Engineer- Cloud (NFVI/CNIS)

Technology, Data & Digital · IT Infrastructure & Security · Cloud Engineering · DevOps

In short

As a CNIS Engineer, you will be responsible for the design, deployment, administration, and lifecycle management of Ericsson’s CNIS-based infrastructure, including Kubernetes platforms, Cloud-Native networking, Rook/Ceph storage, and CNF onboarding for 5G core networks. The role requires strong hands-on experience in Kubernetes, CNIs, storage, Linux, networking, and Ericsson-specific tools.

Responsibilities

Design, deployment, administration, and lifecycle management of Ericsson’s CNIS-based infrastructure.
Deep hands-on work in Kubernetes platforms, Cloud-Native networking, Rook/Ceph storage, and CNF onboarding for 5G core networks and telecom workloads.
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.
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 (certifications like CKA/CNCF preferred).
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.
Syslog knowledge and experience.
PKI knowledge and experience.

Desired Qualifications

Familiarity with Ericsson CNIS framework is strongly preferred.
CKA/CNCF certifications are preferred.

Benefits

Outstanding opportunity to use your skills and imagination to push the boundaries of what's possible.
Build solutions never seen before to some of the world's toughest problems.
Be challenged, but not alone; join a team of diverse innovators.
Opportunity to go beyond the status quo to craft what comes next.

Skills

KubernetesCloud-Native networkingRook/Ceph storageCNF onboardingRancherRKE2CEEkubeadmMultusCalicoSR-IOVCSIRookCephSyslogPKISDIJuniperExtreme SLX switchesBGPVLANVXLANIPAMLDAPKeycloakSSOIAMESMPrometheusGrafanaEFKELKLokikubectlcephLinuxRHELCentOSUbuntuHelmYAMLGitENMCENXEO-EVNFMOMC

#CNIS#NFVI#Cloud#Kubernetes#5G#Telecom#Networking#Storage

About Ericsson

Pioneering technology for connecting billions of people worldwide

Our purpose \nTo create connections that make the unimaginable possible.\n\nOur vision\nA world where limitless connectivity improves lives, redefines business and pioneers a sustainable future.\n\nOur values\nPerseverance, professionalism, respect and integrity.\n\nThe future is a place for purpose & vision – ours are clear, and we invite partners, customers and consumers to join us in our journey. \n\nFor a brighter future. For all. Let's #ImaginePossible

See all open jobs at Ericsson Read more about Ericsson Website