Specialist: Engineer Mobile Core Network at Liquid Intelligent Technologies

Role Description

• Develop and design end-to-end 4G/5G core network solutions, with a focus on MOCN and roaming scenarios. Ensure scalability, reliability, and security in network designs. Traffic model and Capacity Management is required to ensure that the network nodes and links are adequately sized. Number range managementE2E FWA solution design, including Provisioning, Charging, Mobile Data Core (4G/5G) and RAN.
• Deploy and integrate core network components, working closely with vendors and partners. Able to configure all components of the Mobile Core 4/5G network
• Ensure seamless integration with other MNOs for national roaming on 4G/5G networks.Signalling Protocols: In-depth knowledge of key signalling protocols, including:
• 4G (LTE): S1AP, X2AP, GTP, Diameter, SCTP, SIP.5G: NGAP, XnAP, HTTP/2, PFCP, SBI.
• Perform network performance analysis and optimization to enhance coverage, capacity, and quality of service. Implement optimization strategies for MOCN and roaming scenarios. Monitor network performance and troubleshoot issues to maintain optimal operation. Provide regular reporting of the whole network and the FWA Service. Review and report on network usage and customer usage. Implement MOCN on other MNOs' RAN infrastructure. Ensure proper configuration and management of shared RAN resources. Setting up the correct pooling and high availability configurations between the Mobile Core and RAN.Ensure seamless mobility between 4G/5G sites.
• Implement and manage IP networking protocols (BGP, OSPF, MPLS) to ensure efficient data flow.Configure and troubleshoot IP routers, switches, and firewallsSetting up of DNS servers including setting up authoritative and caching DNS servers.Customize solutions to meet specific requirements and resolve integration issues.Create technical documentation, including network diagrams and guidelines up-to-date records of network configurations and changes

Requirements

• In-depth understanding of 4G and 5G core network technologies, including EPC, IMS, and telecom call flow/processes: Essential
• 2+ years of experience in designing and deploying mobile core network solutions, with a focus on MOCN and roaming scenarios: Essential
• Relevant certifications (e.g., CCNA, CCNP, 3GPP) are a plus: Desirable
• Strong problem-solving skills and ability to work in a fast-paced environment: Essential
• Maximum of 3 years in Planning and Configuration on Core Network Elements including all components of EPC and 5G Core: Essential
• Maximum of 3 years strong knowledge of Linux networking, including DPDK applications and SRIOV interfaces: Desirable
• Maximum of 2 years in solution design and architecture: Desirable
• Maximum of 2 years in Project Management, multiple project handling: Desirable
• All Appointments are subject to the Labour Legislation in the respective country.