E2E Tester: IMS/PaCO/SDM & 5G Core (Hybrid)

Capgemini Engineering; Lisboa; Hybrid; EUR 38,000 - 52,000; Full time

Benefits offered by this job

Health and life insurance

Hybrid work

Referral program with bonuses

Job summary

Capgemini Engineering in Lisbon seeks an experienced E2E Tester to validate end-to-end solutions in Telecom Core Network environments, focusing on IMS, PaCO, SDM and 5G Core domains. You will ensure service quality through testing, defect management, and collaboration with cross-functional teams.

The role requires strong troubleshooting, defect-tracking skills, and English fluency. Hybrid work and opportunities for training and international projects are offered.

Qualifications

• 3+ years of Telecom Core Network testing experience (IMS, SDM, PaCO, 5G Core).
• Strong knowledge of 2G/3G/4G/5G architectures, call flows, and procedures.
• Hands-on telecom protocol testing: HTTP2, SIP, MAP, Diameter.
• Experience with Wireshark for packet capture and log analysis.
• Familiar with cloud-native/virtualization: Kubernetes, Docker; Python scripting.

Responsibilities

• Execute end-to-end manual testing across IMS, PaCO, SDM, and 5G Core platforms.
• Troubleshoot and perform root-cause analysis of network issues.
• Log and manage defects using JIRA and QC/ALM; produce status reports.
• Understand test environments, system functionality, and business requirements.
• Create/maintain test cases based on project requirements; ensure delivery quality.

Skills

Troubleshooting

Root cause analysis

Defect management

Test tracking tools

JIRA

QC/ALM

English fluency

Python scripting

Education

Bachelor's degree in Computer Science/ Telecommunications/Engineering

Tools

Kubernetes

Docker

VNF deployments

Job description

Capgemini Engineering in Lisbon seeks an experienced E2E Tester to validate end-to-end solutions in Telecom Core Network environments, focusing on IMS, PaCO, SDM and 5G Core domains. You will ensure service quality through testing, defect management, and collaboration with cross-functional teams.

The role requires strong troubleshooting, defect-tracking skills, and English fluency. Hybrid work and opportunities for training and international projects are offered.