Consultant - Manager, Data Science and Machine Learning, AI & Data, Defence & Security

Basic information

Location

Bristol, London, Manchester

Business Line

Technology & Transformation

Job Type

Permanent / FTC

Date published

28-Nov-2025

Req #

21445

Job description

Connect to your Industry

Do you want to be at the heart of some of the biggest and most ambitious programmes undertaken to keep our country safe?

We are proud of the impact we have with our Defence & Security clients, the strength of our relationships, and the variety of our skills and expertise that we bring to help them achieve their mission.

We are growing our teams across all of Technology and Transformation. If you are cleared to DV level and want to grow your career in this sector, we are very keen to hear from you.

Connect to your career at Deloitte

Deloitte drives progress. Using our vast range of expertise, we help our clients' become leaders wherever they choose to compete. To do this, we invest in outstanding people. We build teams of future thinkers, with diverse talents and backgrounds, and empower them all to reach for and achieve more.

What brings us all together at Deloitte? It's how we approach the thousands of decisions we make every day. How we behave, our beliefs and our attitudes. In other words: our values. Whatever we do, wherever we are in the world, we lead the way, serve with integrity, take care of each other, foster inclusion, and collaborate for measurable impact. These five shared values lead every decision we make and action we take, guiding us to deliver impact how and where it matters most.

Connect to your opportunity

We are seeking committed new talent to join our multidisciplinary Data Science and Machine Learning team, with a focus on our clients in the Defence and Security sector. Our goal is to work together with our clients to drive innovation and insight from their data, using cutting edge Data Science, Machine Learning and AI techniques.

As a practitioner in our team, you will:

• Apply data science, machine learning and AI techniques creatively to solve complex problems.
• Research and develop innovative solutions that deliver real-world impact.
• Pioneer implementation of new techniques and technologies.
• Participate in all phases of the lifecycle from capturing user needs and developing prototypes to scaling and managing live services.
• Be responsible for the high-quality delivery of projects.
• Shape new propositions and support winning new projects.
• Support continual learning and development in the team.
• Develop deep understanding of the Defence and Security sector and the context for AI solutions and services to be successful.

Connect to your skills and professional experience

All applicants must hold UK security clearance to Developed Vetting level.

We are looking for candidates with both technical and business focused skills and experience, who can articulate the outcomes and value of their work.

Essential skills and experience:

• Hands-on experience of applying data science or machine learning in Defence/Security, wider public sector, or in academia
• Understanding of a range of machine learning architectures and models (e.g. Transformers, CNNs, Generative AI) and understand their applicability to client use cases
• Strong communication skills, including preparing engaging and impactful reports and presentations and conveying complex issues to diverse audiences
• Building productive relationships with colleagues and clients
• Evidence of contribution to practice development, including developing new propositions, mentoring colleagues and supporting bid work

It is desirable to have demonstrable experience with a few of the following:

• Experience applying state-of-the-art techniques to derive insights from text, audio, imagery or video content
• Experience with Data Science and Machine Learning services and toolkits from Cloud providers (AWS, Azure, GCP) or equivalent
• Practical experience with Python and good practice tools and processes for developing high quality code
• Familiarity with common Python libraries for data management, statistical analysis, machine learning. visualisation, interactive web front-ends
• Experience with popular machine learning frameworks such as TensorFlow and PyTorch
• Strong understanding of statistics and probability
• Strong knowledge of the machine learning lifecycle, from prototyping state-of-the-art to scaling and managing for enterprise use
• Experience with one or more common workflow / pipelining frameworks (Kubeflow, MLFlow, Argo or equivalents)
• Understanding of key considerations for Ethical and Responsible AI and experience applying them

Connect to your business - Technology and Transformation

Distinctive thinking, deep expertise, innovation and collaborative working. That's what connects us. That's what makes us Deloitte. If you want to help solve some of the biggest tech and transformational challenges around, join us. Together, we'll make an impact that matters.

Defence and Security

Our Defence and Security teams support clients to make the UK a safer place. From organisation change and project management to engaging with complex technology, we help the businesses and government organisations we work with to deliver the best services possible.

Personal independence

Regulation and controls are standard practice in our industry and Deloitte is no exception. These controls provide important legal protection for both you and the firm. We are subject to a number of audit regulations, one of which requires that certain colleagues abide by specific personal independence constraints (e.g., in relation to any financial interests and employment relationships). This can mean that you and your "Immediate Family Members" are not permitted to hold certain financial interests (shares, funds, bonds etc.) with audit clients of the firm, and also prohibitions on certain employment relationships (e.g., you are not permitted to hold a secondary employment role with SEC audit clients of the firm whilst being employed by the firm). The recruitment team will provide further detail as you progress through the recruitment process or you can contact the Independence team upon request.

Connect with your colleagues

"What attracted me to Deloitte were the endless opportunities and the collective experience of other like-minded individuals. Deloitte's clients include many of the world's largest organisations; I wanted to be part of a team that made a difference that I could be proud of."

-Dan, Technology and Transformation

Our hybrid working policy

You'll be based in London, Bristol or Manchester with hybrid working.

At Deloitte we understand the importance of balancing your career alongside your home life. That's why we'll support you to work flexibly through our hybrid working policy. Depending on the requirements of your role, you'll have the opportunity to work in your local office, virtual collaboration spaces, client sites and remotely. You'll get the chance to meet face to face when needed, while you collaborate and learn from colleagues, share your experiences, and build the relationships that will fuel your career and prioritise your wellbeing. Please check with your recruiter for the specific working requirements that may apply for your role.

Our commitment to you

Making an impact is more than just what we do: it's why we're here. So we work hard to create an environment where you can experience a purpose you believe in, the freedom to be you, and the capacity to go further than ever before.

We want you. The true you. Your own strengths, perspective and personality. So we're nurturing a culture where everyone belongs, feels supported and heard, and is empowered to make a valuable, personal contribution. You can be sure we'll take your wellbeing seriously, too. Because it's only when you're comfortable and at your best that you can make the kind of impact you, and we, live for.

Your expertise is our capability, so we'll make sure it never stops growing. Whether it's from the complex work you do, or the people you collaborate with, you'll learn every day. Through world-class development, you'll gain invaluable technical and personal skills. Whatever your level, you'll learn how to lead.

Connect to your next step

A career at Deloitte is an opportunity to develop in any direction you choose. Join us and you'll experience a purpose you can believe in and an impact you can see. You'll be free to bring your true self to work every day. And you'll never stop growing, whatever your level.

Discover more reasons to connect with us, our people and purpose-driven culture at

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