About this opportunity
Looking an experienced IMS / 5G Core Specialist with deep expertise in Ericsson IMS platforms (SBG, CSCF, MTAS, BGF) and 5G Core technologies (PCC and PCG). The ideal candidate will have strong experience in network planning, design, deployment, and KPI-driven optimization within multi-vendor telecom environments.
What you will do
• Accountable for day-to-day delivery of the assigned project towards customer.
• Handle & Lead IMS & 5G Core 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 5G Core, IMS & Cloud Core in Customer calls & governances.
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, Cloud core, CUDB) and understanding.
• Strong Technical Knowledge on IMS and 5GCore Network and idea of E2E network. IMS Core Nodes (SBG, CSCF, TAS etc), MME, AMF, PCC, SGW, PGW, SMF, UPF, PCG, DNS,SMSC,MIO, and NFVi .
• Candidate should have strong troubleshooting skills on IMS / CS Core network. • Should have team handling experience.
• Experience in 5GC, cloud is added advantage
• 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.
"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) || Chennai
Req ID: 791002
Skills Required
- Experience with IMS and 5G Core network planning, design, deployment, performance management, and optimization
- Hands-on IMS and voice network tracing experience
- Architecture and interface knowledge of Ericsson core network elements
- Expertise in IMS, fixed voice, cloud core, CUDB, and operator networks
- Technical knowledge of IMS core nodes, 5G Core, NFVi, and end-to-end networks
- Strong troubleshooting skills in IMS and circuit-switched core networks
- Team handling or team leadership experience
- Knowledge of Ericsson products, services portfolio, roadmaps, and system integration practices
- Knowledge of management information systems
- Understanding of network automation concepts
- Good communication skills
- Academic credentials from recognized and accredited institutions
- Experience in 5G Core and cloud technologies
What the Team is Saying
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What We Do
Ericsson builds the digital connectivity the world relies on. Our technology underpins the mobile networks, platforms, and systems that billions of people, businesses, and societies depend on every day. We are a global leader in communications technology, delivering mobile network infrastructure, cloud software, and wireless connectivity solutions for service providers and enterprises worldwide. Our networks support connectivity across 180+ countries, helping power everyday communication as well as critical digital services at global scale. Connectivity has evolved far beyond consumer mobile use. Today, nearly 80% of the world’s population accesses the internet via mobile networks, and Ericsson is helping shape what comes next. We are advancing 5G and 5G Advanced, developing network APIs that open connectivity to the global developer ecosystem, and applying automation and AI to make networks more intelligent, efficient, and resilient. Ericsson was the first company to launch live 5G networks on five continents, and our 5G platform is now commercially live in 150+ networks across 60+ countries. We also support more than 36,000 enterprise customers, enabling secure, high-performance connectivity for industries such as manufacturing, aviation, logistics, utilities, and public safety, where reliability and performance are mission critical. Innovation is central to how we work. Ericsson has approximately 28,000 employees in research and development, backed by one of the strongest intellectual property portfolios in the industry with 60,000+ granted patents. Our engineers, researchers, and technologists work across 100+ global R&D sites, helping define how networks evolve and how digital infrastructure is built for the long term. As the world moves toward a mobile-first, AI-powered, and cloud-driven future, connectivity becomes the foundation for digital transformation across every industry. Ericsson is building that foundation, shaping the future of digital connectivity through technology that operates at global scale and supports real-world impact, today and for what comes next.
Why Work With Us
Ericsson is a place for people who want to work on technology that powers everyday life. You’ll contribute to large-scale systems used every day, tackle complex challenges in live environments, and keep developing your skills and career in your own vision.
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