Skip to main content
← Back to jobs
Thales Alenia Space logo

Systems Engineer

Job Description

Location: Crawley, United Kingdom

Thales people provide armed forces customers with operational advantage at every decisive moment throughout the mission. Defence and armed forces customers rely on us to deliver the full range of defence mission systems solutions at land, sea, and air. Our platforms extend across the battlespace including Above and Sonar, Electronic Combat, and Intelligence, Surveillance and Reconnaissance systems.

Together we offer fantastic opportunities for committed employees to learn and develop their career with us. At Thales UK, we research, develop, and supply technology and services that impact the lives of millions of people each day to make life better, and keep us safer. We innovate across the major industries of Aerospace, Defence, Security and Space. Your health and well-being matters to us and that’s why we offer you the flexibility to do what’s important to you; whether that’s part time hours, job sharing, home working, or the ability to flex your start and finish times. Where possible, we support a working pattern that suits your lifestyle and helps you reach your ambitions.

Systems Engineer
Crawley - Hybrid

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

We are recruiting for a Systems Engineer to work on projects covering next generation Electronic Warfare (EW), Radar or UAS solutions. This Systems Engineer role performs a subset 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 and 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 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.
  • The Systems Engineer may contribute towards the Systems Architecture and/or Systems Engineering Management

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.
  • An understanding of System Engineering and System Engineering Processes and Practices including:
    • 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.
  • An ability to work with combinations of technologies, to integrate and verify them in a logical and structured way into a system in order to fully satisfy a Customer’s requirement.
  • Able to develop and establish collaborative ways of working with multiple stakeholders and disciplines to establish a system-centric way of working.
  • Excellent communications skills, both verbally and written, with the ability to present and explain technical and complex problems, tailored appropriately for the audience.
  • A team player with a “can-do” attitude that performs effectively in a multi-disciplinary team environment.

Experience Desirable

  • Model Based Systems Engineering (MBSE) methods and tools.
  • 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.

#LI-CL1

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. Some vacancies may require full Security Clearance which can 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 provide CAREERS and not only jobs. With Thales employing 80,000 employees in 68 countries our mobility policy enables thousands of employees each year to develop their careers at home and abroad, in their existing areas of expertise or by branching out into new fields. Together we believe that embracing flexibility is a smarter way of working.

Thales UK is committed to providing an inclusive and barrier-free recruitment process. We will provide reasonable adjustments and support to ensure neuro-diverse applicants or those with a disability or long-term condition can be their best during the recruitment process. To request an adjustment, if you need this job advert in an alternative format or if you have any questions about the recruitment process, please contact Resourcing Ops for mid to senior roles, or the Early Careers Team for graduate and apprentice roles.

Great journeys start here, apply now!

Optimize Your Resume for This Job

Get a match score and see exactly which keywords you're missing

Optimize Resume

Job Details

Category
Aerospace Engineering
Employment Type
Part Time
Location
Crawley
Posted
Mar 24, 2026, 08:00 PM
Listed
Mar 25, 2026, 05:47 PM

About Thales Alenia Space

Part of the growing space & AI ecosystem pushing the frontiers of technology.

Found this role interesting?

Systems Engineer
Thales Alenia Space
Apply ↗

Shipping like we're funded. We're not. No affiliation.

Sequoia logo
Y Combinator logo
Founders Fund logo
a16z logo