Senior Data Scientist & Machine Learning Researcher

Prattwhitney; Bradley Stoke; Hybrid; GBP 80,000 - 100,000; Full time

Benefits offered by this job

37hr week

25 days holiday

Pension scheme

Annual bonus

Life Assurance

Flexible benefits

Enhanced sick pay

Parental leave

Job summary

Raytheon UK is seeking a technically-driven AI/ML engineer within the Strategic Research Group to develop novel AI solutions from scoping to delivery across customer and internal projects.

You will work with Python, ML packages, and frameworks to advance Generative AI, NLP and computer vision capabilities, mentoring teammates and coordinating with stakeholders in a hybrid setup.

Qualifications

• BSc in Machine Learning, Data Science, CS, Mathematics or related field.
• Experience coding in Python and ML packages (HuggingFace, TensorFlow, PyTorch).
• Track record delivering ML solutions to customers and internal stakeholders.
• Deep understanding of AI/ML algorithms for Generative AI, NLP, CV tasks.
• Experience training and developing AI models including LLMs.
• Ability to produce high-quality scientific writing for internal/external stakeholders.

Responsibilities

• Develop complex, novel data science solutions for ML projects with minimal guidance.
• Scope, design, and deliver data-centric solutions across disciplines.
• Undertake research and applied AI/ML tasks on customer/internal projects.
• Generate ideas for new research directions and provide technical leadership.
• Mentor junior team members and lead small project teams.
• Work with customers and internal stakeholders to determine technical approaches.

Skills

Python

ML packages

Generative AI

NLP

Computer Vision

Education

BSc in ML/CS/Math

PhD in related field

Tools

PyTorch

TensorFlow

Docker

AWS/Linux

Job description

Date Posted & Details

Date Posted: 2026-09-09 Country: United Kingdom Location: Gloucester, South Gloucestershire Position Role Type: Onsite

Job Description

This role is within the Strategic Research Group (SRG). The SRG are a team of Data Science, Machine Learning and AI specialists who develop novel AI solutions to mission focussed problems.

In this role you will be responsible for the technical development of AI/ML projects, working alongside more senior members of the team, supporting projects from initial idea scoping right through to final project delivery both in customer and internal domains. You will demonstrate novel thinking and propose new ideas for solving challenging problems. You will communicate these ideas effectively to senior technical leaders to feed into technical direction of your projects.

This opportunity is available in our Gloucester, Manchester or London team, working in a hybrid capacity (average of 3 days a week on-site).

Responsibilities

• Develop complex, novel data science solutions, contributing significantly to machine learning projects with minimal guidance.
• Brings experience in scoping, designing, and delivering data-centric solutions while working collaboratively across disciplines.
• Undertake research and applied AI/ML tasks on both customer and internal research projects.
• Generate ideas for new research directions and provide technical leadership in small project groups.
• Mentor more junior team members within their project team and the wider SRG.
• Work with customers and internal stakeholders, with varied technical knowledge, to determine appropriate technical approaches and do the technical development required for delivery.
• You must already hold or be able to gain SC clearance and eDV clearance (once started).

Required Skills & Experience

• BSc in Machine Learning, Data Science, Computer Science, Mathematics or related field.
• Experience coding in Python and associated ML packages (HuggingFace, TensorFlow, PyTorch).
• Have an established track record of delivering ML solutions to customers and internal stakeholders.
• Demonstrate deep understanding of AI/ML algorithms for different data types and tasks including Generative AI, NLP and computer vision, sufficient to be able to undertake research and development beyond existing literature.
• Experience of training and developing AI models including Large Language Models.
• Ability to produce high-quality scientific writing for internal & external stakeholders as well as academic publications.
• Experience of mentoring other team members and undertaking technical leadership on small projects or sub-parts of larger deliveries.

Desirable Skills & Experience

• PhD or Masters degree highlighting experience of academic research.
• Experience using robust ML pipelines, appropriate version control and environment management (such as venvs or Docker).
• Working knowledge of Linux systems, using basic commandline functionality (e.g. AWS CLI, Docker CLI, Linux commands like ssh, ls, cd...).
• Experience of deploying AI models in a scalable way for external users.
• Experience working in Cloud, preferably AWS but also GCP or Azure.
• Research publications in peer reviewed journals.
• Experience of writing technical project proposals.

Benefits and Work Culture

• 37hr working week with early finish Fridays - start your weekend early!
• An informal, flexible working culture that is output focused, not time spent at desk.
• 25 days holiday + statutory public holidays, plus opportunity to buy and sell up to 5 days and up to 5 paid days volunteering.
• Contributory Pension Scheme (up to 10.5% company contribution)
• Annual company bonus scheme (discretionary).
• 6 times salary 'Life Assurance' with pension.
• Flexible Benefits scheme with extensive salary sacrifice schemes, including Health Cashplan, Dental, and Cycle to Work amongst others.
• Enhanced sick pay.
• Enhanced family friendly policies including enhanced maternity, paternity & shared parental leave.

Company Overview

Raytheon UK You will be based within the area of the business providing DevSecOps at scale, Artificial Intelligence, Machine Learning, cyber and geospatial intelligence capabilities to support the defence, intelligence and cyber sectors. Collaborating with customers and suppliers to deliver secure, mission critical systems using the latest technologies and innovations. We take immense pride in being a leader in defence and aerospace technology. As an employer, we are dedicated to fuelling innovation, nurturing talent, and fostering a culture of excellence. Joining our team means being part of an organisation that shapes the future of national security whilst investing in your growth and personal development. We provide a collaborative environment, abundant opportunities for professional development, and a profound sense of purpose in what we do. Together, we are not just advancing technology; we're building a community committed to safeguarding a safer and more connected world.

RTX Raytheon UK

RTX Raytheon UK is a landed company and part of the wider RTX organisation. Headquartered in Arlington, Virginia, USA, but with over 180,000 employees globally across every continent, RTX provides advanced systems and services for commercial, military and government customers worldwide and comprises three industry-leading businesses - Collins Aerospace Systems, Pratt & Whitney, and Raytheon. Supporting over 35,000 jobs across 13 UK sites, RTX is helping to drive prosperity. Each year our work contributes over £2.7bn to the UK economy and offers a wealth of opportunities to 4,000 suppliers across England, Scotland, Wales and Northern Ireland. We’re investing in all corners of the country, supporting 29,040 jobs in England, 3,040 in Northern Ireland, 1,900 in Scotland and 1,600 in Wales.

Equal Employment Statement

RTX adheres to the principles of equal employment. All qualified applications will be given careful consideration without regard to ethnicity, color, religion, gender, sexual orientation or identity, national origin, age, disability, protected veteran status or any other characteristic protected by law.