Architect - Ericcson Core Network

Axiata Digital Labs; Kuala Lumpur; On-site; MYR 180,000 - 320,000; Full time

Job summary

Axiata Digital Labs is seeking an experienced Ericsson Core Network Architect to design and optimize 4G/5G core solutions in a cloud-native environment.

The role focuses on creating scalable, secure architectures, leading CNF/VNF deployments, and ensuring interoperability with existing systems while driving performance and lifecycle management across projects. You will collaborate with cross-functional teams and document architectures for customer engagements.

Qualifications

• Bachelor's degree in Telecommunications, Computer Science, Information Technology, Engineering, or related field.
• Minimum 8+ years of telecom core network architecture, design, or deployment.
• Strong expertise in Ericsson 4G/5G Core Network technologies and 3GPP standards.
• Experience with CNFs, VNFs, and cloud-native platforms (Kubernetes/OpenShift).
• Proficiency in network analysis and troubleshooting tools like Wireshark.
• Knowledge of scripting or data analytics tools (Python/SQL/Tableau) a plus.
• Excellent communication and stakeholder management skills.
• Understanding of Agile methodologies and telecom delivery best practices.

Responsibilities

• Design and develop HLDs/LLDs for Ericsson 4G/5G core networks (SA/NSA).
• Lead deployment, integration, and configuration of CNFs and VNFs in cloud-native environments.
• Collaborate with cross-functional teams to translate requirements into scalable solutions.
• Drive capacity planning, performance optimization, and lifecycle management.
• Plan and execute software upgrades and system enhancements with minimal service impact.
• Troubleshoot signaling and user-plane issues to ensure timely resolution.
• Support network integration, interoperability, and end-to-end validation activities.
• Ensure designs meet industry standards, security requirements, and Ericsson best practices.
• Prepare architecture diagrams and implementation guides.
• Provide technical leadership and guidance to engineering teams during customer engagements.

Skills

Ericsson 4G/5G Core

Cloud-native deployments

NFV/SDN

Docker

Kubernetes

OpenShift

Wireshark

Python

SQL

Tableau

Troubleshooting

Stakeholder management

Agile methodologies

Education

Bachelor's degree in Telecommunications, Computer Science, Information Technology, Engineering, or related field

Tools

Docker

Kubernetes

OpenShift

Job description

Overview

We are seeking an experienced Ericsson Core Network Architect to design, implement, and optimize next‑generation 4G/5G Core Network solutions. The ideal candidate will be responsible for architecting scalable, secure, and high‑performing packet core and IMS solutions while driving cloud‑native deployments, network integration, and lifecycle management. This role requires close collaboration with engineering, operations, and customer teams to deliver reliable telecom solutions aligned with business and technical objectives.

Key Responsibilities

• Design and develop High‑Level Designs (HLDs) and Low‑Level Designs (LLDs) for Ericsson 4G/5G Core Network solutions, including Standalone (SA) and Non‑Standalone (NSA) architectures
• Lead the deployment, integration, and configuration of Core Network Functions (CNFs) and Virtual Network Functions (VNFs) in cloud‑native environments
• Collaborate with cross‑functional teams to translate business and technical requirements into scalable network solutions
• Drive capacity planning, performance optimization, and lifecycle management of core network platforms
• Plan and execute software upgrades, migrations, and system enhancements with minimal service impact
• Troubleshoot complex network issues related to signaling and user‑plane traffic, ensuring timely resolution
• Support network integration, interoperability, and end‑to‑end validation activities
• Ensure solution designs comply with industry standards, security requirements, and Ericsson best practices
• Prepare and maintain technical documentation, architecture diagrams, and implementation guides
• Provide technical leadership and guidance to engineering teams while supporting customer engagements and solution reviews

Person Specifications

• Bachelor's degree in Telecommunications, Computer Science, Information Technology, Engineering, or a related field
• Minimum 8+ years of experience in telecom core network architecture, solution design, or deployment
• Strong expertise in Ericsson 4G/5G Core Network technologies and 3GPP standards
• In‑depth knowledge of core network functions including AMF, SMF, UPF, MME, SGW, PGW, NRF, DNS, and IMS
• Strong understanding of 4G/5G mobile network architecture, end‑to‑end call flows, and telecom protocols (TCP/IP, QUIC, SS7)
• Experience with NFV/SDN, Docker, Kubernetes, OpenShift, and cloud‑native platforms
• Proficiency in network analysis and troubleshooting tools such as Wireshark
• Knowledge of scripting or data analytics tools such as Python, SQL, or Tableau is an advantage
• Excellent analytical, problem‑solving, communication, and stakeholder management skills
• Good understanding of Agile methodologies and telecom delivery best practices