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# Packet Core Test Engineer

- **Company:** CAPGEMINI
- **Location:** Abingdon, UK
- **Contract:** Permanent contract
- **Skills:** 4G (Telecommunication), User Authentication, Border Gateway Protocol, Cloud Engineering, Dynamic Host Configuration Protocol, Domain Name System (DNS), GPRS Core Networks, Internet Protocol Security (IP SEC), IPv4, IPv6, Packet Analyzer, Network Time Protocols, Prometheus, Simple Network Management Protocols, Transmission Control Protocol (TCP), Test Execution Engine, Wireshark, Openapi, Data Logging, Diagnostic Tools, Transport Layer Security, Grafana, Containerization, Kubernetes, Restful APIs, Stream Control Transmission Protocol, Docker
- **Published:** June 10, 2026
- **Apply:** https://jobs.theguardian.com/job/10123598/packet-core-test-engineer/

## About the Role

* Packet Core & Protocol Expertise - Deep knowledge of 2G-5G core networks, signalling protocols, and cloud-native/containerized environments.
 * Hands-on Testing & Problem-Solving - Practical experience in test execution, issue investigation, and validation using tools like Wireshark with strong analytical skills.
 * Effective Communication & Stakeholder Management - Ability to clearly report test outcomes, collaborate with cross-functional teams, and manage vendor delivery
 * Core / Platforms: Packet Core (2G/3G/4G/5G), Cloud-native, Containerization, Docker, Kubernetes, ETSI MANO, CNI
 * Protocols: GTPv1/v2, NGAP, PFCP, Diameter, HTTP/2, REST, OpenAPI, TCP, UDP, SCTP, GRE, IPv4/IPv6
 * Supporting Networking: DNS, DHCP, BGP, SNMP, NTP
 * Security: IPsec, TLS, Encryption, Authentication
 * Packet Core Nodes: MME, SGW, PGW, AMF, SMF, UPF, EPDG, SGSN
 * Testing & Tools: Wireshark, Infovista Ativa, Packet capture tools, Diagnostics tools
 * Monitoring / Observability: Prometheus, Grafana, Logging, Tracing

## Description

The Packet Core Test Engineer is 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. It plays a key role in safeguarding service integrity, optimizing test practices, and ensuring that the packet core evolves to meet future network and customer requirements.


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