Do you enjoy working in safety critical industries? Do you like delivering solutions to technically complex problems? Join us as a Senior / Principal Nuclear Safety Engineer and play a vital role in assessing the risks for our nuclear clients to help them and us realise our low carbon energy ambitions, shaping a better future for our planet and its people.Your purpose:On a typical day in this role, you might be leading a team to produce a hazards assessment or authoring a complex safety case, justifying and supporting the critical decision-making in the design, operation, and/or decommissioning of nuclear facilities. You may also influence the client's strategic direction to help obtain a nuclear site licence for their innovative design, network to develop the business pipeline within your capability, or deliver a technical presentation to the regulator.This role provides opportunities to work with diverse clients from defence, nuclear and nuclear new build, including innovative players from the fusion and SMR markets. You will be keen to lead technical delivery of projects, address technically complex problems, and present solutions to different stakeholders. You will have the drive to deliver excellent technical work with attention to detail while keeping the bigger picture in view.You will have the opportunity to contribute to and learn from the wider technical community within AtkinsRéalis, leveraging global expertise to foster collaboration within multidisciplinary engineering teams. You will also play a vital role in developing and mentoring junior engineers to support growth and improve project delivery capability, while strengthening your leadership skills.ResponsibilitiesLead a team to produce hazards assessments and author complex safety cases, justifying critical decisions in design, operation and decommissioning of nuclear facilities.Influence client strategic direction to obtain a nuclear site licence for innovative designs.Network to develop the business pipeline within your capability and deliver technical presentations to regulators.Lead technical delivery of projects, address technically complex problems, and present solutions to stakeholders.Develop and mentor junior engineers to support project delivery and grow the capability of the team.Qualifications and ExperienceSenior/Principal Nuclear Safety Engineer with experience in safety-critical industries, able to lead hazards assessments and safety cases, engage with regulators, and deliver high-quality technical work with attention to detail and the ability to see the bigger picture.Meeting your needs / BenefitsCompetitive salary: £50,000+ per annum plus additional pay in line with our performance philosophy and recognition culture.Car allowance of £5,500 per annum (dependent on grade).Private Medical (dependent on grade).Double matching Company pension scheme (up to 10% company contribution).25 days' holiday entitlement plus the ability to buy an additional 15-day holiday (or sell up to 5 days) to support your work-life balance.Flexible and hybrid working including opportunity to work abroad for up to 20 days per year.Health and Wellbeing - company paid flu jab, digital GP Service, annual health check and access to a wellbeing app.Sustainable benefits - Electric vehicles and cycle to work schemes available on a salary sacrifice basis.Voluntary discounts portal.Paid membership fees to a professional institution.Protection benefits - company paid Life assurance and Income Protection.Other salary sacrifice benefits related to joining the company.Why work for AtkinsRéalis?AtkinsRéalis is committed to promoting a diverse and inclusive community where everyone can thrive. We offer family-friendly, inclusive employment policies, flexible working arrangements, and employee networks to support staff from different backgrounds. We value a diverse and flexible workforce, with no fixed 9–5, no requirement for a full-time contract, and no mandate to spend all time in the office. We are attentive to adjustments you may need and encourage you to discuss these ahead of your interview.We have offices in Bristol, Manchester, Epsom, Derby, Sheffield, and Glasgow, enabling flexibility in where the role can be based. The UK aims for Net Zero by 2050, and our Energy Teams work to secure sustainable energy solutions across nuclear, renewables, decarbonisation, new builds and energy efficiency. You’ll contribute to safe and resilient systems across these areas.We value diverse backgrounds and strive to foster talent from underrepresented groups. We are an inclusive employer and support STEM Returners. We are committed to equal pay, equal leadership and equal opportunities, and have signed the AXIS Pledge to promote these values.Security clearanceThis role may require security clearance and offers are dependent on obtaining the relevant level of clearance. If required, the vetting process is delivered by United Kingdom Security Vetting (UKSV) and may require proof of residence in the UK for 5 years or longer. If applying, please do not reference or include details of any current or previously held security clearance in your application or CV.As an Equal Opportunities Employer, we value applications from all backgrounds, cultures and abilities.Worker TypeEmployeeJob TypeRegular #J-18808-Ljbffr