3.0 - 7.0 years

2 - 3 Lacs

Chennai

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Job Title: Linux System Administrator Experience: 3+ Years Location: Chennai Employment Type: Full-time Shift : 24*7 Only Male candidates can apply Desired Candidate Profile: 3 to 7 years of relevant hands-on Linux administration experience Must have worked in a production server environment or data center setup Familiarity with Linux security patching, LVM, routing, and user management Exposure to Exacc, Exadata, Kubernetes, and virtualization platforms is preferred Good communication and coordination skills for cross-team collaboration (DC, NOC, field engineers) Proactive approach towards issue diagnosis and resolution Primary Skills: Linux OS troubleshooting (RHEL) File system housekeeping (root, /var, /tmp) Memory & CPU diagnostics LVM creation & management Server patching (Linux, Exacc, Kubernetes) ServiceNow (SR/Case ID management) Networking basics, port checks, and routing Kubernetes: pod restarts, replicas scaling Exadata, Exacc OS & Infra patching Mount points, NFS/ZFS, Solaris fault clearing Server reboot via ILOM Qualys agent & SIEM configuration VM migration (PCC) and patching Hardware replacement coordination (HDD, DIMM, PCIe, IB switches) Monitoring tool usage (Exawatcher, Oswatcher) Sneep installation and health monitoring (Exadata, NCB) Job Responsibilities: Perform routine and emergency Linux server troubleshooting Manage patching schedules, remediation, and vulnerability fixes Work closely with DC/NOC teams for port and network-related issues Create mount points, configure LVM, and assist in backup/mounting procedures Coordinate with field engineers for hardware replacements and perform post-checks Reset user passwords, unlock accounts, and configure password-less logins Handle Kubernetes pods/replica adjustments as part of patching Monitor systems using tools like Oswatcher, Exawatcher Perform baseline remediation and hardening based on vulnerability assessments Manage ticket lifecycle via ServiceNow (SR creation, follow-up, data submission)

Posted 1 month ago

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Redhat OpenShift SME ( immediate joiner) Agility Human Resource Management Services

8.0 - 13.0 years

30 - 40 Lacs

noida

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8+ years in Red Hat OpenShift / Kubernetes Platform Operations OpenShift SME / Platform Engineer to lead operations, performance optimization, and high-availability design of Red Hat OpenShift clusters across enterprise environments. You will be responsible for the health, scalability, and governance of OpenShift platforms while supporting complex troubleshooting and mentoring junior team members. You will act as the technical lead for OpenShift platform operations in a managed services model, working across hybrid cloud environments and enterprise infrastructure. Roles & Responsibilities Ensure cluster health and performance of production-grade OpenShift environments. Troubleshoot issues across control plane, nodes, SDN, storage (PVC), ingress/egress, and etcd. Plan and execute platform upgrades, patching, scaling, and multi-node infra management. Define and manage RBAC, quotas, Operators, MachineSets, and custom resource definitions (CRDs). Integrate and manage observability tools (Prometheus, Alertmanager, Grafana, EFK/ELK). Work with DevSecOps teams to automate security, backup, and governance policies. Own escalation management, interface with Red Hat support, and lead L2/L1 mentoring. Support disaster recovery, compliance, and business continuity planning Preferred candidate profile 5+ years in managing OpenShift or Kubernetes platform at enterprise scale. Hands-on experience with: Red Hat OpenShift (v4.x), OCP CLI, Operators, and Service Mesh Container runtimes (CRI-O), etcd, SDN/CNI (OVN/Kuryr), ingress controllers Storage (CSI, PVC, RWX, dynamic provisioning), GitOps (ArgoCD, Flux) Linux OS (RHEL 8+), scripting (Bash/Python/YAML), automation (Ansible/Terraform) CI/CD tools and pipeline troubleshooting (Jenkins, Tekton, GitLab) Understanding of storage backends (Ceph preferred), NTP/DNS/syslog integration, and cluster certificate renewal processes. Working knowledge of Red Hat Satellite, Quay, and multi-tenant OpenShift workloads Red Hat Certified Specialist in OpenShift Administration (EX280)

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