Company Description Assystem is an international company with one mission: accelerate the energy transition around the world. Every day, our 7,500 switchers located in 12 countries (Europe, Middle East, Pacific Asia & Africa) connect their six thousand billion neurons to tackle the task of the century: switching to low-carbon energy. We are a collective committed to the actors who are making the energy switch. Sharing our knowledge, expertise and values allows us to innovate and think differently about the energy transition. Drawing on more than 55 years' experience in highly regulated sectors subject to strict security and safety requirements, we provide our customers with engineering and project management services, as well as digital services and solutions to optimize the performance of complex infrastructure projects throughout their life cycle. The Group is currently ranked second in the world for nuclear engineering. To ensure a viable, efficient, and reliable energy future for all. Job Description Your future team: As Lead Mechanical Engineer, you will play a crucial role in driving the success of our highly collaborative and technically skilled engineering team. Your expertise and leadership will not only support project goals but also support our culture of innovation, teamwork, and continuous improvement. Your missions: The Lead Mechanical Engineer will be responsible for ensuring that engineering standards are met and guiding team members through complex challenges. By mentoring junior engineers, coordinating with cross-functional teams, and contributing to strategic planning, you will help elevate the team's capabilities and directly impact the successful execution of our projects. As Lead Mechanical Engineer you will: Lead and guide a dynamic team, shaping the success of projects related to the design of mechanical services within a nuclear-licensed site. Drive innovation in piped services design, exploring and implementing new technologies and methodologies to enhance efficiency, safety, and overall project success. Act as a key point of contact for clients, fostering and maintaining strong relationships and represent the organisation in a client-facing capacity, contributing to its reputation for excellence in service delivery. Ensure adherence to stringent regulatory requirements within the nuclear industry, demonstrating a keen understanding of safety standards and compliance. Why join the community of Switchers? As one of the Top 3 Nuclear Engineering companies in the world, Assystem offer a competitive benefits package which includes: 25 days of annual leave bank holidays 8% company pension contributions Healthcare cash-plan to get money back on dental, medical, physical care Employee assistance programme including 24/7 access to free mental health support, virtual gym classes and more Get professional and industry membership fees paid for. Qualifications Qualifications/Skills to be successful: We are seeking somebody with strong leadership skills who will act with integrity and instil this value in others. You must focus on delivering quality on time and within budget and have an appreciation of wide technical issues beyond your own discipline. The Lead Mechanical Engineer should: Be educated to degree level as a minimum Be experienced in working within multi-disciplinary design teams Have in-depth knowledge of British and American pipework design codes Have knowledge of BIM and LOD100 to LOD400 Be experienced in pipework design and design substantiation in a highly regulated industry It would also be beneficial if you have experience in the following: Civil or Process Engineering On-site assessments and surveys Fluid dynamics, including HVAC for water and air systems AutoCAD, Inventor, or MathCAD Construction management Additional Information Permanent staff position Hybrid working opportunities available SC clearance required, BPSS to start All candidates must be sole UK nationals due to security and client requirements We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter. Bring your unique contributions and help us shape the future