30 Oct 2026
Closing date TBC| Key responsibilities |
Linux Administration • Install, configure, administer, patch, upgrade and troubleshoot RHEL and Oracle Linux servers. • Manage Linux systems across physical, VMware and cloud environments, including users/groups, sudo, SSH, systemd, cron, DNS, NTP and network configuration. • Administer file systems, LVM, NFS, SAN/NAS connectivity and multipathing; troubleshoot CPU, memory, disk I/O, kernel and network issues. • Perform OS hardening, vulnerability remediation, package/repository management using YUM/DNF and capacity planning. • Develop Bash/Shell automation for health checks, operational tasks and reporting. Oracle Database Administration • Install, configure, administer, patch, upgrade and troubleshoot Oracle databases, including supported enterprise versions such as 12c/19c and later. • Manage instances, schemas, users, roles, privileges, tablespaces, listeners, initialization parameters and database storage. • Monitor and tune SQL performance using AWR, ASH, ADDM, Explain Plan, SQL Trace, wait events, SGA/PGA and session analysis. • Manage RMAN backup, restore and recovery, database cloning/refresh, migrations and point-in-time recovery. • Configure and support Data Guard, replication, DR architectures, ASM and RAC environments where applicable. • Plan and execute Oracle Release Updates/security patching and troubleshoot archive log, corruption, storage and recovery issues. PostgreSQL Database Administration • Install, configure, administer, patch, upgrade and troubleshoot PostgreSQL databases and clusters. • Manage roles, privileges, schemas, tablespaces, extensions and configuration files including postgresql.conf and pg_hba.conf. • Tune queries, connections, memory, locks, transactions, indexes, checkpoints, autovacuum and database/storage growth. • Manage pg_dump/pg_restore, pg_basebackup, WAL archiving and Point-in-Time Recovery. • Configure and support streaming replication and HA solutions such as Patroni, repmgr or equivalent where implemented. • Perform major/minor upgrades, migrations, refreshes and troubleshoot replication lag, deadlocks, blocking and table/index bloat. Microsoft SQL Server Administration • Install, configure, administer, patch, upgrade and troubleshoot Microsoft SQL Server databases. • Manage databases, logins/users, permissions, database files, TempDB, SQL Agent jobs and maintenance activities. • Configure and support Always On Availability Groups, Failover Cluster Instances, log shipping and replication where applicable. • Manage full, differential and transaction-log backups and point-in-time recovery. • Monitor and troubleshoot blocking, deadlocks, CPU/memory pressure, disk latency, waits and long-running queries. • Perform query tuning, index/statistics management, SQL Server cumulative updates and integration with Active Directory authentication. Backup, Recovery & Disaster Recovery • Define and maintain database backup standards, retention, restore procedures and recovery runbooks. • Coordinate with enterprise backup teams and regularly validate restore capability for Oracle, PostgreSQL and SQL Server. • Participate in DR drills and validate RPO, RTO, replication status and application-consistent recovery. Performance, Capacity & Availability • Proactively monitor Linux and database performance across CPU, memory, disk, storage latency, network and SQL workloads. • Perform capacity forecasting for database growth, tablespaces, file systems, transaction logs, WAL/archive logs and infrastructure resources. • Work with application teams to optimize SQL and recommend scaling or configuration improvements. Security, Compliance & Lifecycle • Implement Linux/database hardening, least-privilege access, privileged/service account reviews and vulnerability remediation. • Plan and execute Linux patching, Oracle Release Updates, PostgreSQL updates and SQL Server Cumulative Updates. • Track end-of-support versions and develop upgrade/migration plans; support audit evidence and compliance closure. Monitoring, Incident & Problem Management • Configure proactive monitoring and alerts for availability, resource utilization, storage capacity, replication, backup failures, locks and database growth. • Own troubleshooting of P1/P2 production incidents, perform RCA and drive corrective/preventive actions. • Participate in on-call support for business-critical production systems. Automation, Change & Documentation • Automate repeatable activities using Bash/Shell, SQL, PL/SQL and PowerShell; Python/Ansible exposure is desirable. • Follow ITIL change management, prepare implementation/rollback/validation plans and participate in CAB as required. • Maintain server/database inventory, architecture/topology diagrams, SOPs, runbooks, backup/DR procedures, patch schedules and capacity reports. |
| QUALIFICATIONS & COMPETENCIES | |
| Skills and Competencies |
• Strong hands-on Linux administration: RHEL / Oracle Linux, LVM, multipathing, NFS, SAN/NAS, systemd, SSH, TCP/IP, DNS, NTP and Shell scripting. • Strong Oracle DBA skills: RMAN, Data Guard, AWR/ASH/ADDM, SQL tuning, patching, recovery, ASM; RAC knowledge preferred. • Strong PostgreSQL skills: streaming replication, WAL, PITR, pg_dump/pg_restore, pg_basebackup, Vacuum/Autovacuum, query optimization and upgrades. • Strong Microsoft SQL Server skills: Always On, backup/recovery, SQL Agent, performance tuning, indexes/statistics, blocking/deadlock analysis and patching. • Good understanding of VMware, storage, enterprise backup, Active Directory, networking, high availability, disaster recovery and cloud infrastructure. • Strong troubleshooting, analytical thinking, ownership, documentation, stakeholder communication and vendor coordination. |
| Stakeholder | Internal: Application Teams, Infrastructure Teams, Cloud Team, Network Team, Storage & Backup Team, Cyber Security/SOC, Service Desk, IT Leadership, Business/BU IT Teams External: OEMs, Database/OS Support Vendors, Managed Service Providers and Technology Partners |
| Educational Qualification (min) | Engineering Graduate or Equivalent in Computer Science / Information Technology / Electronics or relevant technical discipline |
| Preferred Certifications if any | RHCSA / RHCE; Oracle OCP; PostgreSQL certification; Microsoft SQL Server / Azure Database certification; AWS or Azure certification; ITIL Foundation |
| Range/ Min no of years - of overall Experience required | 8-12+ Years overall IT Infrastructure / Database Administration experience, including minimum 5 years of hands-on Linux administration and strong production DBA experience in at least two of Oracle, PostgreSQL and Microsoft SQL Server. |
| Min no of years of Industry specific experience required, if any & the industry type | Minimum 5 years supporting enterprise production environments. Experience in Logistics, Ports & Terminals, Warehousing, 3PL, Manufacturing or other 24x7 mission-critical environments is preferred. |
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