Systems Safety Engineer Defence

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ALTEN UK is seeking a Systems Safety Engineer to support high-integrity defence systems on a long-term programme involving airborne mission-critical platforms. You’ll be contributing to the safety assurance of complex systems in line with airworthiness standards, working within a multi-disciplinary team and applying structured safety engineering methodologies throughout the full system lifecycle.

Key Responsibilities:

• Perform detailed safety assessments including FMEA, FMECA, FHA, FTA, and Common Mode Analysis to identify and mitigate hazards at both system and subsystem levels.
• Define and maintain Safety & Environmental (S&E) requirements, ensuring traceability to system functions and design features.
• Support the development of safety cases, including argument structure, evidence collation, and production of associated hazard analysis reports.
• Ensure adherence to project-specific and industry safety processes and standards, contributing to regular compliance audits and reviews.
• Collaborate with systems, hardware, and software teams to evaluate functional safety, interface risks, and emergent behaviour across integrated platforms.
• Contribute to planning and estimation activities, supporting risk assessments and verification planning.

Skills & Experience Required:

• 5+ years in System Safety Engineering within defence or aerospace environments
• Strong experience with hazard analysis techniques including FMEA/FMECA, FHA, FTA, and Common Mode Analysis (CMA)
• Experience developing and maintaining safety requirements, hazard logs, and safety cases
• Familiarity with airworthiness and product safety standards

Desirable Skills:

• Understanding of DEF STAN 00-56, ARP4761, or MIL-STD-882
• Exposure to reliability analysis and environmental safety practices
• Experience with tools such as Reliasoft, DOORS, or Windchill Risk & Reliability
• Knowledge of safety assurance in airborne systems (e.g. sensors, navigation, mission systems)

Qualifications & Security:

• Bachelor’s degree in a relevant engineering discipline (Master’s preferred) OR
• Military/Armed Forces background in a technical or engineering role is equally valued.
• Must be SC clearable - 5 Years in the UK minimum

Why join us? 

We foster a community of dually talented individuals who are both entrepreneurs and technology specialists. Our teams embody the spirit of innovation and entrepreneurship, enabling us to develop solutions most efficiently. 

Our commitment to sustainable growth is unwavering, and we continuously strive for accelerated transformation and continuous improvement. Through ALTEN labs, mentoring programs, internal universities, and more, we are always pushing boundaries and embracing new possibilities. 

We offer incredible opportunities to join inspiring projects in the most innovative companies. 

We prioritise your career development with personalised support plans tailored to your own aspirations. We're here to empower you and help you reach your full potential. 

Join our passionate team and start building tomorrow, today! 

In short you get: 

• A personalised career path and a rewarding management style 
• A chance to work on the most exciting engineering projects and technologies along with Premium Customers
• A huge diversity of engineering projects and industries
• A competitive salary
• Private Medical Insurance
• Pension Scheme
• Cycle-to-work Scheme among many additional benefits
• Social atmosphere, regular gatherings, and team buildings
• Flexible way of working (role dependent)