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Oracle Database Administrator (Oracle DBA)
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Join CGI and Help Deliver Resilient, High-Performing Database Services
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, you’ll 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, you’ll 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 you’ll be part of an open, friendly community of experts. We’ll 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.
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Location
Leatherhead, Surrey – this role requires you to work from the CGI Leatherhead office five days per week.
Candidate Profile
In this role, you will administer and support Oracle database environments underpinning secure, mission-critical systems. You’ll take ownership of day-to-day production database administration, including patching, maintenance, and troubleshooting, helping ensure services remain secure, stable, and available.
You’ll 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. You’ll 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.
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Required Qualifications To Be Successful In This Role
You’ll 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.
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