Operate and maintain mobile Packet Core networks across GSM, UMTS, LTE, and VoLTE environments. Configure, administer, monitor, and troubleshoot Packet Core nodes and cloud infrastructure, including OpenStack and telecom virtualization platforms. Execute network changes, preventive maintenance, backups, root cause analysis, and issue resolution. The role requires expertise in Packet Core functions, NFVI, MANO, Kubernetes, networking, telecom protocols, 3GPP call flows, and IP routing and switching, with collaboration across DevOps, network, and security teams.
Join our Team
About this opportunity:
BO PS Core engineer is part of MS team who will manage and operate Packet Core network through performing all 2 nd level operations activities.
What you will do:
• Ensure a smooth operation of the 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:
• 2-3 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.).
Why join Ericsson?At Ericsson, you'll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what's possible. To build solutions never seen before to some of the world's toughest problems. You'll be challenged, but you won't be alone. You'll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.
What happens once you apply? Click Here to find all you need to know about what our typical hiring process looks like.Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer. learn more.
Primary country and city: Egypt (EG) || Cairo
Req ID: 789616
About this opportunity:
BO PS Core engineer is part of MS team who will manage and operate Packet Core network through performing all 2 nd level operations activities.
What you will do:
• Ensure a smooth operation of the 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:
• 2-3 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.).
Why join Ericsson?At Ericsson, you'll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what's possible. To build solutions never seen before to some of the world's toughest problems. You'll be challenged, but you won't be alone. You'll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.
What happens once you apply? Click Here to find all you need to know about what our typical hiring process looks like.Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer. learn more.
Primary country and city: Egypt (EG) || Cairo
Req ID: 789616
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