Linux (RHEL) & OCP Administration

Inspirisys; Dadri; On-site; INR 700,000 - 1,100,000; Full time

Job summary

Inspirisys is seeking a seasoned Linux Systems Engineer in India to install, configure, and manage RHEL OS with cluster deployments (2-3 nodes) and OpenShift/Kubernetes orchestration. You will handle patching, server hardening, VMs, DB installations (Oracle, MS-SQL, MySQL) and ensure secure, compliant operations across data centers.

Responsibilities span incident response, performance tuning, audit remediation, and coordination with vendors. Strong automation and monitoring skills are valued.

Responsibilities

• Installations/Re-installation & Configuration of RHEL OS with cluster deployment (2-3 nodes).
• OpenShift/Kubernetes installation & configuration with cluster management.
• Database installation on VMs (Oracle, MS-SQL, MySQL).
• Patch management and audit/VAPT closure activities on OS/hardware/middleware.
• OS hardening, security policy compliance, and firmware upgrades.
• Server provisioning, capacity planning, and log/monitoring upkeep.
• Incident handling, RCA preparation, and change management support.
• Backup and recovery operations for databases and services.

Job description

Role & responsibilities

• Installations/Re-installation & Configuration of RHEL OS as per requirement like Cluster Deployment and Formation (2 or 3 node, Active/Passive).
• Installation & configuration along with Cluster Management or Orchestrator required for managing and deploying the OCP/OKE containers as per the recommendation of the RHEL.
• Installation & creation of databases (Oracle, MS-SQL, MY-SQL) on the VMs with RHEL OS as and when required.
• Openshift Container/Kubernetes installation & configuration along with Cluster Management required for managing and deploying the containers as per the recommendation of the Redhat.
• Patch Management (Update / Preview / Rollback)
• Timely Implementation & Closure of Audit/VAPT recommendations on OS/Hardware/ Middleware/Servers:
• VAPT Closures, OS hardening, OS Patching, Upgrade at OS level/version, Firmware level & Hardware level, OS Troubleshooting
• Hardening of Servers, Carrying Server Configurations, Patching of Server so that it complies with Bank's security policy & Audit observations.
• Extra VM/VSAN-Node Creation and/or Deletion.
• Upgrade/Downgrade of OS and firmware for in place upgrades from Lower to Higher Stable Version (or vice versa) on servers and hardware.
• Installation, configuration and troubleshooting of Runtimes and middlewares like IIS, JBoss etc.
• Orderly startup and shutdown of SERVER listener services, databases and database servers.
• Monitor & create RHEL Server Replication, functioning and related parameters
• Managing / reconfiguring terminal services, cluster services, file servers
• Cluster Administration/Installation/Re-installation
• Server Installation, Reinstallation and configuration due to incident
• Managing Disk space, Processor Utilization, Network Utilization related to server
• Support during Software Installation
• Linux messaging and security solutions
• Volume Management, File System Management, Console Management
• Logical Partitioning and Administration
• Review of daily/weekly/monthly checklist
• Repeat Incident / Alert Analysis
• Necessary support for restoration, change management activities, downtimes and during DC-DR drills.
• Preparation of MIR /RCA for Major Incidents
• Vendor coordination
• Incident / Request Fulfillment / Change management
• Event log analysis at regular interval for maintaining the integrity of servers
• Capacity planning related to hardware
• Reinstallation / Reconfiguration support for existing instances if required.
• Performing session level audits
• Import, export, taking archives of databases
• Various types of database backups and all applications
• Database native backup operations like RMAN etc
• Resolution of DB Crash / Rebuild due to Incident
• Resolution of DB Instance Hung/Terminated unexpectedly
• Installation and configuration of Database software and creation of databases in various environments
• Ensure up-to-date DB security patches are applied and verified
• Assisting in complete recovery and restoration of databases
• Monitoring space, memory structures in Oracle/SQL SERVER and performance of SGA, queries and taking preventive measures when necessary
• Creation and alteration of database objects