Cloud System Expert

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.

Responsibilities

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

Requirements

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; All academic credentials must be from recognized and accredited institutions and are further subject to verification.