Senior Mechanical Engineer

Overview

Are you inspired by the opportunity to contribute to fast‑paced, complex projects at the forefront of the nuclear industry? If so, this is your chance to help shape the future of nuclear with purpose and impact.

AtkinsRéalis is a leading global multi‑disciplinary consultancy where your work goes beyond a job, it becomes a meaningful contribution to shaping a more sustainable future for generations to come. We take pride in fostering an inclusive and collaborative environment where diverse perspectives are valued, and everyone's voice is heard and respected.

Our Nuclear business continues to grow, supported by strong momentum across the UK's nuclear renaissance. As part of this growth, our Mechanical and Electrical Capability is expanding, and we are looking for Senior Mechanical Engineers to join us across design, project, and site‑based roles. We are committed to understanding your strengths and aspirations, helping you find a role where you can truly thrive.

In this role, you will have the opportunity to:

• Apply your technical expertise to contribute meaningfully to innovative projects across the nuclear industry
• Influence outcomes by delivering thoughtful, high‑quality engineering solutions
• Bring your experience or awareness of engineering practices within safety‑regulated environments into practical application
• Collaborate across multidisciplinary teams to support successful project delivery
• Contribute to a range of specialisms, including:
• Mechanical handling
• Large‑scale diesel equipment
• Turbine generators and associated balance‑of‑plant systems
• Mechanical and electrical layouts
• Installation and engineering delivery
• Grow your skills and confidence while working in a dynamic and purpose‑driven environment

We are looking for individuals who are motivated, capable, and eager to make a meaningful contribution. You may identify with the following:

• Chartered or Incorporated Member of a recognised professional institution
• Experience, or a strong awareness, of engineering practices within safety‑regulated industries
• Ability to apply technical expertise to influence outcomes and deliver effective solutions
• Exposure to, or interest in, areas such as mechanical handling, diesel equipment, layouts, or installation
• A collaborative and inclusive approach, with the confidence to contribute ideas and work effectively with others
• A proactive mindset, with a genuine interest in continuous learning, development, and making a positive impact

Explore the rewards and benefits that help you thrive – at every stage of your life and your career. Enjoy competitive salaries, employee rewards and a brilliant range of benefits you can tailor to suit your own health, wellbeing, financial and lifestyle choices. Make the most of a myriad of opportunities for training and professional development to grow your skills and expertise.

And combine our hybrid working culture and flexible holiday allowances to balance a great job and fulfilling personal life.

Be rewarded. Find out more.

We’re AtkinsRéalis, a world‑class engineering services and nuclear organization. We connect people, data and technology to transform the world's infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project managers, we can change the world. We’re committed to leading our clients across our various end markets to engineer a better future for our planet and its people.

Find out more.

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  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 creating a culture where everyone feels that they belong – a place where we can all be ourselves, thrive and develop to be the best we can be. So, we offer a range of family friendly, inclusive employment policies, flexible working arrangements and employee resource groups to support all employees. As an Equal Opportunities Employer, we value applications from all backgrounds, cultures and ability.

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