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Expert Engineer Npo

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Chennai Tamil Nadu, India NOKIA Full time

Job Category Customer Services Degree Level Bachelor s degree We are seeking a highly skilled 5G Core Expert to join our dynamic team driving the design optimization and support of cutting-edge Nokia 5G core networks This role focuses on delivering exceptional network performance resolving complex technical challenges and collaborating with cross-functional teams to enhance Nokia s 5G solutions The ideal candidate will bring deep expertise in 5G Core architecture protocols and KPI optimization with a customer-facing mindset and hands-on experience in network troubleshooting and capacity planning Responsibilities Optimize 5G Core KPIs identify bottlenecks and perform E2E trace analysis using tools e g Wireshark RADCOM NETSCOUT Polystar Traffica Ribbon etc Conduct System and POD-level Health Checks Deep understanding of 5GC architecture interfaces and call flows Registration Authentication Session Mobility Management Policy Charging Control Roaming Interworking High Availability and Redundancy Analysis of 5G Core protocols NAS NGAP SCTP GTP HTTP 2 PFCP Diameter Paging Knowledge of HLD LLD design MOP Validations and necessary modifications Conduct trace analysis using Wireshark PCAPs and analyze cause codes Perform E2E tracing and call flow analysis collect logs PCMD and analyze cause codes reason headers KPI trends and come up with actionable insights Interface with customers to resolve network issues and complaints Assist in migration planning for live packet core networks Define and optimize 5 G Core 5GC parameters timers and policies Provide network design planning and verification support Perform network capacity planning and dimensioning Support new feature testing and performance evaluations Prepare and maintain technical documentation network diagrams configurations procedures Qualifications You have Graduate or Postgraduate in the Engineering stream Minimum 12 years of domain experience Extensive knowledge of Nokia 5G Core networks including AMF SMF UPF NSSF Experience in the latest Nokia Products - NCP SDL Blueprint and Custom Apps Expertise in 3GPP Signalling procedures call flows Experience in Nokia 5GC- network performance monitoring KPI analysis and optimization Proficiency in network troubleshooting tracing and log analysis Experience with cloud computing platforms and virtualization technologies - VNFs CNFs Perform health checks at the System and POD levels Experience on probes and monitoring tools for tracing KPI improvement - Voice Data Experience in incident impact analysis and network optimization It would be nice if you also had Ability to work in shifts to support global customer projects Good collaboration communication and presentation skills Proficient in English MS Office Power BI Skilled in any of Kubernetes Docker AWS services Scripting and or Python programming About Us 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 About the Team In our ambition is to become the trusted partner of choice for Communications Service Providers CSPs as well as for non-CSP entities in sectors like utilities transportation public services and defense We strive to deliver unbeatable customer experiences in wireless connectivity