Nuclear Island Assembly Engineer

Are you passionate about engineering? Do you want to make a difference?  

You could be one of our 54k+ colleagues in over 30 countries working on inspiring projects in the most innovative companies.  

Join us and start building tomorrow’s world today!

What will you be doing? 

Are you ready to take your mechanical design and integration skills into one of the most exciting and critical industries of our time? We’re looking for a Nuclear Island Assembly Engineer to support a cutting-edge nuclear project focused on the development and design integration of modular systems.

Your main responsibilities will be: 

• Progress the mechanical design and development of modular assemblies through internal design reviews.
• Collaborate with layout, installation, and CAD engineers to ensure smooth physical integration across systems.
• Translate stakeholder requirements and assumptions into practical, buildable solutions.
• Identify, understand, and manage design risks in alignment with safety and programme constraints.
• Maintain strict adherence to health, safety, and environmental standards in all aspects of work.
• Ensure design quality is upheld through formal technical reviews and project lifecycle gates.
• Provide support to configuration and data management efforts across the engineering lifecycle.

Who are we looking for? 

We’re after someone who’s not only technically strong but thrives in cross-functional environments where clarity, precision, and smart engineering matter. You'll be confident working across disciplines and driven to push high-quality design integration forward.

You are... 

• Passionate about engineering 
• result-oriented 
• proactive

Experience, skills and qualifications required: 

• A Bachelors or Masters degree in Mechanical Engineering or a related discipline.
• Experience working on complex mechanical installations or modular assemblies.
• Strong background in design integration and design-for-assembly principles.
• Familiarity with the challenges of working in highly regulated industries (nuclear, defence, aerospace, etc.).
• Understanding of configuration control and data management processes.
• Confident with technical documentation and review processes.
• Awareness of industry standards related to mechanical safety, manufacturing, and quality assurance.
• 5+ years of experience nuclear (preferred) or a related discipline. 

Why join us? 

We foster a community of dually talented individuals who are both entrepreneurs and technology specialists. Our teams embody the spirit of innovation and entrepreneurship, enabling us to develop solutions most efficiently. 

Our commitment to sustainable growth is unwavering, and we continuously strive for accelerated transformation and continuous improvement. Through ALTEN labs, mentoring programs, internal universities, and more, we are always pushing boundaries and embracing new possibilities. 

We offer incredible opportunities to join inspiring projects in the most innovative companies. 

We prioritise your career development with personalised support plans tailored to your own aspirations. We're here to empower you and help you reach your full potential. 

Join our passionate team and start building tomorrow, today! 

In short you get: 

• A personalised career path and a rewarding management style 
• A chance to work on the most exciting engineering projects and technologies along with Premium Customers
• A huge diversity of engineering projects and industries
• A competitive salary
• Private Medical Insurance
• Pension Scheme
• Cycle-to-work Scheme among many additional benefits
• Social atmosphere, regular gatherings, and team buildings
• Flexible way of working (role dependent)