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Salary
≈ $54k – $124k per year (Estimated)
Location
Hybrid (Crawley, United Kingdom)
Seniority
Middle · 3+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 30, 2026. First seen by Alion on Oct 29, 2026. Thales Group scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Thales is a French technology group whose lineage runs back to 1893, and it is one of Europe's largest defence and aerospace electronics companies. It builds radar, electronic warfare, sonar and command systems for armed forces, avionics and in-flight entertainment for aircraft, signalling for railways, and satellites through the Thales Alenia Space joint venture with Leonardo. A large cybersecurity and digital identity division, assembled through the Gemalto and Imperva acquisitions, supplies hardware security modules, encryption and the SIM and biometric documents used by banks and governments worldwide.
Location: Crawley, 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.

Systems Engineer

Crawley - Hybrid

Thales Intelligence, Surveillance and Reconnaissance (ISR) UK is a principal supplier of UAS, EW and Radar equipment to the UK armed forces, as well as an exporter of these capabilities worldwide.

Due to growth, we are actively recruiting for a Systems Engineer. This is a permanent position to work on projects delivering next generation Electronic Warfare (EW), Radar or UAS solution, within the Intelligence, Surveillance and Recognisaince (ISR) Business line.

As Systems Engineer you would perform subsets of all the engineering activities required to develop a solution/product whilst achieving customer satisfaction of the delivered solution/ product. This role requires a Systems Engineer with knowledge or experience of the full Systems Engineering design lifecycle.

Key responsibilities include:

  • Demonstration that the solution satisfies the overall approved operational needs set out by the customer.
  • Formalisation and management of requirements through DOORS.
  • Assembly of the solution elements in a logical and controlled manner to evaluate design, behaviour, interactions and performance to confirm that the design meets requirements.
  • Formalisation of the specifications used to develop the solution.
  • Contributing to, or reviewing, engineering plans used to develop the solution
  • Support and undertake IVVQ activities.
  • Trade-off analysis, modelling and simulation.
  • SE and IVVQ related documentation.
  • Work alongside a Systems Engineering team, or Systems Architect, or Project Design Authority to design and formalise the solution.

What are we looking for?

  • Minimum of a Bachelor Degree (BEng, BSc) in a Numerate, Scientific or Engineering subject or Higher Education/equivalent training and experience.
  • Proven working experience in requirements management using tools such as DOORS or Polarion.
  • Detailed working knowledge of the engineering lifecycle, from concept design, requirements capture and management, system and subsystem design, system integration, through to test strategies, acceptance and design update.
  • An understanding of System Engineering and System Engineering Processes and Practices, including knowledge of Systems Lifecycles.
  • An ability to work with combinations of technologies, to be able to define how they should be integrated and verified in a logical and structured way into a system.
  • Able to develop and establish collaborative ways of working with multiple stakeholders and disciplines.
  • Understanding of what “Systems Thinking” is, and how it applies to broader, collaborative engineering.
  • Good communications skills, both verbally and written, with the ability to present and explain technical and complex problems, tailored appropriately for the audience.

Security Clearance Requirement:

Due to the nature of the work that we do at Thales, many of our roles are subject to security restrictions. This role requires Security Clearance (SC). It would be advantageous if currently held, however, if not currently held, it is a requirement that the successful applicant undergo, achieve, and maintain SC Clearance prior to commencing employment. Please visit the UKSV website for further guidance.

To be eligible for full SC, you generally need to have resided in the UK for the last 5 years. In some circumstances, a minimum of 3 years’ residence in the UK over the last 5 years may be accepted, with additional overseas checks.

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!

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