Assistant General Manager - Infra and IT - SCO

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.

. 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.