Principal Nuclear Safety Engineer

AtkinsRéalis
London
Job Description

Overview

Shaping a smarter, more agile world.

You might know us for the great work we do across our wide variety of projects. We're proud to say it's thanks to our people's diversity of thought, expertise and knowledge. And when you join us, you'll be a part of this genuinely collaborative environment, where everyone's voice is valued and treated equally. We're passionate about what we do, but we don't take ourselves too seriously. Simply put, this a great place to be. So, when it comes to your life outside of work, ask us about our flexible and remote working policies designed to help you get the most out of life.

As a Principal Nuclear Safety Engineer in Advanced Engineering Delivery & Consultancy (AEDC), you'll play a vital role in shaping your projects. Working alongside talented colleagues across all disciplines, you'll provide safety case leadership, support and delivery. Working closely with clients, you'll be trusted to lead the development and implementation of solutions to solve their most complex problems. Whilst your office base will be in Glasgow, flexibility in work location is a must-from time to time our clients do call on our team to deliver work from their sites.

Your role

We want you to help us deliver the most significant defence related programmes across the UK. This is an exciting time within the industry, and AtkinsRéalis This includes the design and construction of new infrastructure, life extensions and upgrades, maintaining ongoing operations, and decommissioning. You will be involved with all aspects of safety case support, including:
  • Shaping the nuclear safety case strategy.
  • Working closely with project partners to ensure a safety informed design.
  • Engaging with stakeholders to facilitate 'Right First Time' delivery (incl. designers, client, site, and regulatory body (e.g. DNSR, ONR)).
  • Undertaking safety assessments and safety analysis (e.g. HAZID, HAZOP, FMEA, HAZAN, etc).
  • Producing safety reports and other technical documents (e.g. PSR, PCSR, ALARP reports, etc).
  • Support to Engineering Substantiation activities.
  • Managing/Leading Safety Case activities and teams.

About you

  • You have a proven track record in safety, ideally within the defence and nuclear domain, or other highly regulated industries.
  • You are ready to make the next step in your career and to join a team that will provide opportunities for growth.
  • You will be hungry to expand your knowledge and experience and, thrive in a stretching but supportive environment.
  • You will enjoy innovating and problem solving. You embrace the digital world and be eager to explore how it can be used in the nuclear safety environment.
  • You like to engage with others, making positive strides to aid others develop and grow.
  • You enjoy explaining complex ideas, helping people to 'get it', and then watch them go on and achieve more.
  • You are approachable and can easily build and develop relationships and networks.
  • Honours Degree (or equivalent) in physics, mechanical engineering, or closely related discipline (2:1 minimum).
  • Chartered (or working towards Chartership status).
  • Technical practitioner in the Nuclear/Defence domains, able to demonstrate good engineering judgement with experience in applying fundamental engineering principles.

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.

#AEDCjobs

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.
Posted 2026-10-30

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