Senior Linux, AIX & Oracle Database Administrator - Investment Banking

Senior Linux, AIX & Oracle Database Administrator – Investment Banking

Location: London

Up to £80k + Bens

THIS ROLE DOES NOT OFFER SPONSORSHIP

Join a leading investment bank in London as a Senior Linux, AIX & Oracle Database Administrator , playing a key role in maintaining and evolving the technology platforms that power complex trading, treasury, and finance operations.

This is a hands-on, senior technical role where you’ll enhance systems stability, optimise performance, and drive automation across mission-critical environments supporting Oracle Flexcube and Oracle ERP systems.

Key Responsibilities

• Administer and optimise Oracle databases supporting core banking and trading platforms.
• Manage and maintain Linux (RHEL/Oracle Linux) and AIX servers across high-availability environments.
• Perform system upgrades, patching, capacity planning , and performance tuning.
• Collaborate with infrastructure and application teams to resolve incidents and fine-tune service reliability.
• Design and maintain backup, recovery, and replication strategies using RMAN and Data Guard .
• Automate operational procedures using shell scripting and configuration management tools.
• Ensure systems comply with internal security standards and regulatory requirements .
• Participate in disaster recovery planning , testing, and documentation.
• Provide on-call support for critical production systems.

Skills & Experience

• 7+ years’ experience as an Oracle DBA , including RAC, ASM , and tuning .
• 5+ years in Linux (RHEL/Oracle Linux) and AIX administration, ideally in financial services.
• Expertise in SQL, PL/SQL , and Unix shell scripting for automation and optimization.
• Hands-on experience supporting Flexcube databases or similar core banking systems.
• Strong grasp of financial systems architecture and ITIL-aligned operational processes.
• Proficiency with monitoring tools (OEM, Nagios) and log analysis .
• Excellent problem-solving , communication , and collaboration skills.

Desirable

• Familiarity with WebLogic in enterprise or banking settings.
• Exposure to regulated, high-availability environments within investment or corporate banking.

What’s on Offer

• A technically challenging environment committed to stability and performance.
• The opportunity to work on critical financial platforms supporting trading and settlement workflows.