Cloud System Expert

About This Opportunity

At Ericsson, we are on a mission to continuously reinvent ourselves — enabling connectivity and digital transformation at a global scale. We are looking for a skilled Cloud Native Infrastructure (CNIS) Engineer with deep hands-on expertise across cloud-native platforms, software-defined infrastructure, enterprise networking, and Linux systems administration.

This role places you at the heart of Ericsson's cloud infrastructure delivery, working with industry-leading technologies that power telecom and enterprise environments worldwide.

What you will do:

End-to-end administration and operations of Ericsson CNIS platforms including Kubernetes, container runtimes, and cloud-native infrastructure components Manage and optimize Ericsson Cloud Container Distribution (CCD), covering provisioning, upgrades, backup/restore, lifecycle management, and disaster recovery readiness Perform CCD health checks, configuration drift analysis, capacity tracking, and environment validation across clusters Work closely with application and platform teams to onboard workloads and provide CCD-level support Implement Infrastructure-as-Code (IaC) practices using Ansible for automation of CNIS and CCD tasks Monitor system performance and availability using tools like Prometheus, Grafana, and related observability platforms Ensure compliance with security, governance, and operational policies Participate in and lead DR planning, execution, and Root Cause Analysis (RCA) of major incidents Maintain detailed runbooks, Method of Procedures (MOPs), and CNIS documentation for operational readiness

The skills you bring:

Hands-on experience with Calico, Multus, CNI plugins, Ceph (SDS), and CSI drivers Compute host-level cluster configuration, SDI health monitoring, and bottleneck resolution Working knowledge of SDN concepts, service chaining, and programmable infrastructure Strong troubleshooting experience across CNIS components Hands-on experience with Juniper and Extreme Networks switching platforms Configuration of VLANs, trunking, port profiles, and ACLs Border leaf switch management, firmware upgrades, backup/restore, and fault troubleshooting Understanding of SDN integration with container networking layers including Calico Traffic filtering, network isolation, and multi-tenant CNIS network architecture Performance analysis, switch stacking, component replacement, and chassis management Advanced RHEL administration including LVM, MPIO, cluster configurations, and OS tuning Patch management, firmware upgrades, backup/recovery scheduling and validation Performance troubleshooting, kernel-level analysis, and log auditing SAN topology, host-side storage integration, and network storage troubleshooting Hardware troubleshooting on HP ProLiant and Dell PowerEdge servers Strong knowledge of ITIL processes — incident, problem, and change management Ability to lead Root Cause Analysis (RCA) for major CNIS, network, and infrastructure incidents.