Manual Test Engineer - Telecom

• Bachelor's degree in Electronics & Communication Engineering, Telecommunications, Computer Science, Information Technology, or a related field.
• 3-8 years of experience in Telecom Testing with a focus on Data Core networks.
• Strong understanding of LTE EPC and 5G Core architecture.

• Traffic generation tools such as Spirent, Jmeter.
• Test automation using Python, Robot Framework, PyTest, or Shell scripting.
• Linux/Unix administration, SQL and basic database knowledge.
• Docker and Kubernetes, OpenShift or VMware virtualization platforms.
• CI/CD tools such as Jenkins, GitLab CI, or GitHub Actions.
• API testing using Postman or REST clients.
• Familiarity with Prometheus, Grafana, and ELK for monitoring and log analysis, virtualization and cloud-native telecom environments.
• Strong understanding of LTE EPC and 5G Core architecture.
• Good understanding of mobility procedures, bearer management, QoS, roaming, and subscriber lifecycle management.
• 5G Core or LTE Certification.
• ISTQB Foundation Level.
• Red Hat Certified System Administrator (RHCSA).
• Kubernetes Certified Application Developer (CKAD) or Certified Kubernetes Administrator (CKA) (preferred).
• AWS, Azure, or Google Cloud certifications (preferred).

If you're excited about this role but don't meet every requirement, we still encourage you to apply, your unique experience could be just what we need.

We are looking for a Telecom Test Engineer with experience in the Mobile Data Core domain to join our testing and validation team.

In this role you will play a key role in:

• Validating 4G LTE EPC and 5G Core network functions
• Ensuring end-to-end functionality, performance, interoperability, and reliability of packet core solutions
• Designing and executing test cases, analyzing network protocols, troubleshooting issues
• Collaborating with development, system integration, and operations teams.

• All roles will require a level of security clearance; BPSS OR Security ClearanceOR Developed Vetting.
• This is fixed term role for 3-6 months. This role requires 3 days/week office presence based in Reading.
• You can bring your whole self to work. At Capgemini building an inclusivefuture is part of everyday life and will be part of your working reality. We havebuilt a representative and welcoming environment, for everyone.

• 3GPP specifications for LTE and 5G Core, Network slicing, Service-Based Architecture (SBA).
• VoLTE and VoNR call flows, Charging functions (OCS/CHF), Policy control (PCRF/PCF).
• Security and authentication procedures (AKA, EAP-AKA'). Roaming and interworking scenarios. High Availability (HA) and Disaster Recovery (DR) testing.