Senior Mechanical Engineer in Derby

Mott MacDonald is a global engineering, management, and development consultancy with over 20,000 employees across more than 50 countries and 140+ offices. We work across incredible global industries, delivering exciting work that is defining our future and making an important societal impact in the communities we serve. Our people power our performance – we succeed when they do. With countless opportunities to collaborate, learn, and grow, the possibilities for excellence are as varied as every individual.

About the business unit

The Energy unit delivers services to clients globally across several sectors including hydropower, nuclear, waste, renewable generation and transmission & distribution networks. Together we provide integrated engineering and project management services across the project lifecycle – from concept and design to construction and operations, to decommissioning or repowering and life extension. Together with our clients, we’re helping to deliver the energy transition globally.

Overview of the role

Due to new project wins and continued growth, we’re looking for a Senior Mechanical Engineer to join our Nuclear; Defence and Civil division. This role offers an exciting opportunity to work as part of a multi-disciplinary design team, working on innovative projects across the defence and nuclear new-build industries. As part of our growing team, you will contribute creating innovative solutions tailored to client needs, producing high-quality technical documentation, and contributing to the successful delivery of nuclear and energy related projects.

Key responsibilities and duties include:

• Produce detailed design drawings, layouts, and P&IDs
• Produce documentation such as condition reports, survey reports, basis of designs, and procurement specifications tailored to each project stage
• Perform and review mechanical design calculations, including stress and fluid flow analysis
• Conduct detailed surveys of mechanical equipment and installations to assess their condition, operational status, and future needs
• Produce and review equipment specifications and plant schedules
• Contribute to bids and estimates, supporting the preparation of proposals
• Ensure compliance with industry regulations, including construction (design and management) standards
• Collaborate with a multi-disciplinary team and communicate effectively with project stakeholders

Candidate specification Requirements:

• Chartered status with the IMechE or other relevant professional body (or equivalent experience with progress toward chartered status)
• Experience in defence, nuclear, or other regulated industries (preferred)
• Strong interpersonal skills, with the ability to build and maintain relationships with clients and stakeholders
• Able to work both independently and collaboratively within a team
• Adaptable and capable of delivering high-quality results within set deadlines

This role offers the opportunity to work at the forefront of the Mechanical Engineering field, delivering impactful projects for some of the industry’s most prominent clients. We are actively recruiting a diverse workforce that is reflective of the communities we serve. We recognise that differences in ability, skills and experience are a strength and encourage applications from people of all backgrounds.

Please be advised that offers for this role are conditional upon obtaining the appropriate level of Security Clearance.

Agile working

At Mott MacDonald, we believe it makes business sense for you and your manager to choose how you can work most effectively to meet your client, team, and personal commitments. We offer a hybrid working policy that embraces your well-being, flexibility, and trust.

Equality, diversity, and inclusion

We put equality, diversity, and inclusion at the heart of our business, seeking to promote fair employment procedures and practices to ensure equal opportunities for all. We encourage individual expression in our workplace and are committed to creating an inclusive environment where everyone feels they can contribute.

AI Usage

At Mott MacDonald, we see the value AI can bring, but we take a people-first approach to hiring. While AI tools can help candidates prepare and build confidence, every application and hiring decision is reviewed by our recruitment and hiring teams. We encourage the responsible use of AI while ensuring we get to know the real person behind the application.

Accessibility

We want you to feel supported and able to perform at your best throughout our recruitment process. If there is anything we can do to make applying or interviewing with us more accessible, please contact us and we'll be happy to discuss how we can help.

We offer some fantastic benefits including:

• Financial wellbeing: We match employee pension contributions between 4.5% and 7%. Life assurance equal up to 4 x your basic salary, with an option to increase the level of cover to 6 x your salary. Our income protection scheme provides a financial benefit, as well as absence and return to work support due to long-term illness or injury. Flexible benefits, including increased life assurance cover, critical illness insurance, payroll saving and will writing.
• Employee Ownership: Our employee ownership model means no external investors, just us, creating a culture of shared success. Our employees have a stake and a voice in our business, giving them a direct connection to our success through our personal and group performance bonuses.
• Health and wellbeing: Private medical insurance for all UK colleagues. Health cash plan to support you with everyday health costs and treatments. Access to Peppy, providing free support from menopause experts for all UK colleagues. A variety of wellbeing support is available through our comprehensive wellbeing program, including access for you and your family.
• Lifestyle: A minimum of 33-35 days holiday each year, inclusive of public holidays and dependent on level, with the ability to buy or sell leave through our flexible benefits programme.
• Learning and development: Primary annual professional institution subscription. A broad range of opportunities to enhance both technical and soft skills through mentoring, formal training, and self-development options.

Apply now, or for more information about our application process, click here.