Remote E2E Telecom Tester: IMS/5G Core

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

Job summary

iTRTech Group is seeking an experienced E2E Tester for remote Europe to validate IMS, PaCO and SDM services within 5G Core environments. You will perform manual end-to-end testing, analyze network protocols, and work with engineering teams to ensure reliable deliveries.

The role requires hands-on testing across 2G/3G/4G/5G, strong debugging abilities, and experience with cloud and VNF deployments. English B2+ is required, and candidates must be based in Europe.

Qualifications

• 3+ years of IMS/SDM/PaCO/5G Core experience.
• Advanced understanding of 2G/3G/4G/5G networks and call flows.
• Experience in protocol testing (HTTP/2, SIP, MAP, Diameter).
• Hands-on manual E2E testing with debugging skills.
• Experience with cloud, virtualization, and VNF deployments (Kubernetes, Docker, Python).
• Wireshark for packet capture and troubleshooting.

Responsibilities

• Perform manual end-to-end testing across IMS, PaCO and SDM environments.
• Understand test environments, network functionality and expected behaviours.
• Provide input for test case definition and defect tracking.
• Analyse failures, investigate issues and support root-cause identification.
• Use packet captures/logs to troubleshoot network and protocol issues.
• Log, track and report defects using Jira or QC; communicate status to stakeholders.
• Collaborate with cross-functional teams to resolve defects.

Skills

IMS

PaCO

SDM

5G Core

Manual Testing

Wireshark

Kubernetes

Docker

Python

Jira

Education

Bachelors in Telecommunications

Tools

Jira

QC

Job description

iTRTech Group is seeking an experienced E2E Tester for remote Europe to validate IMS, PaCO and SDM services within 5G Core environments. You will perform manual end-to-end testing, analyze network protocols, and work with engineering teams to ensure reliable deliveries.

The role requires hands-on testing across 2G/3G/4G/5G, strong debugging abilities, and experience with cloud and VNF deployments. English B2+ is required, and candidates must be based in Europe.