Corporation; Bengaluru; On-site; INR 2,000,000 - 3,200,000; Full time

Job summary

Nokia Corporation in Bengaluru seeks an experienced Services Assurance Architect to drive high‑quality Live Network Interventions. You will approve LNI artifacts, data sources, procedures, and scripts, ensuring accurate execution on customer networks.

You will define architecture, assess cross‑domain impacts, establish KPIs, and contribute to automation of LNI preparations and executions. Strong telecom core network knowledge and cloud/virtualization experience are essential.

Qualifications

• Bachelor’s degree in computer science or related field with 7+ years in software/telecom architecture.
• Extensive telecom core network expertise, esp. 4G/5GSA, and knowledge of Mobile Core elements.

Responsibilities

• Approve LNI delivery artifacts and data sources before deployment.
• Review LNI plans and ensure data sources and scripts are ready.
• Establish KPIs for LNI activity impact.
• Document reviews and contribute to lessons learned.
• Contribute to Automation programs for LNI prep and execution.
• Monitor delivery KPIs, plans, and project performance.

Skills

Java/J2EE

Linux

Cloud/virtualization

Network protocol knowledge

TCP/IP/Diameter/HTTP2

Education

Bachelor’s degree in computer science

Tools

Aerospike

MariaDB

Oracle

SQL

Kubernetes

VMware/OpenStack

Job description

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.

Key Skills And Experience

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.

Good 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

About Us

Advancing connectivity to secure a brighter world.

Nokia is a global leader in connectivity for the AI era. With expertise across fixed, mobile and transport networks, powered by the innovation of Nokia Bell Labs, we’re advancing connectivity to secure a brighter world.

Learn more about life at Nokia .

Our recruitment process

We act inclusively and respect the uniqueness of people. Our employment decisions are made regardless of race, color, national or ethnic origin, religion, gender, sexual orientation, gender identity or expression, age, marital status, disability, protected veteran status or other characteristics protected by law. We are committed to a culture of inclusion built upon our core value of respect.

If you’re interested in this role but don’t meet every listed requirement, we still encourage you to apply. Unique backgrounds, perspectives, and experiences enrich our teams, and you may be just the right candidate for this or another opportunity.

The length of the recruitment process may vary depending on the specific role's requirements. We strive to ensure a smooth and inclusive experience for all candidates. Discover more about the recruitment process at Nokia .