Copello have partnered with a leading Defence and Marine business who are in the recruitment for a Principal Safety Engineer to deliver and ensure Safety considerations are implemented across programmable elements within the MOD equipment.

The role will see you working on the latest submarine projects where you must be eligible for Security Clearance. You will also be undergoing the following tasks:

  • Conducting Programmable Elements Safety Engineering Activities, such as PHA, FTA and PSSA/SSA in support of the Combat System Design Safety Justification and Whole Boat Safety Case
  • Determining the causes of: Systematic Programmable Elements Safety failures, Common cause analysis
  • Defining and monitoring Programmable Elements Safety Requirements and compliance with CASS TOES
  • Organising and contributing to Hazard Identification workshops and Safety Committee meetings
  • The integration/acceptance of Commercial off the Shelf (COTS) products
  • Engaging with third parties, such as equipment or system suppliers, to review and gather supporting Programmable Elements Safety evidence in accordance with Def Stan 00-055
  • Reporting the progress of Programmable Elements Safety Engineering activities at Project and Programme reviews
  • Working within an established Safety Management System you will bring your expertise and experience to make recommendations for improvements

The ideal candidate will also have the following experience: 


  • Demonstrable experience in Programmable Elements Safety Engineering and activities contributing to the production of Fault Tree Analysis (FTA) and Safety Integrity Level (SIL) allocation documents in order to develop Preliminary system safety assessment (PSSA) System Safety Assessment (SSA)
  • Able to demonstrate experience in understanding safety of systems with Programmable Elements in accordance with Def Stan 00-055, Def Stan 00-056
  • Experience in Safety Engineering and Programmable Elements Safety Requirements in accordance with IEC/BS EN 61508 in defence domain
  • Able to demonstrate competence in rigour of Software Development Safety Integrity Level (SIL) Design Assurance Level (DAL) depending on industry experience


  • Relevant engineering qualification such as BEng/ MEng or equivalent experience
  • Incorporated Engineer or Chartered Engineer or working towards

The role is based in Frimley, Surrey but can also be based in Bristol, Weymouth, Portsmouth and Plymouth. Salary is up to £55k with hybrid working. 

To apply or be considered for the role please contact Grace on 07568390304 or email a copy of your CV to 

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