Remote Core Network Design Engineer

iTRTech Group; Portugal; Remote; EUR 19,000 - 22,000; Full time

Job summary

iTRTech Group is seeking a Solution Engineer – Design to contribute to network planning and deployment, focusing on design, integration, validation and acceptance.

You will work with Managed Services, NPI, Care and R&D teams to deliver core network solutions, support subscriber database migrations, and resolve technical challenges during deployment.

This role blends hands-on engineering, technical documentation and customer collaboration in a telecommunications environment.

Qualifications

• 3+ years in telecommunications with core network experience.
• Experience designing and implementing HLR/HSS and SDL, EIR, MNP.
• Experience integrating SDM and migrating subscriber databases.
• Experience with cloud, virtualization and VNF deployments (Kubernetes, Docker).
• Unix/Linux proficiency and router/switch config.
• Strong English communication with customers.

Responsibilities

• Design, plan and implement core network elements.
• Perform deployments, integrations and testing.
• Integrate SDM solutions and migrate subscriber databases.
• Troubleshoot deployment issues and analyze call flows.
• Produce and maintain technical documentation (LLD, CIQ, DND, ATP, MOP).
• Manage testing and acceptance activities.
• Collaborate with design, integration, validation and acceptance teams.

Skills

HLR/HSS design

SDM migration

Kubernetes

Docker

Unix/Linux

Shell scripting

Python

Ansible

Network design

3G/4G/5G knowledge

English communication

Tools

CI/CD pipelines

Job description

iTRTech Group is seeking a Solution Engineer – Design to contribute to network planning and deployment, focusing on design, integration, validation and acceptance.

You will work with Managed Services, NPI, Care and R&D teams to deliver core network solutions, support subscriber database migrations, and resolve technical challenges during deployment.

This role blends hands-on engineering, technical documentation and customer collaboration in a telecommunications environment.