Cloud Engineer

As a CNIS Engineer, you will be responsible for the design, deployment, administration, and lifecycle management of Ericsson’s CNIS-based infrastructure. This includes deep hands-on work in Kubernetes platforms, Cloud-Native networking, Rook/Ceph storage, and CNF onboarding for 5G core networks and telecom workloads.

Responsibilities

Design, deployment, administration, and lifecycle management of Ericsson’s CNIS-based infrastructure; Install and configure CNIS platforms on bare-metal or virtual infrastructure; Set up and manage ECCD/Kubernetes clusters using tools like Rancher (RKE2), CEE, or kubeadm; Configure CNI plugins (Multus, Calico, SR-IOV) and CSI drivers (Rook/Ceph); Manage Day to Day operations for CNFs including Helm deployments, scaling, and upgrades and troubleshooting for existing operation Issues; Manage Rook-Ceph clusters and troubleshoot persistent storage issues; Monitor hardware health (compute/storage/network) and ensure infrastructure compliance; Support cluster high availability, resilience, and performance tuning; Syslog, PKI Knowledge and experience; Hands on experience on SDI/Juniper/Extreme SLX switches; Configure pod and service networking, BGP peering, VLAN/VXLAN overlays, and L2/L3 IP planning; Implement and audit network policies, RBAC, and security postures using standard Kubernetes practices; Integrate LDAP/Keycloak/SSO for user authentication and IAM; Hands on on ESM; Integrate Prometheus/Grafana, EFK/ELK or Loki for observability; Use kubectl, ceph, and Linux tools for troubleshooting nodes, pods, storage, and networking; Analyse CNF behaviour during failures and generate RCA documentation; Use Netcool & OMC for monitoring

Requirements

2–12 years of experience in cloud-native infrastructure or telco platforms; Strong hands-on in Kubernetes; Expertise in CNIs (Multus, Calico, SR-IOV); Expertise in Storage (Rook/Ceph, CSI); Expertise in Linux (RHEL/CentOS/Ubuntu); Expertise in Networking (L2/L3, BGP, VLAN, IPAM, Juniper/Extreme Switches); Experience with Helm, YAML, Git; Experience with Ericsson tools: ENM, CENX, EO-EVNFM, OMC & ESM

Nice to have

CKA/CNCF certification; Familiarity with Ericsson CNIS framework