Oracle Database Administrator (Oracle DBA)

Join CGI and help deliver resilient high-performing database services that underpin critical programmes across our Space Defence and Intelligence business. As an Oracle Database Administrator youll take ownership of production environments solve complex operational challenges and contribute ideas that strengthen performance availability and security. Working alongside an experienced community of technical experts youll have the support to develop your capabilities while making a tangible contribution to secure mission-critical outcomes. This is an opportunity to apply your Oracle expertise in an environment where collaboration technical creativity and personal accountability are valued while supporting systems that make a lasting difference.

CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK Best Employer by the Financial Times. We offer a competitive salary excellent pension private healthcare plus a share scheme (3.5% 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector including our Armed Forces and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and youll be part of an open friendly community of experts. Well train and support you in taking your career wherever you want it to go.
Due to the secure nature of the programme you will need to hold UK Security Clearance or be eligible to go through this clearance.

Location: Leatherhead Surrey this role requires you to work from the CGI Leatherhead office five days per week.

In this role you will administer and support Oracle database environments underpinning secure mission-critical systems. Youll take ownership of day-to-day production database administration including patching maintenance and troubleshooting helping ensure services remain secure stable and available.

Youll work collaboratively with technical specialists across CGI bringing your own ideas and expertise to complex problems while having access to the support and knowledge of our wider community. Youll also have opportunities to work across Oracle Multitenant backup and recovery performance optimisation middleware Solaris ZFS and Windows environments.

Administer & Support Manage production Oracle databases maintaining availability stability and performance.

Patch & Maintain Deliver Oracle CPU/RU patching using OPatch and Datapatch diagnosing and resolving patching issues.

Troubleshoot & Resolve Investigate database SQL and performance issues using appropriate Oracle diagnostic tools.

Protect & Recover Support backup and recovery activities using RMAN.

Manage & Optimise Administer Oracle Multitenant CDB/PDB environments including maintenance cloning and troubleshooting.

Analyse & Improve Use AWR/ASH and SQL analysis to identify issues and improve database performance.

Collaborate & Innovate Work with colleagues across technical disciplines to develop practical solutions to complex operational challenges.

Support Wider Platforms Where required contribute to Oracle WebLogic/FMW Solaris ZFS and Oracle database services running on Windows Server.

Youll bring strong hands-on Oracle production DBA experience and proven expertise in Oracle database patching. You should be comfortable taking responsibility for database services in demanding production environments approaching problems methodically and working collaboratively to deliver reliable outcomes. Experience across the wider Oracle and Solaris technology stack would strengthen your contribution with support available to broaden your knowledge further.

Strong hands on production Oracle Database Administration experience.

Strong Oracle patching experience including CPU/RU OPatch Datapatch and patch troubleshooting.

Experience administering and troubleshooting Oracle Multitenant CDB/PDB environments including cloning and maintenance.

Experience with Oracle backup and recovery using RMAN.

Knowledge of AWR/ASH SQL and database performance troubleshooting.

Experience with Oracle Solaris production support OS management SRU patching networking and Zones administration.

Knowledge of ZFS administration including pools datasets snapshots capacity and filesystem troubleshooting.

Experience administering Oracle databases on Windows Server including services patching and troubleshooting.

Exposure to Oracle Fusion Middleware/WebLogic administration patching and troubleshooting would be beneficial.

Ability to work effectively within a collaborative security-focused technical environment.

You must hold or be eligible to obtain the required UK Security Clearance.

#LI-SB2

• Database Administration
• Oracle
• Oracle Solaris
• WebLogic
• Windows Server

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