Platform Engineer

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.

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.

Thales is continuing to develop its digital platform capabilities, and this role will play an important part in supporting and evolving a dedicated AI platform capability within the UK Digital Competence Centre (Best-In-Class). As an Infrastructure Systems Engineer, you will join an agile platform team responsible for supporting secure, resilient and high‑performing on‑premise infrastructure services that underpin a business‑critical hosted AI solution.

You will help maintain and improve the core infrastructure environment, ensuring services remain available, supportable and secure for internal users and engineering teams. This is a varied role with a strong operational focus, covering infrastructure support, systems administration, troubleshooting, lifecycle management and service improvement across a mixed technology estate. You will work closely with platform engineers, developers, security specialists and other stakeholders to support reliable service delivery and continuous improvement.

Your career could develop within the DCC as it continues to grow or take you into the wider business as our digital and technical agenda evolves.

Thales is a great place to work where diversity, integrity and a passion for what we do are very important to us. Whether you have worked with platform infrastructure for many years, or have gained relevant experience more recently and are looking to build on it, we would love to hear from you.

• Support and maintain the infrastructure underpinning an on‑premise hosted AI platform, ensuring services remain secure, reliable and available.
• Monitor platform health and performance, investigating and resolving issues as part of day‑to‑day service support.
• Carry out routine maintenance and lifecycle activities, including patching, upgrades and scale‑out activities.
• Work with engineering, security and service teams to support a resilient, supportable and well‑governed platform.
• Contribute to technical documentation, operational standards and continuous improvement activities.

• Support the day‑to‑day operation of the hosted platform across physical server, the virtualisation layer and operating system environments.
• Help maintain service availability, performance and capacity through monitoring, troubleshooting and proactive maintenance.
• Support containerised services and the underlying infrastructure they rely on.

• Carry out routine maintenance activities including patching, upgrades and health checks.
• Support the ongoing management of hardware and software life cycles to keep services secure and supportable.
• Maintain clear technical documentation and operational records.

• Investigate and resolve infrastructure and platform issues in line with agreed support processes.
• Work with internal teams and, where necessary, suppliers to restore service and address recurring problems.
• Identify opportunities to improve reliability, supportability and efficiency across the platform.

• Experience working with Windows Server operating systems
• Experience with Unix‑based operating systems,…