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 'Aerospace, Defence, Security and Technology' (ADS&T), 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.Your purpose: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.Whilst your office base will be in Bristol, Manchester, Silchester or 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.What you can bring: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.Why AtkinsRéalis?Looking for a place where you can engineer a better future? AtkinsRéalis is for you. Here, our digital-enabled approach transforms outcomes for people and the environment. You'll have a myriad of projects to choose from and endless possibilities for career growth. More responsibility, acclaimed training programmes and flexible working are part of our inclusive culture of prioritising diversity, health, and happiness.Within ADS&T, we have signed the "Women in Defence" and "Women in Aviation and Aerospace" charters. These pledges include providing opportunities for women to succeed at all levels. We're also committed to being a Military friendly employer and have been recognised with the Ministry of Defence's (MoD) Gold Employer Recognition Award.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 promoting a diverse and inclusive community - a place where we can all be ourselves, thrive and develop. To help embed inclusion for all, from day one, we offer a range of family friendly, inclusive employment policies, flexible working arrangements and employee networks to support staff from different backgrounds. As an Equal Opportunities Employer, we value applications from all backgrounds, cultures and ability.#LI-ADST | #LI-UK #J-18808-Ljbffr