About this opportunity:
We are looking for a Packet Core & Cloud Infrastructure SME to join our team. In this role, you will be at the intersection of telecom core network expertise and cloud platform engineering - responsible for the architecture, deployment, and operations of packet core systems running on virtualized and cloud-native infrastructures. You will play a critical part in ensuring resilient, scalable, and high-performing environments that power 4G/5G services at scale.
This is an opportunity to work in a highly technical, fast-paced environment alongside RAN, transport, IT, and vendor teams - driving innovation through automation, DevOps, and cloud-native transformation.
What you will do:
• Design and manage cloud infrastructure supporting Packet Core (EPC, 5G NSA & 5GC)• Deploy and support virtualized (VNF) and cloud-native (CNF) network functions• Manage cloud platforms (OpenStack, Kubernetes) for telecom workloads• Oversee infrastructure lifecycle: installation, upgrades, patching, and scaling• Ensure high availability, redundancy, and disaster recovery (DR) readiness• Perform capacity planning, performance tuning, and resource optimization• Lead complex troubleshooting across network, compute, storage, and virtualization layers• Support integration of Packet Core nodes (MME, SGW, PGW, PCC, PCG, AMF, SMF, UPF, etc.)• Drive automation and DevOps practices (CI/CD, Infrastructure as Code)• Monitor systems using tools like Prometheus, Grafana, and CNOM• Ensure compliance with security policies, hardening, and best practices• Participate in incident management, root cause analysis, and escalation handling
The skills you bring:
• 6-10+ years of experience in telecom core networks and cloud infrastructure• Solid understanding of 2G/3G/4G EPC and 5G Core architectures, including call flows, signaling, and interfaces• Protocol knowledge: GTP, Diameter, SCTP, PFCP, HTTP/2• Hands-on experience with OpenStack (preferred for telecom cloud) and Kubernetes (for CNFs)• Strong understanding of compute, storage, and networking in cloud environments, including virtualization and container orchestration• Strong troubleshooting and analytical skills with the ability to operate in 24/7 critical environments• Experience with Ericsson telco cloud platforms and exposure to 5G NSA & 5G SA deployments is a plus• Knowledge of network slicing and edge/cloud-native architectures• Familiarity with security, hardening, and compliance frameworks• Certifications preferred: Kubernetes (CKA/CKAD), OpenStack/VMware, or Ericsson vendor certifications• Strong ownership, problem-solving, communication, and stakeholder management skills• Bachelor's degree in Engineering, Computer Science, or a related field
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: Nigeria (NG) || Lagos
Req ID: 789718
Skills Required
- 6-10+ years of experience in telecom core networks and cloud infrastructure
- Understanding of 2G, 3G, 4G EPC, and 5G Core architectures, including call flows, signaling, and interfaces
- Knowledge of GTP, Diameter, SCTP, PFCP, and HTTP/2 protocols
- Hands-on experience with OpenStack
- Hands-on experience with Kubernetes
- Understanding of compute, storage, networking, virtualization, and container orchestration in cloud environments
- Strong troubleshooting and analytical skills in 24/7 critical environments
- Bachelor's degree in Engineering, Computer Science, or a related field
- Experience with Ericsson telco cloud platforms
- Exposure to 5G NSA and 5G SA deployments
- Knowledge of network slicing and edge or cloud-native architectures
- Familiarity with security, hardening, and compliance frameworks
- Kubernetes CKA or CKAD certification
- OpenStack or VMware certification
- Ericsson vendor certification
- Strong ownership, problem-solving, communication, and stakeholder management skills
What the Team is Saying
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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.
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