Senior Systems Engineer

Thales
City of London, Greater London
Location: Glasgow, United Kingdom

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 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.

An opportunity has arisen for a Senior Systems Engineer within Thales OME, the role can be based in Reading or Glasgow and depending on the specific project role may require some travel and time spent at other Thales sites, Customer sites or integration and test facilities.

As a Senior Systems Engineer you will be able to work autonomously to contribute towards the systems engineering design activities throughout the engineering project involving:

  • Definition of Systems Requirements for the product
  • Creation of design documentation capturing the systems engineering design Definition of the internal and external interfaces of the system
  • Functional definition of system behaviour
  • Development of test procedures to support the verification of the system
  • Carrying out integration and verification testing against test procedures Conducting activities to gather evidence that the systems requirements have been achieved
  • Peer reviewing technical artefacts
  • Supporting the wider engineering team by sharing knowledge

The successful candidate should be a good communicator who is proactive and able to constructively challenge ideas and concepts and have experience in:

  • Working as part of a multi-disciplinary design team
  • Defining systems interfaces, boundaries and other external factors that would impact on design
  • Requirements Engineering (elicitation, decomposition and analysis)
  • Analysing the operational concepts of a system

It would be beneficial if the candidate also has:

  • Experience of the decomposition of a systems design to sub-system level Experience or knowledge of systems modelling techniques
  • Experience of analysing potential solutions against the key needs in a design brief
  • Experience of using design analysis techniques (trade-off analysis, calculations, modelling and simulation, etc.)

This role will report to the Discipline Manager for Systems Engineering.

Connect with Fiona Tal, Talent Acquisition Partner #LI-FT1 who is eager to explore together with you this exciting opportunity.

This role will require SC Clearance. It would be advantageous if currently held, however, if not currently held, it is a requirement that the successful applicant will undergo, achieve, and maintain SC Clearance. 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.

For further details of the evidence required to apply for Baseline and Security Clearance please refer to the National Security Vetting (NSV) Agency - United Kingdom Security Vetting - GOV.UK (

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!

Posted 2025-10-12

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