Senior Hardware Systems Engineer

Company: Thales

Location: Crawley

Posted: March 27th, 2026

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.


We are seeking a Hardware Systems Engineer to provide technical leadership for the definition, design, development and qualification of complex hardware systems.


Working within a multifunctional team, the Hardware Systems Engineer is responsible for defining hardware requirements, designing and developing architectural solutions, supporting the hardware function through the design and development lifecycle and ensuring the seamless integration and qualification of hardware components within our systems.


Hardware Systems Engineers work within the delegation of the Product Design Authority ensuring the solutions defined by the hardware team meet requirements, regulation and legislation needs of the programmes while maintaining adherence to product policy and business directives. The ideal candidate combines strong technical expertise in hardware design with a strategic, system-level perspective.


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As part of the role you will interface with a wide range of internal stake holders from Product Design Authorities and Technical Directors right through to Manufacturing and Test Technicians. You will also be expected to interact, present to and support customers and suppliers through-out the product lifecycle.


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With Thales employing 68,000 employees in 50 countries and 43% of all Thales UK roles being filled via internal movements 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.


Thales UK Key Facts


Due to the nature of the work that we do at Thales, many of our roles are subject to security restrictions. This role requires you to be a sole British Citizen from birth and achieve Security Clearance (SC) without any caveats . 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.


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.


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