Senior Linux​/Oracle DBA

Senior Linux/Oracle DBA

We're working with a leading financial services organisation seeking an experienced Senior Linux/Oracle DBA to play a key role in supporting and evolving their core banking platforms.

This is a hands‑on position suited to someone with deep technical expertise across Oracle databases, IBM Power environments, and enterprise Linux/AIX systems
, ideally gained within a banking or financial services environment.

You’ll be responsible for ensuring the stability, performance, and availability of business‑critical banking and finance applications, working closely with senior IT stakeholders and wider application teams.

• Administer, maintain, and optimise Oracle databases supporting Flexcube banking applications
• Manage Linux (RHEL/Oracle Linux) and AIX environments hosted on IBM Power 10 infrastructure
• Perform system upgrades, patching, performance tuning, and capacity planning
• Support high availability and disaster recovery solutions using Oracle RAC, ASM, RMAN, and Data Guard
• Collaborate with application and infrastructure teams to resolve complex production issues
• Participate in disaster recovery planning, testing, and incident response
• Implement automation through Shell Scripting and configuration management tools
• Ensure systems comply with internal IT security standards and regulatory requirements
• Produce and maintain technical documentation and operational runbooks
• Provide on‑call support for critical production environments

• 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 (RHEL/Oracle Linux) and AIX systems
• Proven experience supporting Oracle Flexcube in a banking environment
• Solid understanding of financial systems architecture and regulatory environments
• Advanced SQL and PL/SQL knowledge
• Strong Unix Scripting skills (Bash, Korn)
• Experience with monitoring and alerting tools (OEM, Nagios or similar)
• Familiarity with ITIL processes and change management
• Excellent troubleshooting, communication, and stakeholder engagement skills
• Ability to work independently while collaborating effectively across teams

Proactive Appointments Limited operates as an employment agency and employment business and is an equal opportunities organisation.