Rancher Kubernetes SME

Rancher & Kubernetes SME

Location:

Princeton - NJ - 08540 Mode:
Contract (6+ Months) – Onsite

• Design and implement Rancher-managed Kubernetes clusters (RKE, RKE2, K3s, EKS, AKS, GKE).
• Architect high availability (HA) Rancher setups.
• Define multi-cluster and multi-tenant strategies using Rancher projects, name spaces, and RBAC.
• Integrate Kubernetes with VMware, Bare Metal, and Cloud platforms.
• Establish standardized cluster blueprints and reference architectures.
• Act as final escalation (L3) for Kubernetes and Rancher incidents.
• Diagnose and resolve Control plane failures
  • etcd performance and corruption issues
  • Pod scheduling and node pressure issues
  • CNI (Calico / Cilium) networking problems
  • CSI storage failures (Ceph, Longhorn, EBS, Azure Disk, NFS)
• Perform root cause analysis (RCA) and provide preventive recommendations.
• Install, upgrade, and maintain Rancher Server.
• Manage cluster life cycles using Rancher UI & APIs.
• Implement and manage Rancher RBAC, Authentication (AD / LDAP / Azure AD / SSO)
• Global & cluster-level policies
• Maintain Rancher backups, DR, and recovery procedures
• Enforce Kubernetes security best practices like Pod Security Standards (PSS)
• Network policies and Secrets management
• Integrate Kubernetes with CI/CD tools e.g., Git Hub Actions, Git Lab CI, Jenkins, Argo CD
• Enable Git Ops workflows for application and cluster configuration.
• Support Helm chart development and lifecycle management.
• Assist development teams with Deployment strategies, Resource optimization
• Troubleshooting application issues on Kubernetes

• 6–10+ years in Linux / Infrastructure / Cloud
• 3–5+ years hands-on Kubernetes production experience
• Strong expertise in Rancher (RKE / RKE2 / K3s)
• Deep understanding of:
  • Kubernetes control plane
  • etcd
  • Networking (CNI)
  • Storage (CSI)

Diverse Lynx LLC is an Equal Employment Opportunity employer. All qualified applicants will receive due consideration for employment without any discrimination. All applicants will be evaluated solely on the basis of their ability, competence and their proven capability to perform the functions outlined in the corresponding role. We promote and support a diverse workforce across all levels in the company.