Senior / Principal Mechanical Engineer - Nuclear (Civil & Defence)...

Job Description Job Description Are you an experienced Mechanical Engineer who is passionate about making the world a better place? Would you be excited to play a part in supporting the fight against climate change? Do you thrive in collaborative, creative environments? Are you looking for a challenging role that allows flexible working and work-life balance? If this sounds like you, then we\’d love to hear from you. We are looking for Senior / Principal Mechanical Engineers to join our expanding Reactor Operations team, based in the UK. In this role, you will lead and manage a diverse and challenging range of complex projects for our clients, with opportunities to work within AtkinsRéalis design teams or directly with our clients by being embedded into their major programmes. Whether you possess a breadth of experience from working across different markets or industries, or you are a Subject Matter Expert, we have the pipeline of opportunities to ignite your career and take your skills and experience to the next level. The variety and scale of projects we work on means that there is something for everybody, and we work hard to make sure that all of our staff have fulfilling and rewarding careers. Whatever our individual roles, we approach everything we do with a sense of curiosity, care, courage and community. You will have the opportunity to apply your existing skills and develop new skills across a wide range projects across the full UK nuclear industry. In Reactor Operations, your core work will involve leading the design and substantiation of mechanical equipment to the highest standards of safety, quality, and efficiency, to enable the continued operation and life extension of our UK fleet of nuclear power stations and nuclear-powered submarines. Our team also work closely with our Power New Build business, supporting Hinkley Point C, Sizewell C, and the development of Small Modular Reactors and Fusion Energy reactors, as well as our Decommissioning business, supporting the safe dismantling, processing and packaging of nuclear waste at the UK\’s nuclear estate at Sellafield and across the UK\’s decommissioning power stations and nuclear-powered submarines. Your purpose: – Leading on the delivery of a wide range of mechanical engineering projects. – Provide technical expertise and guidance to project teams. – Performing feasibility and optioneering studies to generate design solutions to problems. – Development of engineering solutions through the design lifecycle; Concept, Scheme, Detailed Design and Construction. – Supporting the development of bids and value propositions. – Management of project budgets, schedules, and resources to ensure timely and cost-effective delivery. – Confidently liaising with, presenting to, and influencing stakeholders at all levels both internally and externally, in understanding their issues, goals, and processes and to build strong, lasting relationships. – Supporting and developing the careers of junior engineers, fostering a culture of continuous learning and development. What you can bring: – Degree qualified mechanical engineer, or other relevant qualification. – Chartered or incorporated with a relevant professional institute e.g., IMechE. – Experience leading the design and/or substantiation of mechanical equipment, which could include mechanical handling systems, machinery, test rigs, or mechanical components. – Experience operating engineering software for production of 3D CAD models, drawings, calculations, and Finite Element Analysis models. – Experience working within design codes, standards and regulations typical for the engineering industry e.g., ASME, Eurocodes, BS EN13001, RCC-M, machinery directive, HS&E legislation. – Experience in hazard / fault identification studies e.g., ERICPD, HAZOP, HAZAN, FMEA. – Experience in writing, checking, reviewing, and approving technical reports and documentation e.g., design calculations, basis of design, safety case reports, design reports. – You are comfortable using your own judgement when managing uncertainty and technical risk. – You are excited when you identify new opportunities, win work and contribute to growth. – Previous experience of working in the UK nuclear defence industry. Why work for AtkinsRéalis? The UK is the first major economy to legislate for a Net Zero target by 2050. To achieve this, our Energy Teams are ensuring a mix of secure and sustainable energies that can meet our industry and lifestyle demands today, and in 30 years\’ time. We help to power our world through exciting new technologies and intelligent cybersecurity systems on projects that vary greatly in size, scope, and scale. So, you\’ll be creating the right safe and resilient systems across nuclear power, renewables, decarbonisation development, new builds and energy efficiency. We value your diversity and believe that everyone deserves to thrive – no exceptions. You\’ll be part of a culture committed to finding new talent from underrepresented groups. We\’re Disability Confident, an Inclusive Employer, and support STEM Returners. We also want to see more women in senior roles at AtkinsRéalis. In the energy sector, we\’ve signed up to the AXIS Pledge, promising to make equal pay, equal leadership, and equal opportunities a reality. 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-Energy #RoadJobs #MechNPJobs 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.