Mechanical Engineer - Nuclear

• Job Description

Overview

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 role

• Whether you work in our offices or at client sites, you will be part of a team delivering a wide range of complex and exciting mechanical engineering and multi-disciplinary projects.
• Whether it's managing timescales, solving problems, or providing guidance to junior engineers, you'll bring energy and focus – helping the team stay calm, connected and focussed on delivering outstanding outcomes for our clients.
• You will enjoy drawing upon your strengths to deliver design and substantiation projects at all stages of the lifecycle, from providing technical input to bids, budgets and schedules, working with clients to explore feasibility and optioneer engineering solutions, to detailed design and construction.
• You will be able to confidently liaise with, present to, and influence stakeholders at all levels both internally and externally, in understanding their issues, goals, and processes and to build strong, lasting relationships.

About you

• You are someone who brings calm to complexity.
• You enjoy working in fast-paced environments and get a real sense of satisfaction from helping people stay organised and focused.
• You're naturally collaborative – someone who builds strong relationships and keeps communication flowing.
• You're comfortable juggling priorities, solving problems as they arise, and keeping things moving.
• You've worked with a range of engineering tools to design and substantiate mechanical equipment such as mechanical handling systems, machinery, test rigs, or mechanical components.
• You will understand how to deliver complex engineering projects through a structured design process, ensuring we deliver right-first-time solutions to our clients to time, cost and quality.
• You will have experience working in the UK nuclear defence industry and be motivated to continuously develop your skills, whilst making a positive contribution to critical UK nuclear (civil and defence) programmes.

Rewards & benefits

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.

Rewards and benefits – Careers at AtkinsRéalis

About AtkinsRéalis

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.

Additional information

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.

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.