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Thales

Global defense and aerospace electronics

Weapon System Architect

Aerospace EngineeringConfirmed live in the last 24 hours
Full-timeBelfast, UK

About the Job

Requirements

  • Degree-level qualification in a scientific, engineering, or numerate discipline, or equivalent experience, and ability to obtain and maintain UK SC clearance.
  • Systems engineering expertise across the full lifecycle, including requirements capture, system architecture, design, integration, testing, and verification of complex systems.
  • Ability to define, manage, and decompose requirements into robust system specifications, architectures, interfaces, and behaviours using structured engineering methodologies.
  • Analytical, critical-thinking, and problem-solving capabilities, with a track record of making sound decisions and delivering results in complex environments.
  • Communication and stakeholder management skills, including influencing, collaborating, and communicating complex technical concepts to diverse audiences.
  • Knowledge of systems modelling, such as UML and SysML, defence architectures, standards, and interface protocols, and understanding of relevant safety, security, environmental, and regulatory requirements.

Responsibilities

  • Capture and translate customer, user, and business needs into clear system requirements, use cases, and functional definitions.
  • Define and develop system architecture, interfaces, behaviours, and flow-down requirements, working with technical specialists to optimise performance.
  • Assess user deployment scenarios and evaluate candidate technologies, including emerging and novel solutions, to inform system design decisions.
  • Drive system design maturity through trade studies, analysis, prototyping, integration support, and complex fault diagnosis.
  • Lead verification and compliance activities, ensure requirements are met, maintain design documentation, and mentor junior team members.
  • Design Fire Control and Air Defence Systems across the product lifecycle, from requirements capture and technology evaluation through architecture and behaviour definition, design optimisation, building, testing, and verification.

Desired Qualifications

  • Knowledge of Air Defence systems, technologies, and their operational application.
  • Ability to perform effectively within multidisciplinary teams and deliver results in pressured, time-sensitive environments.
  • Chartered Engineer status or demonstrated commitment to working toward professional accreditation.

About the Company

Thales

Global defense and aerospace electronics

Thales designs and delivers critical technology for aerospace, defense, and digital security. Its products include electronics, software, and data-security systems that power air travel, payments, and modern military platforms, by integrating hardware and software to build systems such as avionics, radar, cybersecurity, and secure communications that collect sensor data and protect networks. It stands out through deep industrial experience, end-to-end solutions across defense, aerospace, and cybersecurity, and a focus on AI and quantum tech, aided by strategic acquisitions and partial state ownership. Its goal is to provide reliable, secure, and connected technologies that support national security, public safety, and everyday life by solving complex security and connectivity challenges.

Company size
10,001+
Company stage
IPO
Headquarters
Meudon, France
Founded
1893

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