At a Glance
- Tasks: Design innovative mechanical solutions for complex projects at Sellafield.
- Company: Join a leading design and engineering partner with a focus on collaboration.
- Benefits: Competitive salary, medical cover, family-friendly perks, and professional development support.
- Why this job: Make a real impact on sustainability and safety in a unique industrial environment.
- Qualifications: HNC in relevant discipline or equivalent experience; knowledge of Autodesk products is essential.
- Other info: Flexible working options and a supportive team culture to help you thrive.
The predicted salary is between 36000 - 60000 £ per year.
We’ll inspire and empower you to deliver your best work so you can evolve, grow and succeed – today and into tomorrow. We offer an exciting range of opportunities to develop your career within a supportive and diverse team who always strive to do the right thing for our people, clients and communities.
People are our greatest asset, and we offer a competitive package to retain and attract the best talent.
In addition to the benefits you’d expect, UK employees also receive free single medical cover and digital GP service, family-friendly benefits such as enhanced parental leave pay and free membership of employee assistance and parental programmes, plus reimbursement towards relevant professional development and memberships. We also give back to our communities through our Collectively program which incorporates matched-funding, paid volunteering time and charitable donations.
Work-life balance and flexibility is a key focus area for us. We’re happy to discuss hybrid, part-time and flexible working hours, patterns and locations to suit you and our business.
About the Opportunity
Amentum is the Design and Engineering partner for Sellafield under the PPP (Programme and Project Partners). This is a 20-year arrangement to deliver ~£7bn of major projects. We are looking to recruit high value expertise from across regulated and comparable sectors to work in a collaborative environment. PPP is delivering major projects, site wide improvements and provision of supporting services.
The Project
The Sellafield Product and Residue Store Retreatment Plant (SRP), being delivered by the Programme and Project Partners (PPP), will safely receive all special nuclear material packages from existing storage locations across the Sellafield site before retreating them into new 100-year packages for safe storage. The SRP facility will enable all special nuclear material to remain safe and secure in its store into the next century and beyond and therefore plays a key role in delivering Sellafield’s purpose to create a clean and safe environment for future generations.
The Role
SRP now has an exciting opportunity for a Senior Mechanical Designer to join the team in Birchwood, Warrington.
As a Senior Mechanical Designer your responsibilities could include:
Production of computer aided design drawings from concept level through to manufacturing detail, meeting relevant standards and specifications.
Ensuring design deliverables meet required standards of accuracy and quality, that all drawings are appropriately verified and performing verification of colleagues’ drawings.
Deliver mechanical work scope, production and checking, reporting to a Principal Engineer.
Produce detail drawings using Inventor / AutoCAD software (including familiarity with Inventor Vault), including GA’s, manufacturing details, Layout drawings.
Modify and update existing drawings and diagrams as the design matures during testing and manufacture.
As a Senior Mechanical Designer , you will already have:
Qualification to HNC Standard as a minimum in a relevant discipline, or equivalent experience and knowledge.
Knowledge of Autodesk Products (Autocad, Inventor, RECAP) plus other 3D systems
Competent working within standards and procedures (BS 8888).
Experience of working within a highly regulated industry
Our Culture:
Our values stand on a foundation of safety, integrity, inclusion and diversity. We put people at the heart of our business, and we genuinely believe that we all succeed by supporting one another through our culture of caring. We value positive mental health and a sense of belonging for all employees.
We aim to embed inclusion and diversity in everything we do. We know that if we are inclusive, we’re more connected, and if we are diverse, we’re more creative. We accept people for who they are, regardless of age, disability, gender identity, gender expression, marital status, mental health, race, faith or belief, sexual orientation, socioeconomic background, and whether you’re pregnant or on family leave. This is reflected in our wide range of Global Employee Networks centered on inclusion and diversity.
We partner with to help us attract and retain diverse talent. For greater online accessibility, please visit to view and access our roles. As a Disability Confident employer, we will interview all disabled applicants who meet the minimum criteria for a vacancy. We welcome applications from candidates who are seeking flexible working and from those who may not meet all the listed requirements for a role.
If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact
Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at .
Senior Mechanical Designer employer: Amentum
Contact Detail:
Amentum Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Mechanical Designer
✨Tip Number 1
Network like a pro! Reach out to current employees at Sellafield or similar companies on LinkedIn. A friendly chat can give you insider info and might just lead to a referral.
✨Tip Number 2
Prepare for the interview by brushing up on your knowledge of Total Productive Maintenance (TPM) and modularised build techniques. Show us you’re not just a designer, but a problem solver who can tackle complex challenges.
✨Tip Number 3
Don’t forget to showcase your experience with Autodesk products! Bring examples of your previous work that highlight your skills in AutoCAD and Inventor during the interview.
✨Tip Number 4
Apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re serious about joining our team.
We think you need these skills to ace Senior Mechanical Designer
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to the Senior Mechanical Designer role. Highlight your experience with Autodesk products and any relevant projects you've worked on, especially those involving modularised build techniques or sustainability.
Showcase Your Team Spirit: We love collaboration! In your application, mention any experiences where you’ve worked in multi-discipline teams. This will show us that you can thrive in our collaborative environment at PPP.
Be Clear and Concise: When writing your cover letter, keep it clear and to the point. We want to see your passion for engineering and how you can contribute to the Sludge Handling and Export Plant project without waffling on.
Apply Through Our Website: Don’t forget to apply through our website! It’s the best way for us to receive your application and ensures you’re considered for this exciting opportunity to drive change in engineering at Sellafield.
How to prepare for a job interview at Amentum
✨Know Your Stuff
Make sure you brush up on your knowledge of Autodesk products like AutoCAD and Inventor, as well as the relevant UK regulations. Being able to discuss how you've applied these tools and standards in past projects will show that you're not just familiar with them, but that you can use them effectively in a real-world context.
✨Show Your Collaborative Spirit
Since this role involves working within a multi-discipline design team, be prepared to share examples of how you've successfully collaborated with others in the past. Highlight any experiences where you’ve liaised with clients or other design disciplines, as this will demonstrate your ability to work well in a team environment.
✨Emphasise Problem-Solving Skills
The Senior Mechanical Designer role will involve tackling complex challenges, especially with the Sludge Handling and Export Plant project. Be ready to discuss specific problems you've encountered in previous roles and how you approached solving them. This will showcase your critical thinking and innovation skills.
✨Prepare Questions
Interviews are a two-way street, so come armed with thoughtful questions about the company’s approach to sustainability and modularised build techniques. This shows your genuine interest in the role and helps you assess if the company aligns with your values and career goals.