Subject Matter Expert - SDM

Nokia; Bengaluru; On-site; INR 3,000,000 - 6,000,000; Full time

Job summary

Nokia is seeking a seasoned Delivery Assurance expert in Bengaluru to own and drive Live Network Interventions (LNI). You will ensure quality artifacts, procedures, and scripts, and supervise execution for planned activities on customer networks.

You will review LNI plans, approve data sources, define KPIs, and contribute to lessons learned. The role emphasizes strong Mobile Core and telecom architecture skills in a global team.

Qualifications

• Bachelor's degree in computer science or related field and 10+ years of telecom/software architecture experience.
• Extensive experience in 4G/5GSA Mobile Core networks and related technologies.
• Experience with SDM elements HSS/HLR, AUSF/UDM, EIR, SDL.
• Strong knowledge of NW architectures and international standards (3GPP/ETSI).

Responsibilities

• Drive quality execution for Live Network Interventions and supervise LNI execution.
• Review and approve LNI plans, data sources, and scripts before deployment.
• Define KPIs to measure network impact and risks of LNI activities.
• Contribute to lessons learned and best practices after interventions.
• Lead or join troubleshooting during maintenance windows as needed.

Skills

10+ years experience

Mobile Core

Java/J2EE

Linux

Kubernetes

Cloud/Virtualization

Education

Bachelor’s degree in Computer Science

Tools

Aerospike

MariaDB

Oracle SQL

VMware

OpenStack

Kubernetes

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.

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 own and be accountable for all aspects of the LNI activity.
• 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.
• Execute (as needed) & supervise the services delivery teams during the maintenance window and manage incidents during the activity.
• If needed, join/ lead troubleshooting group for specific Live Network intervention
• 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 10+ 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.
• 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.
• Experience of Unix/Linux OS’s & Databases (Aerospike/MariaDB/Oracle/SQL)
• Advanced competence of NW Architectures/Products & International standards: 3GPP/ETSI.
• Experience on Cloud (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

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.

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 .