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Solution Architect - IMS

Ericsson·Kolkata

Pay not stated9–15 yrsFull-time

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About the role

In this pivotal role of Design IMS solutions that scale, interoperate, and perform. You will turn customer needs into robust architectures, lead end-to-end design across multi-vendor environments, and guide delivery teams from blueprint to acceptance. The goal is simple, resilient IMS, ready for VoLTE, VoWiFi, and cloud-native evolution.

What you'll do

  • Define reference architectures for CSCF, SBC, TAS, DNS/ENUM, and related domains, including integration with EPC/5GC
  • Lead discovery and translate business and technical needs into clear design decisions, risks, and trade-offs
  • Produce and review design deliverables, HLD/LLD, capacity and scaling models, security controls, data flows, and call flows
  • Set integration strategy and guardrails, support MOP definition for live activities, and ensure design compliance during rollout
  • Define test strategies for SIT, IOT, and UAT, align acceptance criteria with KPIs and SLAs, and sign off on readiness

What you need

  • 9–15 years in software engineering
  • Python
  • Kubernetes
  • Linux
  • Root cause analysis
  • CI/CD
  • IoT
  • MCA or B.Tech or B.E.

Good to have

  • Telecom

What you get

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