Are you a Mechanical Design Engineer who thrives on solving difficult engineering problems? Are you drawn to complex projects and eager to develop your technical leadership skills by heading multi-disciplinary projects?If so, you might enjoy tackling the energy industry’s most pressing mechanical engineering challenges across various energy systems for diverse clients. Projects may include designing test rigs for UK nuclear fusion development, assessing structural integrity of primary plant for civil and defense applications, designing high-integrity structures for new nuclear facilities, or leading renewable energy initiatives within a growing carbon net-zero portfolio. The role involves managing multiple projects simultaneously, so adaptability is essential. The constant is the complex nature of these jobs and the opportunity to deliver innovative solutions to a range of clients.Whatever the projects, you’ll develop engineering solutions to industry challenges, contributing significantly to the UK’s energy and environmental security.If you are a self-starter capable of managing multiple projects, working closely with clients and internal teams to understand requirements, initiate projects, and deliver first-time-right solutions, we encourage you to apply.Role Requirements:Deliver projects, lead teams and programs, or work directly with clients embedded in major programs.Work in a collaborative environment, spending at least half of your time in an office or site setting.Supervise and review code-compliant calculations, approve technical documents, manage design activities (CAD designs and drawings), and liaise with project managers and directors on commercial matters.Bring sound commercial awareness to supervise teams and ensure timely, quality, and cost-effective delivery.Essential Criteria:Degree qualified mechanical engineer or relevant qualification.Experience with industry design codes (ASME, Eurocodes, BS EN13001, RCC-M, HS&E legislation).Experience in requirements capture, including functional, non-functional, stakeholder, and regulatory requirements.Experience supervising optioneering studies and reviewing mechanical substantiation for new or existing designs.Proficiency in technical report writing, review, and approval.Excellent stakeholder communication and influence skills at all levels.Proven success leading engineering projects with various team sizes.Experience delivering mechanical engineering solutions.Preferred Experience:Experience in safety-critical, regulated environments, including bid authoring.Knowledge of nuclear industry safety cases.Experience with hazard/fault identification studies (e.g., HAZOP, FMEA).Chartered status or nearing application with a relevant professional institute.Why work for AtkinsRéalis?The UK’s commitment to Net Zero by 2050 drives our nuclear and clean energy initiatives. We develop secure, sustainable energy solutions, including nuclear, renewables, decarbonization, and energy efficiency projects, contributing to a safer, resilient energy future.Benefits:Enjoy a tailored Total Reward package, including flexible holidays, health & wellbeing benefits, and career development support. We promote diversity and inclusion, offering flexible working and support for disabilities.About Us:AtkinsRéalis is a global leader in design and engineering with over 100 years of expertise, committed to delivering projects with a positive, sustainable impact.Additional Information:This role may require security clearance, contingent upon UKSV vetting, which may include proof of residency in the UK for 5+ years. Please do not mention or include current or previous security clearances in your application.We are committed to diversity and inclusion, welcoming applications from all backgrounds and abilities. #J-18808-Ljbffr