CS Core Specialist

Ericsson AB; Dadri; On-site; INR 1,800,000 - 4,200,000; Full time

Job summary

Ericsson AB in Noida, India is seeking a Service Professional specializing in End-to-End Network Planning, Design & Optimization for Core networks. You will analyze customer requirements and deliver scalable, cost-efficient solutions across multi-vendor environments, taking technical leadership across the solution lifecycle.

The role focuses on architecture for CS Core/IMS/EPC, cloud-native cores, and network slicing for 5G, with emphasis on design rigor, KPI optimization and cross-market

Qualifications

• Strong CS CORE/IMS/VoLTE/VoWiFi/EPC fundamentals in Planning, Design and Optimization.
• Senior subject matter expertise on operator network architecture.
• Knowledge of Ericsson’s/multivendor product portfolio and system integration practices.
• Hands-on experience with Cloud architecture (NFV/NFVi, virtualized and cloud-native core solutions).

Responsibilities

• Accountable for day to day delivery and overall technical quality of Design, Planning and Optimization projects.
• Act as end-to-end solution architect for large/multi-vendor CS Core/IMS/EPC networks ensuring architectural consistency and scalability.
• Design network interfaces per architecture/growth & capacity requirements.
• Responsible for design, planning and optimization of IMS, MSS, MGW, TAS, INUM, PCRF, MSS(MGCF), MRF, BGW, MGW, DRA, HSS, SBG, STP, CUDB, UPG/EDA and related core elements.
• Resolve critical customer issues related to network KPIs and drive optimization actions.
• Accountable for HLD/DLD and LLDs for 2G/3G/4G Services and solutions.
• Responsible for Risk Monitoring, Change Management, Budget/Cost monitoring & reporting data.
• Provide governance across delivery teams to ensure adherence to architecture and documentation quality.
• Prepare technical solutions and SoC for RFPs/RFQs in CS Core/IMS domain.

Skills

CS CORE/IMS/VoLTE/VoWiFi/EPC basics

End-to-end solution architect

Cloud architecture NFV/NFVi

SIP, Diameter, GTP protocols

Job description

Join our Team

About this opportunity:

Service Professional has the responsibility of End to End Network Planning ,Design & Optimization for Core network(s). The role also includes being able to analyse customer business & technical requirements, to build robust, scalable & cost-efficient solutions using Ericsson/Multivendor products. SP would be responsible to deliver global optimization & design projects performed within the Core domain from the DF optimize organization to the Ericsson customers in the different markets, while providing technical leadership and governance across the solution lifecycle.

What you will do:

• Accountable for day to day delivery and overall technical quality of the assigned Design, Planning and Optimization projects towards the MA including SBD deliveries.
• Act as end-to-end solution architect for large / multivendor CS Core, IMS and EPC networks, ensuring architectural consistency, scalability, security and alignment with customer roadmap.
• Designing all network interfaces as per the network architecture/growth & capacity requirements.
• Responsible for Design, planning and optimizing for following nodes of the network:-IMS (P/I/S CSCF), MSS, MGW, TAS, INUM, PCRF, MSS(MGCF), MRF, BGW, MGW,DRA, HSS, SBG, STP, CUDB, UPG/EDA and related core elements.; recommend parameters and settings as per network requirements and best practices.
• Resolve critical customer issues related to network KPIs & performance and drive deep-dive analyses and optimization actions.
• Accountable for HLD/DLD and LLDs creation for 2G/3G/4G Services and solutions
• Responsible for Risk Monitoring, Change Management, Budget/Cost monitoring & reporting data
• Provide technical governance and guidance across delivery teams to ensure adherence to architecture, design standards, optimization methodologies and documentation quality.
• Preparing technical solutions and SoC (Statement of Compliance) for RFPs/RFQs in the CS Core/IMS domain.

The skills you bring:

• Strong CS CORE/IMS/VoLTE/VoWiFi/ViWiFi/EPC fundamentals in Planning, Design and Optimization.
• Senior subject matter expertise on operator network architecture and understanding.
• A detailed knowledge of Ericsson’s/ multivendor existing and future product/services portfolio, roadmap information and system integration practices
• Hands on experience on Cloud architecture (NFV/NFVi, virtualized and cloud-native core solutions).
• Should have worked on SIP, Diameter, GTP/GTPv2, Radius protocols.
• Certifications: Cloud Certification, IP certifications

Required Experience:

• Relevant experience in the field of CORE planning , design and optimization (CS Core / IMS / VoLTE / VoWiFi / EPC).
• Worked as a end to end solution architect for Large/multivendor network.
• Leads large engineering teams addressing multiple markets performing analytical, investigative, and/or design activities related to wireless communication systems including but not limited to GSM, CDMA, UMTS, LTE/VoLTE and VoWifi.
• Hands-on experience delivering multi-node core transformations such as cloud/NFV migrations, capacity expansions, new service introductions and optimization programs.
• Preparing technical solutions and SoC (Statement of Compliance) for RFP.
• Lead architecture and design for 5G Core, end-to-end network slicing (eMBB, URLLC, mMTC and enterprise slices), ensuring isolation, SLA adherence and seamless integration with existing CS Core / IMS / EPC domains.

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.

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.

Primary country and city: India (IN) || Noida