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System Architect - Weapon Systems

Job in Belfast, County Antrim, BT1, Northern Ireland, UK
Listing for: Thales UK Limited
Full Time, Part Time position
Listed on 2026-11-01
Job specializations:
  • Manufacturing / Production
    Systems Engineer, Engineering Design & Technologists
Job Description & How to Apply Below
Location City, Belfast Job Type Permanent Posted

Location:

Belfast, 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.

Systems Architect
- Weapon Systems (IAS)

Location:

Other: permanent, full-time Interested in helping shape the future of advanced Weapon Systems? This is an opportunity to contribute to the development of next-generation defence capabilities, influencing technical strategy, and delivering innovative solutions for our customers. What the role has to offer Support the development of advanced Weapon System architectures and technology plans Work directly with customers, senior stakeholders, and product leaders, acting as a key technical authority across major programmes and strategic initiatives Evaluate emerging technologies, de-risk future capabilities, and turn advanced concepts into operational products that deliver real-world impact Our Opportunity We are looking for an experienced Systems Architect or Technical Leader who thrives on solving complex challenges, guiding multidisciplinary teams, and turning emerging technologies into real-world capability.

You will possess a breadth of technical capability, comfortable working with customers and subject matter experts while providing technical oversight throughout the product lifecycle. If you're passionate about innovation, systems thinking, and shaping the future of Weapon Systems, this is an opportunity to make a lasting impact. Building a Future, we can all trust. Integrated Airspace Protection Systems (IAS) - our main purpose is to protect and defend.

We provide rapid integrated solutions for detection, coordination, fire control, engagement and support. We cover three sectors:
Surface Attack & Air Defence (UK), Air Defence (International) and Air Operations & Services as well as Space. What we offer you We offer a competitive salary and benefits package designed to support our employees' wellbeing and professional growth, which includes:
Performance-related bonus Half day every Friday, usually finishing around 13:00 28 days annual leave (plus bank holidays) with opportunity to buy up to 40 hours/year (pro rata) 24 hours volunteering paid for Private healthcare Pension scheme Life cover 24/7 Employee Assistance Program and access to mental wellbeing app Employee discount shopping schemes on major brands and retailers Gym membership discounts Main Responsibilities Define and evolve Weapon System architectures Develop innovative technical solutions and proposals Provide technical leadership and governance Act as the principal technical interface Maintain and apply domain expertise Support Design Authority activities and communicate technical solutions effectively About You At Thales, we are committed to equal opportunities and welcome all talented individuals to consider joining our team.

So even if you don't match every statement below but feel you have some of the experience, knowledge or skills needed for this role, we encourage you to apply. It will take all of us working together to deliver solutions to the world's most critical challenges. Ideal Experience & Skills Essential Degree-qualified Significant experience Proven expertise in architecting, developing and managing complex systems Experience developing and delivering technical roadmaps Strong stakeholder management and communication skills Demonstrable leadership capability…
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