Job Description

Join our Team

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About this opportunity:

Looking for an experienced IMS Core Specialist with deep expertise in Ericsson IMS (SBG, CSCF, MTAS, BGF) and 5G Core (5GC) technologies, with a strong focus on the planning, design, deployment, and KPI-driven optimization in multi-vendor environments. Responsible for contributing to technical solution design and the service delivery process. The role demands a high level of ownership in maintaining network performance, quality, and timelines, in alignment with Ericsson standards

What you will do:

Accountable for day-to-day delivery of the assigned project towards customer. Handle & Lead IMS & fixed voice Performance Management and Design Planning scope for large CSPs. Optimizing network as per customer subscriber base & Perform parameters tuning etc. Perform QoS , parameter , capacity audit as per customer requirement. KPI analysis and recommendation to improve customer satisfaction. Perform upgrade and new installation. Troubleshooting, Analysis, Impact Report and Customer Handling Support in RFP discussion, BoQ finalization , Ordering etc. Leading IMS & CS Core in Customer calls & governances. End to End knowledge of IMS / CS Core network. Comprehensive IMS / VLTE / CS Core life-cycle maintenance (e.g., planning, deployment, monitoring, troubleshooting, Tracing & reporting). Must have customer handling skills and excellent communication skills. Candidate should have at least 3-4 years of Design/Planning/Optimization experience of IMS Core Nodes (SBG, CSCF, TAS etc). Candidate should have strong troubleshooting skills on IMS / CS Core network. Should have team handling experience. Experience in 5GC, cloud is added advantage

The skills you bring:

Strong IMS & Voice network experience. With hands-on skills in tracing Strong skills on Architecture and Interfaces for Ericsson Core network elements IMS, Fixed Voice, MSC, MGW, BC, HSS, CUDB, STP, DSC etc. Subject matter expertise on operator network (IMS, Fixed Voice, CS, CUDB) and understanding. Strong Technical Knowledge on IMS Core Network and idea of E2E network. A detailed knowledge of Ericsson's existing and future product/services portfolio, roadmap information and system integration practices Skillful application of management information systems to the unit SDU Optimize. Need to know the automation concepts. Good Communication skills.

What happens once you apply?

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We encourage you to consider applying to jobs where you might not meet all the criteria. We recognize that we all have transferrable skills, and we can support you with the skills that you need to develop.


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) || Bangalore (Country/ City)

Job details:

Network Engineer

Job Stage:

Job Stage 6

Primary Recruiter:

Bharathi Swami

Hiring Manager:

Amit Singh