Job Description

We are seeking a highly skilled and motivated SDM & IMS Expert to join our team. The ideal candidate will have a strong understanding of NOC Operations, with experience in managing, configuring, and optimizing Subscriber Data Management platforms, including SDM/IMS Node. The role involves operations, troubleshooting, integration, and supporting next-generation core network services for Enterprise Networks (Private Wireless LTE). This role requires a blend of expertise in Multi-Domain Network Elements.



Lead end-to-end implementation and maintenance of Nokia SDM & IMS products. Customer-facing role. Resolution & providing technical support for the incidents reported/requests for SDM nodes (Analysis, Troubleshooting & fixing the issues reported) on already deployed to the end customer/user. Manage and operate SDM & IMS nodes (HLR, HSS, UDR, UDM, AUSF, PCF, EIR, etc.). Perform configuration, provisioning, and parameter changes. Handle incidents, problem management, and root cause analysis. Support new feature integration, expansions, and upgrades. Ensure system performance, availability, and KPI compliance. Work with cross-functional teams for IMS, VoLTE, 5G Core, and cloud-native environments. Prepare and maintain technical documentation, reports, and SOPs. Manages technical escalations for technical requests, emergency cases, and outages internally and towards customers. Collaborate with stakeholders like GDC, Care, Field & Customer to resolve the issues. Participate in CAB/CR meetings. Preparing & Validating the MoPs and executing the CRs with 100% FTR. Analysis of Performance Degraded KPIs and their resolutions. Analyzing the RCAs, preparation of the final Incident Report, and Submission. Knowledge Transfer & Mentoring the team. Integration of Nodes. Software Update of the Nodes. Automate the daily Preventive & Repetitive Tasks.

You have:

Bachelor's degree in Computer Science, Information Security, or Electrical Engineering, with a minimum of 8 -10+ years of experience in SDM & IMS domain. Hands-on experience with OpenShift Container Platform, including installation, configuration, and container platform administration, and knowledge of SDM/IMS architecture and functions. Hands-on experience with Nokia SDM/IMS nodes. Good understanding of IMS, VoLTE, EPC/5GC. Proficiency in troubleshooting, parameter audits, and log analysis. Familiarity with virtualization/cloud platforms (VMware, OpenStack, Kubernetes is a plus). L3 Certified Expert on IMS & SDM products.

It would be nice if you also had:

3GPP/5G Core & Cloud certifications. VMware / OpenStack / Kubernetes certifications (for NFV/Cloud-native SDM deployments).ITIL Foundation (for process knowledge).

Come create the technology that helps the world act together

Nokia is committed to innovation and technology leadership across mobile, fixed and cloud networks. Your career here will have a positive impact on people's lives and will help us build the capabilities needed for a more productive, sustainable, and inclusive world.


We challenge ourselves to create an inclusive way of working where we are open to new ideas, empowered to take risks and fearless to bring our authentic selves to work

What we offer

Nokia offers continuous learning opportunities, well-being programs to support you mentally and physically, opportunities to join and get supported by employee resource groups, mentoring programs and highly diverse teams with an inclusive culture where people thrive and are empowered.

Nokia is committed to inclusion and is an equal opportunity employer

Nokia has received the following recognitions for its commitment to inclusion & equality:





One of the World's Most Ethical Companies by Ethisphere Gender-Equality Index by Bloomberg Workplace Pride Global Benchmark



At Nokia, we act inclusively and respect the uniqueness of people. Nokia's 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.





Join us and be part of a company where you will feel included and empowered to succeed.