About this opportunity:
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.
Key Responsibilities:
️ CNIS Deployment & Operations
-
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 opration Issues.
Infrastructure & Storage
-
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.
Networking & Security
-
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.
Monitoring & Troubleshooting
-
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.
Required Skills & Experience:
4–12 years of experience in cloud-native infrastructure or telco platforms.-
Strong hands-on in Kubernetes (certifications like CKA/CNCF preferred).
-
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:
-
Ericsson tools: ENM, CENX, EO-EVNFM, OMC & ESM.
-
Familiarity with Ericsson CNIS framework is strongly preferred.