Senior Linux & Oracle DBA - Banking Infra & RAC Expert

Proactive.IT Appointments Limited; Greater London; On-site; GBP 70,000 - 80,000; Full time

Job summary

A leading financial services organisation is seeking an experienced Senior Linux / Oracle DBA to support and evolve their core banking platforms. In this hands-on role, you'll ensure the stability and performance of critical banking applications, manage Linux and AIX environments, and collaborate with IT teams to resolve complex issues. Ideal candidates will have 7+ years as an Oracle DBA, strong experience with Oracle RAC and Flexcube, and excellent communication skills. This position offers competitive compensation of £70k – 80k per year.

Qualifications

• 7+ years’ experience in Oracle DBA roles within enterprise environments.
• Strong experience with Oracle RAC, ASM, performance tuning, and high availability.
• 5+ years’ hands-on experience administering Linux and AIX systems.
• Experience supporting Oracle Flexcube in a banking environment.
• Advanced SQL and PL/SQL knowledge.

Responsibilities

• Administer, maintain, and optimise Oracle databases supporting Flexcube banking applications.
• Manage Linux and AIX environments hosted on IBM Power 10 infrastructure.
• Perform system upgrades, patching, performance tuning, and capacity planning.
• Collaborate with teams to resolve complex production issues.

Skills

Oracle RAC, ASM, performance tuning

Linux (RHEL / Oracle Linux)

AIX systems

SQL and PL/SQL

Unix scripting (Bash, Korn)

Monitoring and alerting tools (OEM, Nagios)

Troubleshooting skills

Communication skills

Stakeholder engagement

Job description

A leading financial services organisation is seeking an experienced Senior Linux / Oracle DBA to support and evolve their core banking platforms. In this hands-on role, you'll ensure the stability and performance of critical banking applications, manage Linux and AIX environments, and collaborate with IT teams to resolve complex issues. Ideal candidates will have 7+ years as an Oracle DBA, strong experience with Oracle RAC and Flexcube, and excellent communication skills. This position offers competitive compensation of £70k – 80k per year.