Thales
Senior Systems Engineer
Crawley
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hirly's read of this role
- Seniority
- Senior
- Country
- GB
- Work mode
- On-site / unstated
- First seen by hirly
- 29 Oct 2026
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the posting
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.
- Senior 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.
ISR is a highly complex product development environment, focusing on delivering cutting edge products in the UAS and EW Fields. We are recruiting for a Senior Systems Engineer with opportunity to work across multiple complex programmes. Performing subsets of all the engineering activities required to develop a solution/product whilst achieving customer satisfaction.
We’re looking for an experienced Systems Engineer with experience working in safety critical engineering developments and a strong understanding of the development 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 and the 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.
- Proven experience working in and/or leading a team undergoing Integration, Verification, Validation and Qualification (IVVQ) of a solution/product
- 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.
Desirable experience
- Model Based Systems Engineering (MBSE) methods and tools.
- Proven working experience of requirements management in Polarion.
- Architecture Frameworks (MODAF, DODAF, TOGAF etc.)
- Product line Engineering
- Electronic Warfare, Radar or telecommunications domain.
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.
Your career at Thales UK
Future opportunities will allow you to discover other domains or sites. You will be able to evolve and grow your Competencies in different areas:
· Room and attention to personal development
· Build your talents in another domain of Thales Group, discovering new products, new customers, new country or go to a more complex Solution
· Choose between a technical expertise or a leadership path
· Build an international career within a leading Engineering Group
What we can offer
We are committed to giving you opportunities to be your best. We believe in embracing the passion and potential of our people, and to achieve this we offer market leading training, development and experiences, along with the opportunity to be mentored and coached by some of the smartest minds in the industry. We hire from within as our first priority, so you’ll have a myriad of opportunities within our diverse, global organisation.
Our packages will include significant bonus, a strong pension contribute, private healthcare, development focused targets and relocation support can be provided if required along with a variety of learning, development and career enhancement opportunities. Further support can be provided towards academic and membership attainments.
#LI-CL1
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!
Listed on hirly, a job board. hirly is not the employer: Thales is hiring for this role.
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