Core Engineer - Mobile Core Networks
Infosys
Santiago, Santiago Metropolitan Region, Chile · Chile
Posted on Sep 10, 2025
Job details
Work Location
Santiago
State / Region / Province
Santiago Province
Country
Chile
Domain
Delivery
Interest Group
Infy Chile
Skills
Domain|Telecom|Wireless LTE Core network technology & protocols
Company
IL Chile
Requisition ID
138689BR
Job description
Core Engineer – Mobile Core Networks
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.
Key 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.
Required Skills & Qualifications:
- Degree in Electronic or Telecommunications Engineering.
- 10+ years of experience in mobile core network engineering.
- Strong knowledge of LTE/EPC and 5G Core architecture and protocols.
- Experience with virtualized core platforms (vEPC) and cloud-native infrastructure.
- Familiarity with cybersecurity standards and secure network design.
- Proficiency in Cisco, Huawei, Nokia, and Ericsson technologies.
- Hands-on experience with network planning, implementation, and optimization.
- Bilingual: Spanish (native), English (intermediate to fluent).
Preferred Attributes:
- Experience in mining industry deployments and private LTE/5G networks.
- Proven leadership in technical teams and strategic project execution.
- Ability to produce high-level documentation and communicate effectively with stakeholders.
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 in managing the systems and workings of global enterprises, we expertly steer our clients through their digital journey. We do it by enabling the enterprise with an AI-powered core that helps prioritize the execution of change. We also empower the business with agile digital at scale to deliver unprecedented levels of performance and customer delight. Our always-on learning agenda drives their continuous improvement through building and transferring digital skills, expertise, 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.