Senior Oracle & SQL DBA - HA/DR & Performance

Tangent International; Riyadh; On-site; SAR 391,000 - 580,000; Full time

Job summary

Tangent International is seeking a Senior Database Administrator to provide L2 database support for an enterprise BSS environment. You will manage Oracle 19c+ and SQL Server 2017/2019 in production, ensure availability, performance, and security, and partner with BSS teams for migrations and DR testing.

The role emphasizes hands-on expertise in Oracle RAC/Data Guard and SQL Server AG, with strong scripting, change management, and incident handling. Excellent English communication required.

Qualifications

• 8–12 years’ experience in Oracle and/or Microsoft SQL Server database administration.
• Expert Oracle 19c knowledge, including RAC, Data Guard, RMAN, ASM, partitioning and performance tuning.
• Strong SQL Server knowledge, including Always On AG, SQL Agent and T-SQL.
• Oracle performance diagnostics using AWR, ADDM and ASH.
• SQL Server performance analysis using Query Store.
• Strong PL/SQL and T-SQL scripting capability.
• Hands‑on backup, restore, HA and DR experience.
• Database security knowledge including TDE, auditing and privilege management.
• ITIL awareness covering incident and change management.
• Strong written and spoken English.

Responsibilities

• Administer Oracle 19c+ and Microsoft SQL Server 2017/2019 production environments.
• Monitor database health and proactively identify performance and capacity issues.
• Troubleshoot L2 incidents including ORA errors, lock contention, space issues, SQL deadlocks and performance degradation.
• Manage Oracle RAC and Data Guard HA/DR environments.
• Support SQL Server Always On Availability Groups and Failover Cluster Instances.
• Perform query optimisation, index management, statistics maintenance and execution plan analysis.
• Manage Oracle RMAN and SQL Server backup and restore operations.
• Administer Oracle ASM, tablespaces and database storage capacity.
• Apply Oracle Critical Patch Updates and SQL Server service packs through established change processes.
• Manage database users, roles, privileges, encryption and auditing.
• Support schema changes, data migrations and database performance tuning alongside BSS application teams.
• Participate in DR testing and database failover/switchover exercises.
• Maintain database documentation, configuration records and CMDB information.
• Respond to database incidents escalated from L1/NOC teams.

Skills

Oracle 19c

SQL Server

RAC

Data Guard

RMAN

ASM

T-SQL

PL/SQL

Backup/HA/DR

AWR

ADDM

ASH

SQL Server AG

SQL Server 2017/2019

Security & Auditing

Tools

AWR

ADDM

ASH

Query Store

Job description

Tangent International is seeking a Senior Database Administrator to provide L2 database support for an enterprise BSS environment. You will manage Oracle 19c+ and SQL Server 2017/2019 in production, ensure availability, performance, and security, and partner with BSS teams for migrations and DR testing.

The role emphasizes hands-on expertise in Oracle RAC/Data Guard and SQL Server AG, with strong scripting, change management, and incident handling. Excellent English communication required.