Machine Learning Engineer - National Security (Gloucestershire)

We’relooking for aMachine Learning Engineerto join a supportive, multidisciplinary teamdevelopingAI/ML systemsto solvecritical National Securitychallenges.As aMachine Learning Engineer,you’lldeveloprobust, production-ready machine learning solutions,exploring, prototyping, and deployingML approaches frominitialconcept through to live operation. Working at the forefront of applied AI alongside experts across multiple disciplines,you’llhelp users defend against Defence and National Security threats, directly contributing to safer, more resilient systems deployed where they matter most.

Mind Foundry works on some of the most complex and urgent challenges in Defence and National Security. We specialise in supporting customers across the community to make sense at the speed of relevance from the ever-increasing volumes of data collected by sensors and systems. We often find ourselves working at the edge in complex environments where power, compute, and bandwidth are in short supply. The work is challenging, the customer needs products and applications they can trust, and the sense of achievement is thereforesubstantial.

This is an opportunity to innovate at the forefront of applied machine learning, tackle high-impact real-world problems, grow your technical skills, and shape the way AI/ML solutionsare delivered to critical operational environments.

Because of the nature of this work:

• You will need toholdexistingorbe eligible for UK Developed Vetting (DV), details of which can be found on theGov UKwebsite.

• Be expected to workprimarilyonsite at our clients’sitesinGloucestershire. Please consideryour commute when applying.

Key day-to-day activities:

• Design and build prototypes androbust,production-readyMLsolutions.

• Work collaboratively with colleagues acrosstheMind Foundryteam (Product Managers, Machine Learning Scientists, Software Engineers)to solvecriticalNational Securitychallenges.

• Maintain and developagoodworking knowledge ofstate-of-the-artML methods, softwaretoolsand implementation methods.

• Write maintainable production code and promote best practices for code quality in a scientific codebase.

• Provide advice andexplain core ML conceptsto our customers and partners.

Core Skills & Experience:

• A degreeinComputer Science, Applied Mathematics, Statistics, Physics, or a related STEM field (or equivalent practical experience).

• Demonstratedproficiencyin programming languages such as Python, producing clean, reproducible, well-tested, and well-documented code suitable for long-term ownership and handover.

• Hands-on experience with production infrastructure, including Docker, Linux, CI/CD,MLOps,cloud platforms, and model serving architectures.

• Be able to work withstate-of-the-artML libraries to deliver powerful results quickly.

• Comfortableworking in ambiguous, fast-moving environments, embedded with customers or delivery teams.

• Hold existingDeveloped Vetting (DV) levelclearance, or willing and eligible to apply and obtain UK security clearance to Developed Vetting (DV) level.

Nice to Have:

• Prior experience working withgovernment customers, defence contractors, or in military environments.

• Ability to write technical material (documentation, published papers, internal technical notes etc).

• Experience withNatural Language Processing (NLP) and Large Language Models (LLMs).

• Experiencein areas ofmodel development,dataprocessingand streaming (Spark, Kafka), microservices in python (Flask orFastAPI),and interactive visualisations and User Interfaces (Streamlit,Plotly,Gradioetc).

While we think the above experience is important,we’rekeen to hear from people that believe they have valuable skills, ideas, or perspectives that will make an impact in this role. If our team and mission resonate with you, but you do not necessarily meet allourrequirements, we still encourage you to apply.

What do we offer?

We believe in investing in our people by encouraging career and personal development that aligns with your goals and ambitions. We make sure all staff have the tools,timeand support they need to shape their own professional development. We want to help you excel at what you do and support your growth within the company.

You’llenjoy a competitive compensation package and great benefits such as:

• Salary range of £54,200 to £64,800 per annum
• 25 days of annual leave plus Bank Holidays
• Salary Sacrifice Pension scheme
• Private Healthcare (including dental and optical cover)
• Group Life Cover at x3 your annual salary
• Enhanced Paid Parental and Sickness Leave
• Workplace Nursery Scheme
• Volunteer days
• Pet friendly office
• Professional and personal development

For more information, please visit our websitewww.mindfoundry.aior [email protected]

Interview Process:

• Initialdiscussion with the People team

• TestDomecoding exercise

• 1 hour interview with two members of the Science & Engineering Team

• 90 minute technical interview, including a 10 minute presentation and live coding exercise

• In person meet the team at our Summertown, Oxfordoffice