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# Manual Test Engineer - Telecom

- **Company:** CapGemini
- **Location:** Oxford, UK
- **Experience:** Experienced
- **Contract:** Temporary contract
- **Skills:** LTE (Telecommunication), Amazon Web Services, Automation of Tests, Microsoft Azure, Continuous Integration, Disaster Recovery, Github, Interoperability, Apache JMeter, Python (Programming Language), Log Analysis, Network Protocols, OpenShift, Red Hat Enterprise Linux, Prometheus, Roaming, Shell Script, SQL Databases, Systems Integration, VMware Virtualization, Google Cloud, Postman, System Availability, Grafana, Pytest, Gitlab-ci, Kubernetes, Information Technology, Api Management, Docker, Jenkins
- **Published:** August 12, 2026
- **Apply:** https://jobsthamesvalley.co.uk/jobs/apply/ats-redirect/?id=2921091711-2

## About the Role

* 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.

Preferred Technical Skills

 * 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.

Desired Knowledge

 * 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.

Preferred Certifications

 * 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).

## Description

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.


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