Manage end-to-end lifecycle of IMS network nodes including upgrades, migrations, expansions, and decommissions in live multi-vendor telecom networks. Plan and execute LCM activities with NIRs/MOPs, perform pre/post testing (SIT/IOT/UAT), optimize SIP routing and IMS performance, analyze logs/traces (SIP/DIAMETER), automate tasks with scripting, and produce runbooks and documentation while coordinating cross-functional teams.
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About this opportunity:
Join Ericsson as a Solution Integrator managing end-to-end life cycle of IMS network nodes. This pivotal role involves executing software upgrades, migrations, expansions, and decommissioning activities within telecom networks while ensuring service continuity across multi-vendor environments. You will maintain high service quality, adhere to 3GPP standards, and support Ericsson's delivery frameworks. This position requires managing live network activities with minimal service impact, coordinating cross-functional teams, and maintaining compliance with global E+OHS, data security, and privacy standards.
What you will do:
The skills you bring:
About this opportunity:
Join Ericsson as a Solution Integrator managing end-to-end life cycle of IMS network nodes. This pivotal role involves executing software upgrades, migrations, expansions, and decommissioning activities within telecom networks while ensuring service continuity across multi-vendor environments. You will maintain high service quality, adhere to 3GPP standards, and support Ericsson's delivery frameworks. This position requires managing live network activities with minimal service impact, coordinating cross-functional teams, and maintaining compliance with global E+OHS, data security, and privacy standards.
What you will do:
- Plan and execute software upgrades, patches, and hardware replacements for IMS nodes (CSCF, SBC, TAS, DNS/ENUM) with meticulous attention to detail and service continuity.
- Perform node expansions, migrations, and decommissioning in live telecom networks, preparing Network Impact Reports (NIRs) and Methods of Procedures (MOPs) with minimal service disruption.
- Conduct pre- and post-upgrade testing, including System Integration Testing (SIT), Interoperability Testing (IOT), and User Acceptance Testing (UAT) to validate VoLTE, VoWiFi services.
- Configure and optimize SIP protocols, routing, call flows, and IMS network performance, ensuring KPI adherence and consistency across multi-vendor environments.
- Analyze logs, traces, and signalling flows (SIP/DIAMETER) to troubleshoot integration issues, identify root causes, and implement corrective actions during LCM execution phases.
- Collaborate with solution architects, design teams, and customers to plan LCM activities, coordinate cross-functional teams, and support technical workshops and pre-LCM planning meetings.
- Prepare comprehensive documentation including LCM activity plans, upgrade runbooks, test reports, and maintain knowledge repositories, SOPs, and best practice guides with proper version control.
The skills you bring:
- Technical Expertise: IMS architecture, 3GPP standards, SIP/DIAMETER protocols, VoLTE/VoWiFi services, and telecom node knowledge (CSCF, TAS, SBC).
- System Skills: Linux/Unix systems, OpenStack, Kubernetes, Docker, packet core (EPC/5GC) familiarity, and Ericsson IMS product portfolio understanding.
- Troubleshooting & Analysis: Wireshark/signalling analysis, log trace interpretation, and defect resolution capabilities.
- Soft Skills: Strong analytical and problem-solving abilities, customer-centric service delivery focus, effective cross-functional communication, and ability to work under pressure in tight maintenance windows.
- Automation & Tools: Python/Shell scripting, NFV/SDN exposure, OSS/BSS tools, and network management platform familiarity.
- Project Management: Cost estimation, activity planning, risk management, and stakeholder engagement expertise.
Ericsson Pune, Mahārāshtra, IND Office
Ericsson Pune Hub Office
Established IT zone near Viman Nagar with good airport access. Surrounded by cafes, housing and retail, offering a comfortable city lifestyle with a slightly slower pace than larger metros.
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