Principal Data Scientist & Machine Learning Researcher

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Date Posted: 2025-11-05

Country: United Kingdom

Location: GBR29: Gloucester, 18b Ley Court, Barnwood Industrial Estate, Barnwood, Gloucester, Gloucestershire, GL4 3RT

Position Role Type: Unspecified

Location: Gloucester, London or Manchester

Hybrid role: Must be prepared to work from a Raytheon or customer site depending on demand. Average of 3 days a week on‑site.

Security Clearance: Must already hold or be able to gain an eDV clearance.

Duration: Permanent

Hours: Fulltime 37 hrs

Raytheon UK is a leader in defence and aerospace technology. Our culture nurtures talent and fuels innovation while safeguarding national security. We offer a collaborative environment, growth opportunities, and a sense of purpose.

This role is within the Strategic Research Group (SRG). The SRG is a team of Data Science, Machine Learning and AI specialists who develop novel AI solutions to mission‑focused problems. In this role you will work with high levels of autonomy and be responsible for the design, planning and technical leadership of multiple AI/ML projects. You will help lead and set technical and strategic direction for the group, support customer and stakeholder engagement, and deliver technical solutions on internal and external projects.

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• BSc in Machine Learning, Data Science, Computer Science, Mathematics or related field.
  
• Multiple years experience delivering novel ML solutions to customers and internal stakeholders.
  
• Excellent coding practice using Python and associated ML packages (HuggingFace, TensorFlow, PyTorch), following best practices.
  
• Experience developing robust ML pipelines with MLOps tools for model training, monitoring and deployment.
  
• Experience with version control and environment management (e.g. venvs or Docker).
  
• Experience writing technical project proposals.
  
• Experience managing teams, technical leadership and line management.
  
• Experience leading teams following agile principles.
  
• Expert knowledge of AI/ML algorithms for different data types and tasks including Generative AI, NLP and computer vision, sufficient to propose research beyond existing literature.
  
• Experience 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.
  
• Ability to work with high levels of autonomy, with awareness of appropriate business policies and strategy to dictate actions.
  

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• PhD or Masters degree highlighting experience of academic research.
  
• Experience deploying AI models in a scalable way for external users.
  
• Experience developing supporting systems for AI deployments (e.g. backend databases, front‑end UIs).
  
• Working knowledge of Linux systems, command‑line functionality (e.g. AWS CLI, Docker CLI, Linux commands like ssh, ls, cd).
  
• Experience working in Cloud, especially AWS, GCP or Azure.
  
• Research publications in peer‑reviewed journals.
  
• Experience delivering AI/ML projects in defence or government.
  
• Existing network of contacts across defence and government.
  

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• Support the Head of Data Science & Machine Learning using your experience to contribute to the group strategy and stakeholder engagement.
  
• Bring ideas for novel research that will drive competitive advantage in our customer community.
  
• Work with autonomy to develop complex, novel data science solutions.
  
• Support in triaging and responding to opportunities, aligning to the group and wider business strategies.
  
• Design and deliver data‑centric solutions while working collaboratively across disciplines.
  
• Technical delivery of research and applied AI/ML tasks on both customer and internal research projects.
  
• Provide technical leadership across multiple projects.
  
• Manage more junior team members across the SRG.
  
• Deliver AI/ML/Data Science solutions to a broad range of problems in defence.
  
• Work with customers and internal stakeholders to determine appropriate technical approaches and do the technical development required for delivery.
  
• Excellent communication skills, prepared to present and undertake practical demonstrations of work internally in the team, to senior stakeholders and at conferences with adaptability to audiences of different levels of technical expertise.
  

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• Competitive salaries.
  
• 25 days holiday + statutory public holidays, plus opportunity to buy and sell up to 5 days (37hr).
  
• Contributory Pension Scheme (up to 10.5% company contribution).
  
• Company bonus scheme (discretionary).
  
• 6 times salary ‘Life Assurance’ with pension.
  
• Flexible Benefits scheme with extensive salary sacrifice schemes, including Health Cash Plan, Dental and Cycle to Work amongst others.
  
• Enhanced sick pay.
  
• Enhanced family friendly policies including enhanced maternity, paternity & shared parental leave.
  
• Car / Car allowance (dependent on grade/role).
  
• Private Medical Insurance (dependent on grade).
  

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• 37hr working week, although hours may vary depending on role, job requirement or site‑specific arrangements.
  
• Early 1.30pm finish Friday, start your weekend early!
  
• Remote, hybrid and site‐based working opportunities, dependent on your needs and the requirements of the role.
  
• A grown‑up flexible working culture that is output, not time spent at desk, focused. More formal flexible working arrangements can also be requested and assessed subject to the role. Please enquire or highlight any request to our Talent Acquisition team to explore flexible working possibilities.
  
• Up to 5 paid days volunteering each year.
  

Raytheon UK is a landed company and part of the wider RTX organisation. Headquartered in Arlington, Virginia, USA, and with over 180,000 employees globally, RTX provides advanced systems and services for commercial, military and government customers worldwide. The company 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.

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