Subject Matter Expert - SDM
Nokia · Posted Oct 7
Mobile and fixed network infrastructure, IP routing, cloud, and telecommunications technology services
Get a personal compatibility score
Add a resume for personal matches
About the role
Nokia's Delivery Assurance team drives quality execution for customers, with customer satisfaction as the primary measure of success. The team works across Mobile Core network solutions spanning 4G/5GSA, subscriber data management, cloud virtualization, and telecom standards such as 3GPP/ETSI. This role owns Live Network Intervention (LNI) activities end to end — reviewing and approving LNI plans, procedures, scripts and artifacts, defining KPIs, supervising delivery teams during maintenance windows, and contributing to LNI automation programs.
What you will do
- 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.
Skills used in this role
What the employer is looking for
- 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.
Preferred qualifications
- 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
Benefits and support
- Compensation and benefits are detailed in the job posting
About Nokia
Nokia Corporation is a multinational telecommunications, information technology, and network equipment provider that delivers critical infrastructure solutions across mobile, fixed, and cloud networks. Known for its historical roots and ongoing global presence in connectivity, the company enables advanced network automation, AI-optimized data center infrastructure, and 5G/6G technology for communications service providers and enterprises worldwide.
- Industry
- Telecommunications
- Company size
- 78005 employees
- Founded
- 1865-05-12
- Location
- Espoo, Finland
- Funding stage
- Public Company
Leadership
President and Chief Executive Officer (CEO)
Chief Financial Officer
Chief Technology and AI Officer
President of Network Infrastructure
Recent coverage
Seeking Alpha
Nokia CEO: Data centers could be built '2x faster' without supply bottlenecks2026-10-06
Nokia Newsroom
Nokia accelerates AI-RAN adoption as global operators embrace AI-native network evolution on NVIDIA platforms2026-09-01
Quartz
Nokia accelerates network automation through agentic, unified data foundation with Microsoft2026-09-01