Senior 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

Install and configure CNIS platforms on bare-metal or virtual infrastructure; Set up and manage ECCD/Kubernetes clusters using 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, upgrades and troubleshooting; 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; Configure pod and service networking, BGP peering, VLAN/VXLAN overlays, and L2/L3 IP planning; Implement and audit network policies, RBAC, and security postures; Integrate LDAP/Keycloak/SSO for user authentication and IAM; 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

4–12 years of experience in cloud-native infrastructure or telco platforms; Strong hands-on in Kubernetes; Expertise in CNIs (Multus, Calico, SR-IOV); Storage (Rook/Ceph, CSI); Linux (RHEL/CentOS/Ubuntu); Networking (L2/L3, BGP, VLAN, IPAM, Juniper/Extreme Switches); Experience with Helm, YAML, Git; Ericsson tools: ENM, CENX, EO-EVNFM, OMC & ESM

Nice to have

Kubernetes certifications (CKA/CNCF); Familiarity with Ericsson CNIS framework