Senior Solution Integrator

Ericsson AB; Dadri; Presencial; INR 2.000.000 - 3.500.000; Jornada completa

Descripción de la vacante

Ericsson AB in Noida, India, seeks a Solution Integrator to manage the end-to-end lifecycle of IMS nodes, including upgrades, migrations, expansions, and decommissioning in live networks. You will coordinate with cross-functional teams and ensure minimal service impact while adhering to Ericsson processes and 3GPP standards.

The role requires hands-on experience with SIP, DIAMETER, VoLTE/VoWiFi, Linux/Unix, OpenStack, and Kubernetes, plus upgrade and migration of telecom IMS nodes such as CSCF,

Formación

• Experience managing end-to-end lifecycle of IMS nodes.
• Strong knowledge of SIP, DIAMETER, VoLTE/VoWiFi services.
• Hands-on with Linux/Unix, OpenStack and Kubernetes.
• Experience with upgrading/migrating telecom IMS nodes (CSCF/TAS/SBC/DNS/ENUM).
• Familiarity with 3GPP standards and telecom architectures.

Responsabilidades

• Plan and execute software upgrades, patches, and hardware replacements for IMS nodes.
• Perform node expansions, migrations, and decommissioning in live networks.
• Prepare NIRs, MOPs, and rollback plans; execute with minimal service impact.
• Ensure alignment with HLD/LLD, CPI, and customer requirements.
• Conduct pre/post-upgrade, regression, SIT, IOT, and UAT testing.
• Validate VoLTE, VoWiFi, SIP routing, and call flows post-LCM.
• Analyse SIP/DIAMETER logs and traces; identify root causes and defects.
• Provide L2/L3 support, including emergency recovery and rollback.
• Collaborate with architects, customers, cross-functional teams; prepare runbooks and SOPs.

Conocimientos

IMS architecture

SIP

DIAMETER

VoLTE/VoWiFi

Linux/Unix

IMS nodes upgrade

Herramientas

OpenStack

Kubernetes

Descripción del empleo

Join our TeamAbout this opportunity:The Solution Integrator / Senior Solution Integrator – Life Cycle Management (LCM) for IMS Nodes is responsible for managing the end-to-end life cycle of IMS network nodes, including upgrades, migrations, expansions, and decommissioning activities within telecom networks. The role ensures continuity of IMS services, seamless software/hardware lifecycle transitions, and high service quality across multi-vendor environments while adhering to 3GPP standards and Ericsson delivery frameworks.What you will do:Plan and execute software upgrades, patches, and hardware replacements for IMS nodes (CSCF, SBC, TAS, DNS/ENUM).Perform node expansions, migrations, and decommissioning in live networks.Prepare NIRs, MOPs, and rollback plans; execute activities with minimal service impact.Ensure alignment with HLD/LLD, CPI, and customer requirements.Conduct pre/post-upgrade, regression, SIT, IOT, and UAT testing.Validate VoLTE, VoWiFi, SIP routing, and call flows post-LCM.Optimize KPIs, parameters, and capacity across multi-vendor IMS environments.Analyse SIP/DIAMETER logs and traces, identify root causes, and resolve defects.Provide L2/L3 support, including emergency recovery and rollback.Collaborate with architects, customers, cross-functional teams (Cloud, PACO, Transport), and Ericsson product teams.Prepare runbooks, test reports, and acceptance documents; maintain SOPs and best practices.Track milestones, risks, and issues; maintain version control and configuration records.The skills you bring:Strong understanding of IMS architecture and 3GPP standards.Hands-on experience with:SIP, SDP, DIAMETER protocolsVoLTE / VoWiFi servicesLinux/Unix systems, OpenStack & K8s skillExperience in software upgrade and migration of telecom IMS nodes.Knowledge of telecom nodes such as CSCF, TAS, SBC, DNS/ENUM.Familiarity with packet core (EPC/5GC) and associated signalling flows.Understanding of Ericsson IMS product portfolio and LCM procedures (preferred).“All academic credentials must be from recognized and accredited institutions and are further subject to verification.”Why join Ericsson?At Ericsson, you´ll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what´s possible. To build solutions never seen before to some of the world’s toughest problems. You´ll be challenged, but you won’t be alone. You´ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.What happens once you apply?Click Here to find all you need to know about what our typical hiring process looks like.Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer. learn more.Primary country and city: India (IN) || NoidaReq ID: 793788