> Markdown version of [/jobs/ext/2816184-packet-core-test-engineer](https://www.wearedevelopers.com/jobs/ext/2816184-packet-core-test-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Packet Core Test Engineer

- **Company:** Capgemini
- **Location:** Slough, UK
- **Contract:** Temporary contract
- **Skills:** 4G (Telecommunication), Cloud Computing, Linux, Domain Name System (DNS), GPRS Core Networks, IPv4, IPv6, JSON, Packet Analyzer, Network Protocols, Systems Integration, Transmission Control Protocol (TCP), Wireshark, Openapi, Diagnostic Tools, Juniper, Containerization, Kubernetes, Stream Control Transmission Protocol, Cisco, Docker
- **Published:** September 10, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/packet-core-test-engineer/46518500

## About the Role

Containerized (Docker, Kubernetes) and Cloud-nativeComprehensive knowledge of Packet Core components and functionality (SGSN, MME, SGW, PGW, EPDG, DNS, AMF, SMF, UPF).Hands-on experience with testing, packet capture, and diagnostics tools: Wireshark, Infovista Ativa or equivalentsGood understanding of Linux, Container, and Cloud-native technologies: Docker, Kubernetes, orchestration, and automation.Relevant technical qualifications or certifications: (e.g., degree in Engineering or related discipline, or certifications such as Cisco CCNA-SP or Juniper equivalents). Proficiency in networking protocols and procedures: Core Signalling Protocols: GTPv1/v2, NGAP, Diameter, PFCP, SBI (including HTTP/2, REST/JSON, OpenAPI)Traffic and Transport: IP (IPv4/IPv6), UDP, TCP, SCTP, GREQuality of Service and Policy: 5G QoS Flow, QFI, PCC (Policy and Charging Control), PCF, SMF, UPF policy enforcementMobility and Session Procedures: Attach, Detach, Registration, Handover, Session Establishment

## Description

This job is with Capgemini, an inclusive employer and a member of myGwork - the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.Your roleWe are looking for Packet Core Test Engineer iwho will be responsible for assuring the quality, stability, and readiness of the containerized Packet Core for deployment into live service. The role involves testing, validating, and integrating new software releases and design changes, identifying and mitigating risks, and working closely with stakeholders and vendors to enable a smooth, reliable delivery into operations. In this role you will play a key role in:Manage and support the acceptance and integration of software releases of Containerized Mobile Packet Core through the test cycle.Test Management, Risk Mitigation, Platform Validation and Stakeholder CommunicationYour profileExperience in Integration and/or Test for Mobile Telecoms Packet Core platforms (2G, 3G, 4G, 5G) - preferably