Senior / Principal Autonomous Systems Safety Engineer

AtkinsRéalis UK Limited; West of England; Hybrid; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Hybrid working

Professional development

Employee rewards

Flexible holiday allowances

Job summary

AtkinsRéalis UK Limited is seeking a Senior/Principal Autonomous Systems Safety Engineer to deliver safety-critical solutions for autonomous and AI-enabled systems within defence. You will lead safety assurance activities across complex software-intensive platforms, applying industry standards and arguing for robust safety cases.

You will mentor junior engineers, engage with customers and regulators, and shape next‑gen safety approaches while contributing to capability growth and technical

Qualifications

• Proven experience delivering safety engineering or safety assurance in UK Defence or safety-critical industries.
• Experience developing and maintaining Safety Cases, Safety Assessments, Hazard Logs and assurance arguments.
• Strong understanding of hazard identification, risk assessment and safety requirements methods.
• Knowledge of systems engineering principles across the lifecycle.
• Experience with safety-critical, autonomous, AI-enabled or software-intensive systems.

Responsibilities

• Lead development and delivery of Safety Cases, Safety Assessments and assurance arguments for autonomous and AI-enabled systems.
• Manage Hazard Logs and support hazard identification, risk assessment and risk management activities.
• Derive, allocate and verify safety requirements across the lifecycle of complex systems.
• Apply defence safety standards and assurance frameworks such as Def Stan 00-056 and 00-055.
• Provide strategic and technical leadership as a Subject Matter Expert for autonomous systems safety.
• Engage with Defence customers, regulators and industry groups to support certification.
• Provide safety engineering guidance to systems, software, hardware and integration teams.
• Produce clear, robust technical reports and client deliverables.
• Support business development and mentoring of junior safety engineers.

Skills

Autonomous safety

Safety engineering

Defence sector

Stakeholder management

Education

Engineering degree

Tools

Def Stan 00-056

Job description

Job Description Overview

AtkinsRéalis is one of the UK's leading engineering and consultancy organisations, supporting complex programmes across Defence, Aerospace, Nuclear and other highly regulated sectors.

As demand for our services grows, we are looking for a Senior/Principal Autonomous Systems Safety Engineer to help deliver safety-critical solutions for autonomous and AI-enabled systems across the defence sector.

Previous experience in safety engineering for software-intensive, autonomous or AI-enabled systems is essential; experience across Land, Maritime, Air or Weapons, Ordnance, Munitions and Explosives (WOME) domains would be beneficial.

Your role

As an Autonomous Systems Safety Engineer, you will deliver safety engineering and safety assurance activities across complex autonomous, software-intensive and AI-enabled systems.

Working with clients and multidisciplinary teams, you will provide authoritative safety advice, develop robust assurance arguments, and support the safe introduction of autonomy into Defence environments.

This role combines deep technical expertise with the ability to communicate clearly, influence decision-making and navigate complex stakeholder environments. You will help shape future approaches to autonomous systems safety while contributing to capability growth, technical leadership and mentoring across the team.

Your responsibilities may include:

• Leading and supporting the development, maintenance and delivery of Safety Cases, Safety Assessments and assurance arguments for autonomous and AI-enabled systems.
• Managing Hazard Logs and supporting hazard identification, risk assessment and risk management activities, including techniques such as FHA, STPA and Bow Tie Analysis.
• Deriving, allocating and verifying safety requirements throughout the lifecycle of complex autonomous, software-intensive and AI-enabled systems.
• Applying recognised defence safety standards and assurance frameworks, including Def Stan 00-056, Def Stan 00-055 and emerging autonomy and AI assurance approaches.
• Providing strategic and technical leadership as a Subject Matter Expert for autonomous systems safety across programmes and bids.
• Engaging with Defence customers, regulators, assurance bodies and industry working groups to support acceptance and certification.
• Providing safety engineering guidance to systems, software, hardware, integration and data specialist teams.
• Producing clear, robust and well-structured technical reports, safety documentation and client deliverables.
• Supporting business development, capability growth and the mentoring of more junior safety engineers and consultants.

About you

You are an experienced safety professional with strong expertise in software-intensive, autonomous or AI-enabled systems. You can apply sound engineering judgement, communicate clearly with technical and non-technical stakeholders, and work collaboratively across multidisciplinary teams.

