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
Skills Required
- 2-3 years of experience in the Packet Switched core domain
- Experience with mobile technologies including 2G, 3G, and 4G, RAN functions, Core Network Functions, integration, operation, and maintenance
- Expertise configuring and fixing Packet Core nodes, including SGSN, GGSN, ePDG, WMG, vEPC, vMME, vSGW, and vPGW
- Strong understanding of NFVI frameworks and components
- Hands-on OpenStack experience, including deployment, configuration, and troubleshooting
- Knowledge of telecom cloud principles and architecture, including ETSI MANO, VIM, VNFs, and CNFs
- Experience with SDN, orchestration tools, and MANO stack integration
- Knowledge of VLANs, VXLANs, SR-IOV, DPDK, and cloud load balancing
- Familiarity with Kubernetes, Helm, and Docker
- Understanding of 3GPP call flows, 2G/3G/4G technologies, and VoLTE
- Understanding of network topology and interfaces including S1, S5, S10, S11, Gx, Gy, and Ga
- Knowledge of GSM, SS7, SIGTRAN, TCP/IP, S1AP, RANAP, SCCP, SCTP, Iu-PS, BSSGP, GTP, and Diameter protocols
- Strong understanding of IP routing and switching
- Strong analytical and problem-solving skills
- Excellent communication and documentation abilities
- Ability to collaborate with DevOps, network, security, and cross-functional teams
- Knowledge of Cisco CUPS
- Knowledge of Linux and Wireshark
- Packet Core domain or vendor-specific certifications
What the Team is Saying
.png)
.png)
What We Do
Ericsson builds the digital connectivity the world relies on. Our technology underpins the mobile networks, platforms, and systems that billions of people, businesses, and societies depend on every day. We are a global leader in communications technology, delivering mobile network infrastructure, cloud software, and wireless connectivity solutions for service providers and enterprises worldwide. Our networks support connectivity across 180+ countries, helping power everyday communication as well as critical digital services at global scale. Connectivity has evolved far beyond consumer mobile use. Today, nearly 80% of the world’s population accesses the internet via mobile networks, and Ericsson is helping shape what comes next. We are advancing 5G and 5G Advanced, developing network APIs that open connectivity to the global developer ecosystem, and applying automation and AI to make networks more intelligent, efficient, and resilient. Ericsson was the first company to launch live 5G networks on five continents, and our 5G platform is now commercially live in 150+ networks across 60+ countries. We also support more than 36,000 enterprise customers, enabling secure, high-performance connectivity for industries such as manufacturing, aviation, logistics, utilities, and public safety, where reliability and performance are mission critical. Innovation is central to how we work. Ericsson has approximately 28,000 employees in research and development, backed by one of the strongest intellectual property portfolios in the industry with 60,000+ granted patents. Our engineers, researchers, and technologists work across 100+ global R&D sites, helping define how networks evolve and how digital infrastructure is built for the long term. As the world moves toward a mobile-first, AI-powered, and cloud-driven future, connectivity becomes the foundation for digital transformation across every industry. Ericsson is building that foundation, shaping the future of digital connectivity through technology that operates at global scale and supports real-world impact, today and for what comes next.
Why Work With Us
Ericsson is a place for people who want to work on technology that powers everyday life. You’ll contribute to large-scale systems used every day, tackle complex challenges in live environments, and keep developing your skills and career in your own vision.
Gallery
Ericsson Offices
Hybrid Workspace
Employees engage in a combination of remote and on-site work.
Ericsson adopts a hybrid work model globally because we know balance matters. Sometimes things are better in real life. Other times we can be more productive at home. Our hybrid approach gives you the best of both worlds.
