Mobile Packet Core Designer

Mobile Packet Core Designer

Location: London (Hybrid)
Contract: 3-month rolling contract

Role Overview

We are seeking an experienced Mobile Packet Core Designer to support the design, development, and optimisation of mobile packet core networks within a telecom environment. The role will focus on architecture, design, and implementation support across EPC/5G Core platforms, ensuring scalable, high-availability mobile data services.

Key Responsibilities

• Design and develop mobile packet core network architectures across EPC and/or 5G Core environments.

• Produce high-level and low-level design documentation (HLD/LLD).

• Support capacity planning, performance optimisation, and network evolution.

• Work closely with engineering, operations, and vendor teams to deliver packet core solutions.

• Contribute to integration and migration activities across LTE and 5G networks.

• Ensure solutions meet security, resilience, and scalability requirements.

• Provide technical expertise and troubleshooting support during deployment and testing.

Required Skills & Experience

• Strong experience with Mobile Packet Core technologies (EPC/5G Core).

• Hands-on knowledge of SGW, PGW, MME, PCRF, UPF, SMF, AMF components.

• Experience producing network design documentation (HLD/LLD).

• Understanding of 3GPP standards and mobile data protocols (GTP, Diameter, HTTP/2).

• Experience working with virtualised/cloud-native telecom infrastructure (NFV, Kubernetes, OpenStack or similar).

• Strong stakeholder communication and vendor management skills.

Desirable

• Experience with major vendors such as Ericsson, Nokia, Huawei, or Cisco packet core solutions.

• Exposure to 5G Standalone (SA) deployments.

• Experience in CI/CD, automation, or network orchestration environments.

Working Model

• Hybrid working with regular presence in London.

• 3-month rolling contract, with potential extension.