Packet Core Test Engineer

Your Role

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.

• 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/IPv
  6.
• 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.

• Exposure to top global companies working with Capgemini.
• Open access to digital learning platforms.
• Active employee networks promoting diversity, equity and inclusion.

• All roles will require a level of security clearance; BPSS, Security Clearance, or Developed Vetting.
• Location:
  
  This role requires 3 days’ presence at the Slough office.
• Capgemini is a Disability Confident Employer (Level
  2) and offers an interview to all candidates who declare a disability and meet the minimum essential criteria for the role.