Senior Solution Integrator
Core
Manage end-to-end life cycle of IMS network nodes including upgrades, migrations, expansions, and decommissioning to ensure service continuity in telecom networks.
Role type
Senior Solution Integrator (Telecom Network Operations)
Builds
IMS network services (VoLTE, VoWiFi, SIP routing) across multi-vendor environments
Domain
Telecom / 3GPP / IMS
Required skills
IMS architecture, SIP/SDP/DIAMETER protocols, VoLTE/VoWiFi, Linux/Unix, OpenStack, Kubernetes, telecom node management (CSCF, SBC, TAS, DNS/ENUM), packet core knowledge (EPC/5GC)
Preferred skills
Ericsson IMS product portfolio, LCM procedures
Technologies
IMS, SIP, SDP, DIAMETER, VoLTE, VoWiFi, Linux, Unix, OpenStack, Kubernetes, CSCF, SBC, TAS, DNS/ENUM, EPC, 5GC
Responsibilities
Plan and execute software upgrades, patches, and hardware replacements for IMS nodes; Perform node expansions, migrations, and decommissioning in live networks; 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 to identify root causes and resolve defects; Provide L2/L3 support including emergency recovery and rollback; Collaborate with architects, customers, and cross-functional teams; Prepare runbooks, test reports, and acceptance documents; Track milestones, risks, and issues.
