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:
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End-to-end administration and operations of Ericsson CNIS platforms including Kubernetes, container runtimes, and cloud-native infrastructure components
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Manage and optimize Ericsson Cloud Container Distribution (CCD), covering provisioning, upgrades, backup/restore, lifecycle management, and disaster recovery readiness
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Perform CCD health checks, configuration drift analysis, capacity tracking, and environment validation across clusters
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Work closely with application and platform teams to onboard workloads and provide CCD-level support
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Implement Infrastructure-as-Code (IaC) practices using Ansible for automation of CNIS and CCD tasks
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Monitor system performance and availability using tools like Prometheus, Grafana, and related observability platforms
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Ensure compliance with security, governance, and operational policies
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Participate in and lead DR planning, execution, and Root Cause Analysis (RCA) of major incidents
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Maintain detailed runbooks, Method of Procedures (MOPs), and CNIS documentation for operational readiness
The skills you bring:
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Hands-on experience with Calico, Multus, CNI plugins, Ceph (SDS), and CSI drivers
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Compute host-level cluster configuration, SDI health monitoring, and bottleneck resolution
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Working knowledge of SDN concepts, service chaining, and programmable infrastructure
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Strong troubleshooting experience across CNIS components
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Hands-on experience with Juniper and Extreme Networks switching platforms
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Configuration of VLANs, trunking, port profiles, and ACLs
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Border leaf switch management, firmware upgrades, backup/restore, and fault troubleshooting
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Understanding of SDN integration with container networking layers including Calico
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Traffic filtering, network isolation, and multi-tenant CNIS network architecture
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Performance analysis, switch stacking, component replacement, and chassis management
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Advanced RHEL administration including LVM, MPIO, cluster configurations, and OS tuning
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Patch management, firmware upgrades, backup/recovery scheduling and validation
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Performance troubleshooting, kernel-level analysis, and log auditing
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SAN topology, host-side storage integration, and network storage troubleshooting
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Hardware troubleshooting on HP ProLiant and Dell PowerEdge servers
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Strong knowledge of ITIL processes — incident, problem, and change management
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Ability to lead Root Cause Analysis (RCA) for major CNIS, network, and infrastructure incidents.
