Packet Core Engineer

ECS Resource Group are currently working in partnership with a global managed service provider, assisting them with the search for a packet Core Engineer on a contract basis. We are looking for an experienced Packet Core Engineer to join a leading telecommunications organisation, playing a key role in the design, delivery and lifecycle management of next-generation Packet Core services. You will be responsible for ensuring the performance, scalability and resilience of critical mobile core platforms supporting 4G, 5G Standalone (5G SA), IoT and enterprise connectivity., * Design, implement and manage Packet Core platforms including MME, AMF, SGSN, GGSN, SGW, PGW, UPF, IPX/GRX Gateways, Gi/SGi-LAN, Carrier Grade NAT, DNS and Security Gateways, ensuring highly available, secure and scalable network services.

• Lead the delivery, integration and lifecycle management of Packet Core solutions, supporting network transformation initiatives including EPC to 5G Core migration, NFV adoption and cloud-native deployments.
• Work collaboratively with Architecture, Operations, Strategy and Delivery teams to ensure solutions meet business requirements whilst maintaining high standards of network performance, resilience and regulatory compliance.
• Drive continuous improvement through automation, traffic optimisation, policy management and proactive performance monitoring, investigating complex network issues through to long-term resolution.
• Manage relationships with technology vendors and key stakeholders whilst supporting roaming, interconnect, peering and enterprise connectivity initiatives across the mobile core network.

• Strong experience designing and supporting Packet Core technologies including MME, AMF, SGSN, GGSN, SGW, PGW, UPF, IPX/GRX, Gi/SGi-LAN, NAT, DPI and related gateway technologies.
• Excellent understanding of end-to-end 3G, LTE, EPC and 5G Standalone (5G SA) architectures, including mobility management, signalling, policy control, QoS and data plane optimisation.
• Hands-on experience with cloud-native networking, NFV, Kubernetes, containerisation, automation tools such as Ansible and CI/CD pipelines.
• Proven background delivering large-scale telecoms transformation programmes, including EPC to 5G Core migration, virtualisation and cloud-based network deployments.
• Strong stakeholder management, analytical and problem-solving skills, with the ability to work across multiple technical domains and engage effectively with internal teams, vendors and external partners.