About this opportunity:
The Packet Core & Cloud Infrastructure SME is responsible for the architecture, deployment, and operations of telecom packet core systems running on virtualized and cloud-native infrastructures. This role bridges telecom core network expertise with deep knowledge of cloud platforms, ensuring resilient, scalable, and high-performing environments for 4G/5G services.
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• Drive automation and DevOps practices (CI/CD, Infrastructure as Code)• Ensure compliance with security policies, hardening, and best practices• Work closely with vendors, RAN, transport, and IT teams• Participate in incident management, RCA, and escalation handling
The skills you bring:
Packet Core Knowledge
• Solid understanding of 2G/3G/4G EPC and 5G Core architectures• Familiarity with call flows, signaling, and interfaces• Protocol knowledge: GTP, Diameter, SCTP, PFCP, HTTP/2
Cloud Infrastructure Expertise
• Hands-on experience with:• OpenStack (preferred for telecom cloud)• Strong understanding of:• Compute, storage, and networking in cloud environments• Virtualization and container orchestration
Operations
• Strong troubleshooting and analytical skills• Ability to operate in 24/7 critical environments
Qualifications
• Bachelor's degree in Engineering, Computer Science, or related field• 6-10+ years of experience in telecom core networks and cloud infrastructure• Certifications (preferred):• Kubernetes (CKA/CKAD)• OpenStack / VMware certifications
Preferred Experience
• Experience with Ericsson telco cloud platforms • Exposure to 5G NSA & 5G SA deployments• Knowledge of network slicing and edge/cloud-native architectures• Familiarity with security, hardening, and compliance frameworks• Experience in large-scale production environments
Key Attributes
• Strong ownership and accountability• Excellent problem-solving and decision-making skills• Effective communication and stakeholder management• Ability to lead technical initiatives and mentor teams
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: 793700
Skills Required
- Bachelor's degree in Engineering, Computer Science, or a related field
- 6-10+ years of experience in telecom core networks and cloud infrastructure
- Strong understanding of 2G, 3G, 4G EPC, and 5G Core architectures
- Familiarity with telecom call flows, signaling, and interfaces
- Knowledge of GTP, Diameter, SCTP, PFCP, and HTTP/2 protocols
- Hands-on experience with OpenStack
- Strong understanding of cloud compute, storage, networking, virtualization, and container orchestration
- Strong troubleshooting and analytical skills in 24/7 critical environments
- Kubernetes certification such as CKA or CKAD
- OpenStack or VMware certification
- Experience with Ericsson telco cloud platforms
- Experience with 5G NSA and 5G SA deployments
- Knowledge of network slicing and edge or cloud-native architectures
- Familiarity with security, hardening, and compliance frameworks
- Experience in large-scale production environments
What the Team is Saying
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Ericsson Compensation & Benefits Highlights
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Retirement Support — An automatic employer contribution of 3% plus up to 4% in matching is outlined for U.S. employees, enabling a potential 7% total employer contribution subject to plan rules. Feedback suggests this is a standout element of the package.
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Leave & Time Off Breadth — The U.S. package specifies at least 15 vacation days for new hires, up to 3 personal days, 11 holidays, and 80 hours of sick time, with flexibility noted in taking time away. Feedback suggests time‑off breadth and usability are strong points.
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Parental & Family Support — Published materials describe up to 16 weeks of paid maternity leave and 6 weeks of paid parental or adoption leave at 100% of pay, subject to eligibility. Feedback suggests these policies provide meaningful support for families.
Ericsson Insights
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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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.
