Core Engineer – Mobile Core Networks

Overview

Core Engineer – Mobile Core Networks at Infosys — Role Summary

The Core Engineer is responsible for the design, deployment, optimization, and maintenance of mobile core network infrastructure (EPC / 5GC), ensuring reliable connectivity, service delivery, and integration with enterprise applications. This role supports both public and private LTE / 5G networks, with a strong focus on mission-critical environments such as mining and industrial operations.

Responsibilities

• Design and implement mobile core network elements including SGSN, GGSN, MME, SGW, PGW, IMS, PCRF, OCS, EIR, and DNS.
• Lead integration and migration projects between virtual EPC platforms (e.g., Nokia, Ericsson).
• Perform capacity planning, network optimization, and troubleshooting across PS Core and MPLS Core.
• Support deployment of new services such as IoT, M2M, and national roaming.
• Develop High-Level Design (HLD) and Low-Level Design (LLD) documentation for LTE / 5G networks.
• Ensure secure and resilient network architecture, incorporating cybersecurity best practices.
• Collaborate with cross-functional teams to support application services over LTE / 5G infrastructure.
• Conduct incident resolution and performance analysis for EPC Core and backhaul.
• Manage disaster recovery planning and support models for core network operations.

Qualifications

Preferred Attributes

About Us

Infosys is a global leader in next-generation digital services and consulting. We enable clients in more than 50 countries to navigate their digital transformation. With over four decades of experience, we steer our clients through their digital journey by enabling the enterprise with an AI-powered core and agile digital at scale to deliver performance and customer delight. Our learning agenda drives continuous improvement through building and transferring digital skills and ideas from our innovation ecosystem.

EEO Infosys provides equal employment opportunities to applicants and employees without regard to race; color; sex; gender identity; sexual orientation; religious practices and observances; national origin; pregnancy, childbirth, or related medical conditions; or disability.

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