Engineer- Cloud (NFVI/CNIS)

Ericsson GmbH; Dadri; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Ericsson GmbH in India is seeking a CNIS Engineer to design, deploy, and manage CNIS-based infrastructure for 5G core workloads. You will work hands-on with Kubernetes clusters, CNI plugins, and CNIS storage solutions, ensuring high availability and secure operations.

Responsibilities include deploying CNIS platforms, managing Helm deployments, and performing lifecycle maintenance. Strong Kubernetes skills and experience with CNIs and Rook/Ceph are essential for success.

Qualifications

• 2–12 years of experience in cloud-native infrastructure or telco platforms.
• Strong hands-on in Kubernetes (CKA/CNCF preferred).
• Expertise in CNIs (Multus, Calico, SR-IOV), Storage (Rook/Ceph).
• Experience with Helm, YAML, Git.

Responsibilities

• Deploy and operate CNIS platforms on bare-metal or virtual infrastructure.
• Manage Kubernetes clusters with Rancher (RKE2), CEE, or kubeadm.
• Configure networking (Multus, Calico, SR-IOV) and storage (Rook/Ceph).
• Monitor, troubleshoot, and upgrade CNIS-based workloads and CNFs.
• Ensure security posture using Kubernetes RBAC and IAM integrations.

Skills

Kubernetes

CNIS

CNIs (Multus)

SR-IOV

Rook/Ceph

Helm

YAML

Git

Tools

Rancher (RKE2)

Kubeadm

EEcm tools (ENM/CENX)

Job description

Join our Team

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:

• 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)
  • 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.
• Familiarity with Ericsson CNIS framework is strongly preferred.
• All academic credentials must be from recognized and accredited institutions and are further subject to verification.

Why join Ericsson?

At Ericsson, you´ll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what´s possible. To build solutions never seen before to some of the world’s toughest problems. You´ll be challenged, but you won’t be alone. You´ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.

Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer.

Primary country and city: India (IN) || Req ID: 781163