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, 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., 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.
  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.
  Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you'll reach your full potential because…

You are invited to be an owner from day 1 as we work together to bring our Dream to life. That's why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company's strategy and direction. Your work creates value. You'll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise. You'll shape your career by joining a company built to grow and last. You'll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons. That same commitment to fairness extends to how we use technology. To support our recruitment team, AI tools may be used to help assess applications though they never replace human judgement. All hiring decisions remain entirely in the hands of our recruitment professionals. Come join our team-one of the largest IT and business consulting services firms in the world.Discover CGI London, England, United Kingdom > 1000 employees IT services We are a global business with 91,500 professionals across hundreds of locations worldwide, providing end-to-end IT and business process services that drive our clients' businesses. In the UK alone, we have around 6,000 member-partners working across 19 towns and cities, doing everything from writing complex code to designing sophisticated software solutions. The work we do powers some of the most ambitious projects that touch the lives of many. Our approach sets us apart, characterised by our proximity model, international presence, expertise, and operational excellence. We organise our operations within metro markets where our clients have concentrated footprints, empowering our local teams to build trusted, in-person relationships. As you build your career here, you'll develop your skills, share your insights, and work side-by-side with colleagues and clients on innovative solutions that address the most complex issues. Our commitment to ownership, flexibility, and being approachable makes us easy to do business with. Join us, and together, as owners, let’s turn meaningful insights into action to meet the needs and balance the interests of our clients, shareholders, communities, and each other.

Benefits:

• Insurance coverage
• Medical benefits
• Pension plan
• Member Assistant Programme
• Check4Cancer
• Flexible time off
• Share Purchase Plan
• Member discounts
• Dental benefits
• Vision benefits
• Profit Participation Plan
• Health and Wellbeing Programme

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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