Thales people architect solutions that are relied upon to deliver operational advantage at every decisive moment throughout the mission. Defence and armed forces customers rely on us to deliver the full range of defensive systems for land, sea, and air. From early warning, to threat neutralisation, our platforms cover all levels from very short-range systems, to extended protection across the entire battle-space including Airspace Mobility Solutions, Vehicles and Tactical Systems and Missile Defence, Optronics, and Radar.

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 five major industries; Aerospace, Defence, Ground Transportation, 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.

The role

Thales Integrated Airspace-protection Systems (IAS) UK designs and manufactures a range of cutting-edge technologies ranging from air surveillance and mission planning systems to missile and space propulsion systems. With sites in Belfast, Templecombe, Crossgar and Thorney Island the company specialises in systems that manage and exploit critical mission planning and air surveillance data and also in short range air defence products.

As a Systems Engineer, you will be designing state-of-the-art Defence Systems that deliver world-class performance to meet our customer’s needs. Working within an agile multi-discipline team, responsibilities cover the whole product lifecycle from requirements capture and analysis through to defining the system architecture and behaviour and onto building, testing and verifying that the solution meets the customer’s requirements. The role requires working with the team to optimise the design through trades, studies, analyses, modelling and simulation to produce a best-in-class competitive product.

Principal relationships

  • Working within an integrated project team including system architects, other system design engineers, software and hardware engineers to define the system.
  • Reporting to the System Design Team Lead and Project Engineering Manager
  • Interacting with UK and international customers, end-users, industrial partners and suppliers

Key responsibilities and tasks

  • The role will require participation in one or more of the following System design activities:
  • Understand our customer and business needs leading to requirements capture, development and management.
  • Understand how the User will deploy the product in order to inform the system design.
  • Support the System Architect in defining the system architecture and developing sub-system and component requirements.
  • Develop and optimise the design through system trades, analyses, simulations and prototyping
  • Defining, planning, and participation in verification activities and trials to ensure the delivered product meets the customer requirements.
  • Capturing the design, decisions and rationale in associated specifications and other technical artefacts.

Skills & qualifications required


  • Bachelor Degree (BEng, BSc) in a Numerate, Scientific or Engineering
  • Ability to demonstrate critical thinking & decision making skills.
  • Ability to demonstrate problem solving and innovation skills.
  • Ability to demonstrate effective written and verbal communication skills
  • Ability to deliver projects, overcome barriers and make things happen
  • Team working skills


  • Post-Graduate degree in an engineering discipline
  • High degree of technical expertise, problem solving skills, innovation and commitment
  • Ability to demonstrate working within a team under pressure
  • Chartered Engineer or working towards professional accreditation

Values & behaviours

The successful candidate will

  • Goal orientated and delivery focussed;
  • Display innovation and self-motivation;
  • Demonstrate dedication and determination in assigned tasks.

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.