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Senior System Safety and Environmental Engineer; IAS

Job in Belfast, County Antrim, BT1, Northern Ireland, UK
Listing for: Thales Group
Full Time position
Listed on 2026-10-08
Job specializations:
  • Engineering
    Safety Engineer, Systems Engineer, Regulatory Compliance Specialist
Job Description & How to Apply Below
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.

Senior System Safety & Environmental Engineer (IAS)
Known internally as System Safety & Environmental Engineer

Location:

based in Belfast, 4.5 days/ week onsite, with travel

Other: permanent, full-time, for eligible candidates, relocation support can be provided

Help shape the safety of next-generation defence technologies, ensuring mission-critical systems are safe, compliant and certifiable throughout their lifecycle.

What the role has to offer

Lead safety strategy on complex, mission-critical programmes – operate at a principal level, providing technical leadership and influencing the safety assurance approach across some of the UK's most advanced defence systems

Shape safety across the entire system lifecycle – from concept and architecture through to certification, in-service support and disposal, you'll have a unique opportunity to influence product development end-to-end and leave a lasting impact on system design

Drive innovation in a rapidly evolving environment – join a growing business delivering next-generation capabilities at pace, where you'll tackle complex safety challenges, mentor others and help define the future of systems safety engineering within Thales Our Opportunity As a Senior System Safety & Environmental Engineer, you'll ensure Thales products achieve certification, meet stringent safety standards and perform safely in operational environments.

You'll lead hazard analysis, define safety requirements and drive risk reduction activities across complex engineering programmes. From concept and design through to verification, certification and deployment, you'll provide technical leadership on safety-critical hardware and programmable elements, influencing engineering decisions and developing compelling safety cases backed by robust assurance evidence. Your work will directly enable the delivery of safe, compliant and trusted solutions for our customers.

We're seeking candidates with a strong Systems Safety Engineering background, ideally with experience in software safety assurance. While software safety expertise is highly desirable, we are also keen to hear from experienced Safety Engineers from aerospace, defence or other highly regulated industries.

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 youWe 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 13:0028 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 Lead and deliver all Safety & Environmental Management (S&EM) activities within integrated project teams, ensuring compliance with the IAS Safety…
Position Requirements
10+ Years work experience
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