Design, deploy, administer, and lifecycle-manage Ericsson CNIS infrastructure and Kubernetes clusters. Configure CNIs/CSI, manage Rook/Ceph storage, implement networking (BGP/VLAN/VXLAN), integrate authentication (LDAP/Keycloak), onboard CNFs, monitor with Prometheus/Grafana/EFK, troubleshoot infrastructure and CNFs, and use Ericsson operational tools (ENM, CENX, OMC, ESM).
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
Infrastructure & Storage
Networking & Security
Monitoring & Troubleshooting
Required Skills & Experience:
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.
What happens once you apply? Click Here to find all you need to know about what our typical hiring process looks like.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. learn more.
Primary country and city: India (IN) ||
Req ID: 781163
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.
What happens once you apply? Click Here to find all you need to know about what our typical hiring process looks like.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. learn more.
Primary country and city: India (IN) ||
Req ID: 781163
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Ericsson Kolkata Hub Office
Planned smart‑green New Town with wide roads, parks and malls, minutes from the airport and close to Salt Lake’s IT hub. Eco Park and business parks like Ecospace add leisure and convenience for families and professionals.
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