Free-Work UK
AI Engineer / Developer
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At CGI
At CGI, you will help design and deliver advanced AI solutions that support mission-critical systems across the Space, Defence and Intelligence sector.
As an AI Developer / Engineer, you will build and deploy intelligent applications that unlock the value of data, enhance decision-making, and drive operational impact. Working with cutting-edge technologies and expert teams, you will take ownership of complex challenges, contribute innovative ideas, and grow your career within a collaborative and supportive environment.
About CGI
The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build, and operate bespoke, technically complex, mission-critical systems which help our clients keep us all safe and secure. We bring innovation to our clients using proven and emerging technologies, agile delivery processes and our deep expertise across the breadth of space, defence, intelligence, aerospace and maritime, all underpinned by our end-to-end cyber capability. We work collaboratively with global technology companies, cutting edge SMEs and academia to deliver the optimal solution for each client.
Why Join Us
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.
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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.
The Role
Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. This position will be based on site near Gloucester 5 days a week.
Candidate Profile
In this role, you will design, build and deploy AI-enabled applications within secure, often disconnected environments. You will take ownership of developing machine learning and AI solutions, including large language models, retrieval systems and data pipelines, ensuring they are scalable, reliable and optimised for performance.
Working closely with multidisciplinary teams, you will integrate AI capabilities into existing systems and contribute to solving complex operational challenges. You will bring creativity and technical expertise to developing innovative solutions, while being supported by a collaborative and forward-thinking environment.
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- Design & Develop AI-enabled applications and machine learning solutions
- Build & Optimise end-to-end ML pipelines and data workflows
- Train, Fine-tune & Deploy models, including LLMs and other AI systems
- Integrate & Enhance AI capabilities within existing platforms
- Deploy & Manage AI workloads using containerisation and orchestration tools
- Collaborate & Innovate with cross-functional teams to solve complex challenges
- Monitor & Improve model performance and scalability in production
Required Qualifications To Be Successful In This Role
You should have strong experience in AI or machine learning development, with solid programming skills and an understanding of modern AI frameworks and deployment practices. Experience delivering AI solutions into production environments is essential.
- Strong Python development skills
- Solid understanding of machine learning fundamentals and AI concepts
- Experience with frameworks such as PyTorch, TensorFlow or LangChain
- Experience developing and deploying machine learning models into production
- Knowledge of data pipelines and CI/CD practices
- Experience with Docker, Kubernetes or similar technologies
- Familiarity with LLMs, retrieval systems or vector databases (desirable)
- Experience working with GPU or on-premise AI environments (advantageous)
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