Engineering Services Practitioner

Project Role : Engineering Services Practitioner
Project Role Description : Assist with end-to-end engineering services to develop technical engineering solutions to solve problems and achieve business objectives. Solve engineering problems and achieve business objectives using scientific, socio-economic, technical knowledge and practical experience. Work across structural and stress design, qualification, configuration and technical management.
Must have skills : 5G Wireless Networks & Technologies
Good to have skills : NA
Minimum 3 year(s) of experience is required
Educational Qualification : 15 years full time education

Job Title: 5G Core Network Ops Senior Engineer Summary: We are seeking a skilled 5G Core Senior Network Engineer to join our team. The ideal candidate will have extensive experience with Nokia 5G Core platforms and will be responsible for fault handling, troubleshooting, session and service investigation, configuration review, performance monitoring, security support, change management, and escalation coordination. Roles and Responsibilities: 1. Fault Handling & Troubleshooting: • Provide Level 1 (T1) support for 5G Core SA network functions in production environment. • Analyze alarms from NetAct/Mantaray, or external monitoring tools. • Correlate events using Netscout, Mantaray, and PM/CM data. • Troubleshoot and resolve complex issues related to registration, session management, mobility, policy, charging, DNS, IPSec and Handover issues. • Handle node-level failures (AMF/SMF/UPF/NRF/UDM/UDR/SDL/PCF/CHF/Flowone, Nokia EDR restarts, crashes, overload). • Handle troubleshooting on 5G Core Database, UDM, UDR, SDL, Provisioning, Flowone, CHF(Charging), PCF(Policy). • Perform packet tracing (Wireshark) or core trace (PCAP, logs) and Nokia PCMD trace capturing and analysis. • Perform root cause analysis (RCA) and implement corrective actions. • Handle escalations and provide timely resolution. 2. Session & Service Investigation: • Trace subscriber issues (5G attach, PDU session, QoS). • Use tools like EDR, Flow Tracer, Nokia Cloud Operations Manager (COM). • Correlate user-plane drops, abnormal release, bearer QoS mismatch. • Work on Preventive measures with L1 team for health check & backup. 3. Configuration and Change Management: • Create a MOP for required changes, validate MOP with Ops teams, stakeholders before rollout/implementation. • Maintain detailed documentation of network configurations, incident reports, and operational procedures. • Support software upgrades, patch management, and configuration changes. • Maintain documentation for known issues, troubleshooting guides, and standard operating procedures (SOPs). • Audit NRF/PCF/UDM etc configuration & Database. • Validate policy rules, slicing parameters, and DNN/APN settings. • Support integration of new 5G Core nodes and features into the live network. 4. Performance Monitoring: • Use KPI dashboards (NetAct/NetScout) to monitor 5G Core KPIs e.g registration success rate, PDU session setup success, latency, throughput, user-plane utilization. • Proactively detect degrading KPIs trends. 5. Security & Access Support: • Application support for Nokia EDR and CrowdStrike. • Assist with certificate renewal, firewall/NAT issues, and access failures. 6. Escalation & Coordination: • Escalate unresolved issues to L3 teams, TAC, OSS/Core engineering. • Work with L3 and care team for issue resolution. • Ensure compliance with SLAs and contribute to continuous service improvement. 7. Reporting • Generate daily/weekly/monthly reports on network performance, incident trends, and SLA compliance. Technical Experience and Professional Attributes: • 5–9 years of experience in Telecom industry with hands on experience in 5G Core. • Mandatory experience with Nokia 5G Core-SA platform. • Solid understanding for 5G Core Packet Core Network Protocol such as N1, N2, N3, N6, N7, N8, 5G Core interfaces, GTP-C/U, HTTPS and including ability to trace, debug the issues. • Hands-on experience with 5GC components: AMF, SMF, UPF, NRF, AUSF, NSSF, UDM, PCF, CHF, UDR, SDL, Nokia EDR, Provisioning and Flowone. • Troubleshooting and configuration hands on experience on 5G Core Database, UDM, UDR, SDL, Provisioning, Flowone, CHF(Charging), PCF(Policy). • In-depth understanding of 3GPP call flows for 5G-SA, 5G NSA, Call routing, number analysis, system configuration, call flow, Data roaming, configuration and knowledge of Telecom standards e.g. 3GPP, ITU-T and ANSI. • Familiarity with policy control mechanisms, QoS enforcement, and charging models (event-based, session-based). • Hands-on experience with Diameter, HTTP/2, REST APIs, and SBI interfaces. • Strong analytical and troubleshooting skills. • Proficiency in monitoring and tracing tools (NetAct, NetScout, PCMD tracing). And log management systems (e.g., Prometheus, Grafana). • Knowledge of network protocols and security (TLS, IPsec). • Excellent communication and documentation skills. Educational Qualification: • BE / BTech • 15 Years Full Time Education Additional Information: • Nokia certifications (e.g., NCOM, NCS, NSP, Kubernetes). • Experience in Nokia Platform 5G Core, NCOM, NCS, Nokia Private cloud and Public Cloud (AWS preferred), cloud-native environments (Kubernetes, Docker, CI/CD pipelines). • Cloud Certifications (AWS)/ Experience on AWS Cloud15 years full time education

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