ECS Resource Group are currently working in partnership with a global managed service provider who's end client is in the Mobile Telecoms sector. We are assisting them with the search for a Packet Core Engineer on a contract basis.

Job Description:

We are seeking a skilled Packet Core Engineer with expertise in EPC/LTE architecture and a strong understanding of call flows and integration processes. As a Packet Core Engineer, you will play a crucial role in configuring and integrating Ericsson & Cisco MME, PGW, and SGW to ensure seamless network operations.

Key skills and responsibilities should include some of the following:

• Service Provisioning: Handle IPV4 to IPV6 migration for APNs, configure all APN-related settings in DNS, PGW-C, and PGW-U, and design and integrate IP within the packet core components.
• Architecture Knowledge: Demonstrate proficiency in EPC/LTE packet core architecture, including MME, SGW, PGW, HSS, and associated interfaces such as Diameter and Radius.
• Call Flow Understanding: Possess in-depth knowledge of call flows, including Authentication, Attach, PDU Session, Handover, etc., to troubleshoot and optimize network performance.
• Integration Expertise: Configure and integrate Ericsson & Cisco MME, PGW, and SGW to ensure smooth network operations.
• Messaging Services: Oversee messaging services, including MMS and SMS over NAS & IP, to guarantee efficient communication within the network.
• VoWiFi Deployment: Deploy Voice Over WiFi (VoWiFi) services using ePDG for improved voice communication over wireless networks.
• 5G Stand Alone Core Expertise: Understand 5G Core SBA architecture, including AMF, SMF, UPF, and associated interfaces, and manage 5G converged charging (N40) and IRAT mobility between 5G and 4G networks.
• Testing and Automation: Develop test plans, execute tests, capture and analyze traces, and implement test automation procedures to ensure network reliability and performance.

ECS Recruitment Group Ltd is acting as an Employment Business in relation to this vacancy.