Essential skills and experience

• Proven experience delivering safety engineering or safety assurance activities within UK Defence, Aerospace or another safety-critical industry.
• Experience developing and maintaining Safety Cases, Safety Assessments, Hazard Logs and assurance arguments in line with recognised defence standards and good practice.
• Strong understanding of hazard identification, risk assessment, risk management and safety requirements methodologies.
• Knowledge of systems engineering principles and their application across the engineering lifecycle.
• Experience working on safety-critical, mission-critical, high-integrity, software-intensive, AI-enabled or autonomous systems.
• Knowledge of UK Defence safety frameworks, including Def Stan 00-056, Def Stan 00-055 and associated assurance expectations.
• Experience supporting certification, assurance or acceptance of safety-critical systems.
• Experience applying or developing assurance approaches for autonomous or AI-enabled systems, including emerging frameworks such as AMLAS, SACE or equivalent.
• Ability to influence senior stakeholders, customers, regulators and assurance authorities through clear, evidence-based technical advice.
• Degree qualified, or equivalent experience, in Engineering, Mathematics, Physics, Computer Science or a related STEM discipline.

Desirable skills and experience

• Experience with advanced safety analysis techniques such as STPA, SOTIF, FMECA, FTA or equivalent methods.
• Experience developing assurance approaches for uncrewed, robotic or multi-agent autonomous systems.
• Experience applying simulation, modelling, virtual testing or scenario-based assurance for autonomous systems.
• Knowledge of recognised functional safety and safety of intended functionality standards, including PAS 8800, ISO 26262 or ISO 21448.

Rewards & benefits

Explore the rewards and benefits that help you thrive - at every stage of your life and your career. Enjoy competitive salaries, employee rewards and a brilliant range of benefits you can tailor to suit your own health, wellbeing, financial and lifestyle choices. Make the most of a myriad of opportunities for training and professional development to grow your skills and expertise. And combine our hybrid working culture and flexible holiday allowances to balance a great job and fulfilling personal life.

Rewards and benefits – Careers at AtkinsRéalis

About AtkinsRéalis

We’re AtkinsRéalis, a world-class engineering services and nuclear organization. We connect people, data and technology to transform the world’s infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project managers, we can change the world. We’re committed to leading our clients across our various end markets to engineer a better future for our planet and its people. Find out more.

Additional information Security clearance

This role may require security clearance and offers of employment will be dependent on obtaining the relevant level of clearance. If this is necessary, it will be discussed with you at interview. The vetting process is delivered by United Kingdom Security Vetting (UKSV) and may require candidates to provide proof of residency in the UK of 5 years or longer. If applying to this role please do not make reference to (in conversation) or include in your application or CV, details of any current or previously held security clearance. We are committed to creating a culture where everyone feels that they belong - a place where we can all be ourselves, thrive and develop to be the best we can be. So, we offer a range of family friendly, inclusive employment policies, flexible working arrangements and employee resource groups to support all employees. As an Equal Opportunities Employer, we value applications from all backgrounds, cultures and ability. As a Disability Confident Leader, we are committed to offering an interview to all applicants who have a disability and meet the essential criteria. If you would like to be considered under this commitment, please let us know at the application stage.

Worker Type Employee Job Type Regular

At AtkinsRéalis, we seek to hire individuals with diverse characteristics, backgrounds and perspectives. We strongly believe that world-class talent makes no distinctions based on gender, ethnic or national origin, sexual identity and orientation, age, religion or disability, but enriches itself through these differences. Created by the integration of long-standing organizations dating back to 1911, AtkinsRéalis is a world-class engineering services and nuclear company dedicated to engineering a better future for our planet and its people. We create sustainable solutions that connect people, data and technology to transform the world’s infrastructure and energy systems. We deploy global capabilities locally to our clients and deliver unique end-to-end services across the whole life cycle of an asset including consulting, advisory & environmental services, intelligent networks & cybersecurity, design & engineering, procurement, project & construction management, operations & maintenance, decommissioning and capital. The breadth and depth of our capabilities are delivered to clients in strategic sectors such as Engineering Services, Nuclear and Capital.

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