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Defence Equipment & Support Logo Defence Equipment & Support · IT - Software Development

Expert Services Software Safety Engineer

United Kingdom, Bristol 46400.00 GBP / Year · Job Posted February 17, 2026
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Job Description

Are you passionate about safety, environmental protection, and functional safety? Do you have experience or an interest in complex software and hardware? If so, we have an exciting opportunity for you to join our growing Independent Safety and Environmental Assurance (ISEA) team within Expert Services (ES). The ISEA team is a dynamic group of specialists in safety and functional safety/Programmable Element (PE) assurance. Our mission is to provide independent assurance to safety and environmental responsible staff at all levels, ensuring compliance with legislation, JSP 815, JSP 816, and other lower-level policies such as ASEMS, regulations, and standards, both defence and civilian where applicable. As an ISEA Specialist, you will bring your expertise in legal, policy, regulatory, and standards frameworks to support Defence Equipment and Support (DE&S) environments, technologies, or external customers such as the Submarine Delivery Agency (SDA). You will be working within a significant and expanding assurance area, providing the business with independent safety assurance services across a range of projects and programmes. Collaborating with a team of experts, you will play a key role in delivering assurance services for complex software and hardware systems. This is a fantastic opportunity to be part of a growing team that plays a critical role in ensuring safety and environmental compliance across Defence projects.

Job Responsibility

  • Lead technical software assurance activities and collaborate with stakeholders to ensure the systems and software we deliver is safe
  • Working in a highly regulated area, educate others with relevant legislation, regulation, policy, processes, and standards to provide assurance against technical documentation for a sub-system
  • Identify and analyse software safety acquisition risk reduction measures, ensuring that these are adequately documented and managed
  • Develops and maintains ISEA software assurance plans, monitors compliance, and ensures that software assurance is sufficient to demonstrate that systems are safe to operate
  • Produces, reviews, endorses, and recommends acceptance of software safety related artefacts

Requirements

  • Must have either demonstrable experience of audit and assurance activities to an applicable standard (e.g. ISO 9001, 45001 or 14001)
  • An understanding of Programmable Elements safety in a defence environment, e.g. DEF STAN 00-055
  • Hold a Science, Technology, Engineering and/or Mathematics based qualification at Regulated Qualifications Framework (RQF) Level 4
  • Be professionally registered or intend to be professionally registered with a relevant Professional body/institution related to your discipline, as either: Advanced Registered IT Technician (Adv RITTech) or Registered Scientist (RSci) or Incorporated Engineer (IEng)
  • Core Behaviour 1: Making Effective Decisions
  • Core Behaviour 2: Changing and Improving
  • Technical Competence 1: Safety Management – Practitioner
  • Technical Competence 2: Suitable Systems and Systems Thinking – Practitioner

Nice to have

Knowledge of Defence Standards such as DEF STAN 00-055 and safety standards including IEC 61508, DO-178, and DO-252 would be beneficial.

What we offer

  • 25 days’ annual leave +1 day a year up to 30 days, 8 bank holidays and a day off for the King’s birthday
  • Flexible and hybrid working options
  • Market-leading average employer pension contribution of 28.97%
  • Annual performance-based bonus and recognition awards
  • Access to specialist training and funded qualifications
  • Support for progression
  • Huge range of discounts
  • Volunteering days
  • Enhanced parental leave schemes
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