Subject Matter Expert - CSP

Infinera Corporation; Bengaluru; On-site; INR 1,500,000 - 2,100,000; Full time

Job summary

Nokia is seeking a Services Assurance SME to drive quality execution for Live Network Interventions. You will ensure artifact accuracy, review plans and scripts, and define KPIs to quantify network impact across Mobile Core domains.

With 7+ years in telecom and strong CSD/Signaling and cloud capabilities, you will influence cross-domain solutions and contribute to automation efforts while monitoring project performance.

Qualifications

• Bachelor’s degree in computer science or a related field; 7+ years in architecting software, IT, or telecom solutions.
• Extensive telecommunications experience (4G/5GSA) with deep understanding of Mobile Core elements and trends.
• Understanding interfaces between Mobile Core elements including 3rd parties.
• Hands-on experience in CSD/Signaling domains like SCP, SEPP, BSF, SLF, DRA, DEA, DFW, SLF, IWF.
• Proficiency in TCP/IP and main protocols: Diameter, HTTP2, SIP, Sigtran, SOAP-XML, SNMP.
• Knowledge of Java/J2EE, Linux, DBMS, web tech, cloud/virtualization, Kubernetes, containers, SDN, data analytics.
• Experience with Unix/Linux OS and databases (Aerospike/MariaDB/Oracle/SQL).
• Advanced competence in NW architectures/products and 3GPP/ETSI standards.
• Cloud experience (VNF, CNF) and related products or VMware/OpenStack.

Responsibilities

• As a Services Assurance SME, approve services delivery artifacts for Live Network Intervention.
• Leverage Mobile Core expertise to assess cross-domain impacts and risks at a solution level.
• Review LNI plans including data sources, procedures, scripts, and artifacts before customer deployment.
• Define KPIs to measure network impact of LNI activities.
• Document reviews and contribute findings to lessons learned and best practices.
• Contribute to automation programs for LNI preparations and execution.
• Monitor delivery KPIs, execution plans, and overall project performance.

Skills

Mobile Core

CSD/Signaling

TCP/IP protocols

Java/J2EE

Linux

Databases

Kubernetes

Cloud/VMware

3GPP/ETSI

Scripting

Education

Bachelor's degree in CS

Tools

Aerospike

MariaDB

Oracle

SQL

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.

Responsibilities

• As a Services Assurance Subject Matter Expert, you will be responsible for analysing 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 to include 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 in CSD/Signaling domain: SCP, SEPP, BSF, SLF, DRA, DEA, DFW, SLF and IWF.
• 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.
• 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

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 roles requirements. We strive to ensure a smooth and inclusive experience for all candidates. Discover more about the recruitment process at Nokia.