(IT) 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 focuses 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.
• 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.
• 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.

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