Senior DevOps Engineer – Kubernetes & Rancher Platform Specialist

5 years

0 Lacs

Posted:3 days ago| Platform: Linkedin logo

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On-site

Job Type

Full Time

Job Description

Job Summary:


Senior DevOps Engineer (Rancher RKE2 + Kubernetes Expert)

Location - Kochi, Kerala – 100% On-site

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We are urgently hiring a hands-on Senior DevOps Engineer with deep production expertise in RKE2/Rancher-based Kubernetes platforms, Red Hat Enterprise Linux administration, security hardening, and full-stack observability in a highly regulated (PCI-DSS, RBI) environment.


Key Responsibilities:


  • Administer large-scale production RKE2 Kubernetes clusters using Rancher (multi-cluster & multi-tenant)
  • Perform cluster/node upgrades, certificate rotation, ingress updates, etcd backup-restore, HA setup & DR drills
  • Deep administration and troubleshooting of Red Hat Enterprise Linux 8/9 nodes (host OS for all control-plane & worker nodes)
  • Manage and tune the complete ELK stack (Elasticsearch, Logstash, Filebeat/Winlogbeat, Kibana) for centralized logging
  • Deploy, upgrade and maintain Prometheus, Grafana, Alertmanager, Loki, Promtail
  • Administer self-hosted GitLab, GitLab Runners, secure CI/CD pipelines and kubeconfig generation
  • Install, upgrade and operate Keycloak clusters (OIDC, SSO + 2FA, LDAP/AD sync)
  • Configure and optimize HAProxy (TLS, real-IP forwarding, security headers)
  • Enforce CIS hardening on both Kubernetes and underlying RHEL hosts (non-root, seccomp, SELinux, auditd, firewall)
  • Lead security remediation, VA/PT finding closure and compliance (PCI-DSS, SISA, RBI)
  • Onboard & migrate applications (Java, .NET, Angular, Mendix) to Kubernetes
  • Build heavy automation using Ansible, Bash and Python.


Must-Have Skills & Experience:


  • 5+ years of production DevOps / Platform Engineering experience
  • Expert-level RKE2 + Rancher administration (mandatory)
  • Very strong Red Hat Enterprise Linux 8/9 administration and hardening (RHEL subscriptions, satellite, SELinux, firewalld, auditd, SSH hardening, etc.)
  • Hands-on setup and operations of ELK/EFK stack at scale (cluster tuning, index management, retention policies, hot-warm-cold architecture, security roles)
  • Deep Kubernetes internals – Calico/Cilium, Ingress-NGINX, certificates, etcd, networking, security contexts
  • Production experience with Prometheus + Grafana + Loki stack
  • Self-hosted GitLab administration and GitLab Runner fleet management
  • Keycloak clustering and integration with GitLab, Rancher, Grafana, etc.
  • Strong HAProxy configuration and troubleshooting
  • CIS benchmarking & hardening for both Kubernetes and RHEL
  • Ansible automation and scripting (Bash/Python)
  • Proven track record of executing Kubernetes DR drills


Nice-to-Have Skills:


  • Red Hat Certified Engineer (RHCE) or RHCA, CKA/CKS, Rancher certification
  • Longhorn, OpenEBS or other CSI drivers
  • ArgoCD / Flux


Job Type: Full-time


Ability to commute/relocate:

  • Kochi, Kerala: Reliably commute or planning to relocate before starting work (Required)


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