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You will take on a staff, hands-on role within the database team, directly supporting the 24/7 operation of MSS and customer databases. You will be actively involved in the design, administration, and support of database systems across development, test, and production environments. You’ll be expected to take ownership of complex technical work-resolving incidents, delivering technical implementations, and working closely with engineers, project teams, and stakeholders to ensure robust, secure, and high-performing database services under high transaction volumes.
Job Responsibility:
Take ownership of complex database activities including performance tuning, troubleshooting, migrations, and architecture design
Act as a senior technical escalation point for complex incidents
Participate in a 24/7 on-call rotation to support critical production systems
Promote and apply best practices in database administration, tuning, query optimisation, documentation, and automation
Perform hands-on installation, configuration, tuning, patching, and upgrading of Oracle 12c/18c/19c on Linux and Windows platforms
Ensure optimal performance and availability through proactive monitoring and tuning
Design, implement, and maintain backup and recovery strategies using RMAN and Data Guard
Create and maintain operational documentation and configuration standards
Analyse and optimise SQL queries using execution plans, AWR/ASH reports, SQL Trace, and Oracle Diagnostics Pack
Identify and remediate inefficient SQL, poor indexing strategies, and suboptimal optimizer statistics
Investigate and resolve locking, blocking, and deadlock scenarios
Work with application and engineering teams to improve query design, schema structures, and transaction handling
Tune memory structures (SGA/PGA), I/O, and resource usage
Design and implement cloud-based database solutions using AWS RDS and OCI DBaaS
Perform hands-on migrations from on-premises to cloud environments using tools such as Oracle GoldenGate
Monitor and optimise cloud resource utilisation
Implement and maintain database security controls including auditing, encryption, and access management
Carry out patching and vulnerability remediation
Ensure systems meet compliance and regulatory requirements
Define and track technical KPIs related to database uptime, performance, reliability, and query efficiency
Use tools such as Oracle Diagnostics Pack, OEM, Zabbix, and Grafana to monitor system health
Perform detailed root cause analysis for performance incidents
Implement permanent fixes and automation to prevent recurrence of operational issues
Requirements:
Senior-level Oracle DBA with strong hands-on experience in Oracle 12c/18c/19c, container/pluggable and autonomous databases
Track record of delivering in high-availability environments
Experience working collaboratively within DBA or infrastructure teams and supporting less experienced colleagues
Comfortable working across on-prem and cloud platforms, including AWS and Oracle Cloud
Deep knowledge of backup, recovery, security, and performance tuning best practices
Calm under pressure, detail-oriented, and focused on continuous technical improvement