Data Engineer

In this role, you will engineer, analyse and validate data that supports secure, high-value solutions for our government clients. You'll take ownership of data quality and integrity across end-to-end data flows, using Kibana and Elasticsearch to create visualisations, dashboards and investigations that turn complex information into actionable insight. You'll work collaboratively across upstream and downstream teams, bringing creative thinking to technical challenges and identifying risks, anomalies and dependencies before they affect delivery. Supported by CGI colleagues and ongoing development opportunities, you'll communicate findings clearly to technical and non-technical stakeholders, including senior leadership and client teams.

• Engineer & Deliver: Develop and support robust data engineering solutions using Python and modern data tooling.
• Visualise & Investigate: Use Kibana and Elasticsearch extensively to build dashboards, investigate datasets and communicate meaningful insights.
• Analyse & Validate: Perform detailed data analysis, integrity checks and quality validation across multiple data formats.
• Automate & Improve: Use Python and command-line tooling to automate analysis and operational activities.
• Manage Data Flows: Load data into bespoke visualisation tools and work with AWS services, including S3.
• Own Data Quality: Understand end-to-end data flows, dependencies and impacts, proactively identifying risks and anomalies.
• Collaborate & Communicate: Work across technical teams and provide clear status updates and findings to clients and senior stakeholders.
• Innovate & Develop: Explore new technologies and approaches while sharing knowledge within a supportive, collaborative engineering environment.
• You should bring strong, hands-on data engineering experience combined with practical Kibana visualisation expertise. You'll be comfortable analysing complex data, investigating quality issues and using Python, Elasticsearch, AWS and command-line tooling to deliver reliable outcomes. Strong analytical thinking, attention to detail and the ability to communicate effectively across technical and non-technical audiences will be essential.
• Strong data engineering experience, including working with complex datasets and end-to-end data flows.
• Strong practical experience with Kibana, including dashboards, data visualisation and investigative analysis.
• Experience with Elasticsearch and its use alongside Kibana.
• Proficiency in Python for data analysis, development and automation.
• Proven experience in data analysis, validation, integrity and quality checking.
• Familiarity with AWS, particularly navigating services and working with S3.
• Experience with command-line tools for investigation, file handling and operational activities.
• Strong analytical and problem-solving skills, with the ability to identify risks, issues and anomalies.
• Excellent attention to detail and the ability to interpret nuances across multiple data formats.
• Effective stakeholder communication and collaboration skills, including working across teams and communicating with senior and client stakeholders.
• A demonstrable interest in learning, innovation and continuous technical development.
• Shape secure, data-driven solutions that help government clients tackle some of their most complex challenges.

As a Senior Data Engineer within CGI's Secure Innovation team, you'll turn complex datasets into trusted insight, with particular emphasis on Kibana visualisation and hands-on data engineering. You'll take ownership of data quality and end-to-end flows, creatively solve technical challenges, and collaborate with experts to deliver secure, scalable solutions that make a measurable difference. Working with modern technologies including Python, Elasticsearch, Kibana and AWS, you'll have the freedom to innovate while being supported with ongoing learning and development to keep your skills at the forefront of an evolving technology landscape.

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.

Due to the secure nature of the programme, you will need to hold DV level UK Security Clearance or be eligible to go through this clearance. This is a hybrid position and will require the holder to spend a minimum of 3 days a week on site in Central London.