Location: Cheadle, United Kingdom
Thales is a global technology leader with more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports the security and stability of our nation by providing extraordinary technology to our customers, as well as delivering social value to the UK with our products and services.
Thales - System Integration & Test - 12 month Internship (Cheadle)
Within the Maritime Mission Systems domain at Thales UK the Systems Integration and Test (SI&T) organisation play a key role in supporting the development, design proving, installation, integration and acceptance activities associated with maritime sensor technologies and combat system integration on Royal Naval ships, submarines and aircraft. Building on 50 years of experience in undersea warfare, Thales is now a global leader in underwater systems and the world’s top exporter of sonars and related systems for naval forces.
During this internship you will be embedded in a project test team working on deliverable contracts. You will experience all aspects of the project lifecycle (from design to delivery) while gradually building knowledge which will enable you to undertake the following key responsibilities.
Key responsibilities
Skills, qualifications and experience
i.e. electronic engineering, computer science, systems engineering etc.
In line with Thales' Baseline Security requirements, candidates will be asked to provide evidence of identity, eligibility to work in the UK and employment and/or education history for up to three years. This vacancy also requires full Security Clearance which will require further evidence to be provided. For further details of the evidence required to apply for Baseline and Security Clearance please refer to the Defence Business Services National Security Vetting (DBS NSV) Agency.
At Thales, we ensure equal opportunities, pay and working conditions for all. The benefits we offer include private medical insurance, buying or selling annual leave, cycle to work schemes, employee discounts, paid volunteering day, stocks and shares, annual bonus and much more depending on the role. Read more about our benefits here.
We are committed to creating a workplace where everyone feels valued for who they are and the unique strengths they bring. Discover more about our programmes, employee networks, wellbeing policies, and inclusive features here.
If this role isn’t quite right for you, we encourage you to join our talent community where your details will be shared with our recruitment teams for other potential opportunities. Join the Talent Community here.
Join Thales in the UK – Innovate with us and shape the future!

Thales (Euronext Paris: HO) is a global leader in advanced technologies for the Defence, Aerospace, and Cyber & Digital sectors. Its portfolio of innovative products and services addresses several major challenges: sovereignty, security, sustainability and inclusion.
The Group invests more than €4 billion per year in Research & Development in key areas, particularly for critical environments, such as Artificial Intelligence, cybersecurity, quantum and cloud technologies.
Thales has more than 83,000 employees in 68 countries. In 2024, the Group generated sales of €20.6 billion.