Principal Safety Engineer

Cheadle, England, United Kingdom

7/29/2025

Expleo  is a trusted partner for end-to-end, integrated engineering, quality services and management consulting for digital transformation.  We help businesses harness unrelenting technological change to successfully deliver innovations that will help them gain a competitive advantage and improve the everyday lives of people around the globe.

We are seeking a number of highly organised and motivated Principal / Senior Safety Engineers. The Safety Engineer will work within the System team performing safety activities in support of the Systems in development, manufacture and in-service.

Responsibilities

Key Responsibilities:

• Apply established safety analysis techniques includingFault Tree Analysis (FTA),Failure Modes, Effects & Criticality Analysis (FMECA),Hazard Identification (HAZID), andFunctional Hazard Analysis (FHA).
• Develop and maintainsafety casesand safety arguments in compliance with relevant military and defence standards (e.g.Def Stan 00-056,MIL-STD-882E,IEC 61508).
• Support system architects and design teams by providing expert safety input during the development of complex architectures and software-intensive systems.
• Produce and review safety assessments, hazard logs, risk evaluations, and safety requirements for integration into the wider system lifecycle.
• Lead or contribute to the generation of artefacts in support of formal design reviews and certification milestones.
• Engage with internal and external stakeholders, including independent safety assessors and customers, to ensure alignment and compliance with safety objectives.
• Provide independent safety assurance and contribute to internal safety governance reviews across engineering projects.
  
  

Qualifications

Ideally candidates will have a degree in a STEM subject or equivalent suitable experience

Essential Skills

Essential Skills & Experience:

• Strong background inproduct/system safety engineering, ideally within adesign and development organisationin the defence sector.
• Proven experience withDefence Standardssuch as00-056,00-055,00-051, or equivalent standards such asMIL-STD-882E.
• Practical experience applying safety analysis techniques: FMECA, FTA, HAZID, FHA, etc.
• Knowledge ofsafety management systems, such as POSMS and POEMS, and their application within a UK MoD or international defence environment.
• Experience in producing and deliveringsafety cases, safety plans, and safety compliance matrices.
• Familiarity with safety engineering forsoftware-intensive systems, including the application of standards likeDef Stan 00-055,DO-178C, orIEC 61508.
  
  

Desired Skills

Behaviours & Attributes:

• Strong analytical and problem-solving skills.
• Effective communicator able to engage across engineering and customer teams.
• Proactive, self-motivated and capable of working independently and collaboratively.
  
  

Experience

Desirable Experience:

• Experience working in one or more of the following domains:Land,Naval, orAirsystems.
• Understanding of functional safety principles and standards.
• Experience providingindependent safety assuranceor participating in external regulatory reviews.
• Chartered Engineer or working towards professional registration (e.g. CEng, IEng).
  
  

What Do I Need Before I Apply

• Valid SC Clearance. Sole UK Nationality.
  
  

Benefits

• Collaborative working environment – we stand shoulder to shoulder with our clients and our peers through good times and challenges 
• We empower all passionate technology loving professionals by allowing them to expand their skills and take part in inspiring projects  
• Expleo Academy - enables you to acquire and develop the right skills by delivering a suite of accredited training courses 
• Competitive company benefits
• Always working as one team, our people are not afraid to think big and challenge the status quo 
• As a Disability Confident Committed Employer we have committed to:
• Ensure our recruitment process is inclusive and accessible
• Communicating and promoting vacancies
• Offering an interview to disabled people who meet the minimum criteria for the job
• Anticipating and providing reasonable adjustments as required
• Supporting any existing employee who acquires a disability or long term health condition, enabling them to stay in work at least one activity that will make a difference for disabled people
  

“We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, sex, disability, religion/belief, sexual orientation or age”.

We treat everyone fairly and equitably across the organisation, including providing any additional support and adjustments needed for everyone to thrive