BO PS Core Engineer

Join our Team

About this opportunity:

BO PS Core & Cloud engineer is part of MS team who will manage and operate Packet Core network operations through performing all 2nd level operations activities.

What you will do:

• Ensure a smooth operation of the GSM/UMTS/LTE/VOLTE specific Packet Core Network.
• Be part of a team specified in PCN Network activities associated with Mobile GSM/UMTS/LTE/VoLTE Network.
• Take charge of the configuration, administration, and maintenance of Packet Core nodes and associated cloud infrastructure.
• Take ownership of routine maintenance procedures, covering system health monitoring, backups, and preventive measures.
• Oversee execution of planned activities and network changes.
• Diagnose and fix issues related to configuration, hardware, or software, and conduct root cause analysis.

The skills you bring:

• Minimum 4-5 years of experience in the PS core domain.
• Experience in working on mobile technologies (2G/3G/4G), RAN functions, Core Network Functions, integration, operation & maintenance
• Expertise in Packet Core Nodes Configuration and Fixing which should primarily include – SGSN, GGSN, ePDG / WMG, vEPC (vMME/SGSN, vSGW/PGW)
• Strong understanding of NFVI framework and components.
• Hands-on experience on Openstack, including deployment, configuration, and troubleshooting.
• Solid knowledge of Telecom Cloud principles and architecture (e.g., ETSI MANO, VIM, VNFs, CNFs).
• Experience with SDN, orchestration tools, and integration with MANO stacks.
• Knowledge of networking concepts including VLANs, VXLANs, SR-IOV, DPDK, and load balancing in cloud environments.
• Familiarity with cloud-native technologies such as Kubernetes, Helm, and Docker.
• Good understanding of 3GPP Call Flows and Technologies (2G/3G/4G), VoLTE, etc.
• Good understanding of Network topology and various interfaces (S1, S5, S10, S11, Gx, Gy, Ga etc)
• Knowledge of GSM, SS7, Sigtran, TCP/IP, S1AP, RANAP, SCCP, SCTP, Iu-PS, BSSGP, GTP, and Diameter protocol.
• Knowledge of Cisco CUPS is a plus.
• Knowledge of Linux, Wireshark, and Packet Core domain/vendor-specific certifications will be an additional advantage.
• Strong understanding of IP Technology including Routing and Switching
• Strong analytical and problem-solving skills.
• Excellent communication and documentation abilities.
• Ability to collaborate with cross-functional teams (DevOps, Network, Security, etc.).