Packet Core and Cloud Infra SME at Ericsson

Ericsson (Telefonaktiebolaget L. M. Ericsson) is a Swedish multinational provider of communications technology and services. The offering comprises services, software and infrastructure within Information and Communications Technology (ICT) for telecom operators and other industries, including telecommunications and IP networking equipment, mobile and fixed broadband, operations and business support solutions, cable TV, IPTV, video systems, and an extensive services operation. Ericsson has a market share of 35% (in 2012) in the 2G/3G/4G mobile network infrastructure market.[3]

Ericsson is a strong holder of essential patents in the wireless industry and have approximately 35,000 granted patents in 2012. Ericsson complies with terms that are fair, reasonable and non-discriminatory (FRAND) for its patent licensing programs and is a net receiver of licensing royalties.

Founded in 1876 by Lars Magnus Ericsson,[4] the company is today headquartered in Stockholm, Sweden. The company employs more than 110,000 and work with customers in more than 180 countries, including the US, China, India, Brazil, Japan, South Africa, Australia, Germany, Italy, the UK, and Sweden.
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 team