At a Glance
- Tasks: Create innovative design solutions for marine technology products and support project delivery.
- Company: Wärtsilä is a global leader in marine technology, driving sustainable solutions for the future.
- Benefits: Enjoy a collaborative work environment, opportunities for growth, and a focus on sustainability.
- Other info: Some travel may be needed, but most meetings are virtual.
- Why this job: Join a passionate team dedicated to innovation and making a positive impact on the planet.
- Qualifications: Degree in Mechanical Engineering, CAD skills, and strong communication abilities required.
The predicted salary is between 36000 - 60000 £ per year.
Wärtsilä is an innovative technology company known for being a forerunner in the Marine and Energy markets. Every day, we – Wärtsilians - put our hearts and minds into turning Wärtsilä's purpose of enabling sustainable societies through innovation in technology and services into reality. Our ultimate aim is to provide increased value to both our customers and society. New, game-changing ideas and continuous improvement have been part of our DNA since 1834. Together, we can create new business opportunities and more sustainable future that we can all be proud of.
We want to transition the world towards a decarbonised and sustainable future. By pushing the boundaries of engineering and technology, we can make it work. We are always on the lookout for future-oriented talent – want to join the ride?
At Wärtsilä Defence Solutions Limited (WDSL), we support our customers by delivering integrated systems and products that improve lifecycle efficiency, reduce costs, and minimise risk. Our ambition is to enable a cleaner, more sustainable future through advanced engineering and technology.
We are now looking for a Mechanical Design Engineer to join our Design Engineering team in Havant, UK. This role offers the opportunity to work on naval and commercial marine projects, with a strong focus on defence applications.
Role Overview
You will be responsible for the design, analysis, and lifecycle support of marine shaftline seal systems. The role combines detailed engineering design, calculation work, supplier collaboration, and customer support.
What will you be doing?
Design & Engineering
- Produce General Arrangement (GA) drawings and detailed designs for shaftline seal installations
- Develop design solutions that meet technical and project requirements
- Ensure designs comply with engineering standards and data control processes
Analysis & Validation
- Perform and support engineering calculations related to seal performance and system behaviour
- Contribute to technical assessments and design validation activities
Supplier & Product Support
- Support specification and configuration of internally manufactured components
- Liaise with suppliers and manufacturers to ensure technical requirements are met
- Provide technical support during installation, commissioning, and servicing of seal assemblies
- Assist customers throughout the product lifecycle with technical expertise
Documentation & Delivery
- Deliver high‑quality engineering documentation on time
- Maintain accurate product data and records
- Support continuous improvement of engineering processes and tools
To be successful in this role, we expect you to have:
Essential
- Degree in Mechanical Engineering (or equivalent)
- Experience in mechanical design and engineering analysis
- Proficiency in CAD tools (e.g. Solid Edge or similar)
- Ability to effectively communicate with both internal and external customers.
- Strong analytical and problem‑solving skills.
- Excellent attention to detail with a structured and methodical approach to work tasks.
- Fluency in the English language, both verbal and written.
- Competency in the use of normal office software such as MS Excel, Word and Outlook.
Desirable
- Experience in marine equipment, seals, or bearing
- Knowledge of seal design or mechanical calculations
- Familiarity with shock calculations
- Experience with MathCAD, MATLAB, or similar tools
- Understanding of composite materials
- Marine industry experience (preferred)
Security Requirements
Candidates must be eligible to obtain the required level of security clearance for this role.
Why you and us?
- Work on cutting‑edge marine and defence engineering projects
- Be part of a global organisation focused on sustainability and innovation
- Access ongoing training, development, and career growth opportunities
Last application date: 30/10/2026
In case you have any questions about the open position, please contact the hiring manager: Dan Cunnington, Design Engineering Manager, daniel.cunnington@wartsiladefence.com
At Wärtsilä we value, respect and embrace all our differences, and are committed to diversity, inclusion and equal employment opportunities; everyone can be their true self and succeed based on their job‑relevant merits and abilities.
Please note that according to Wärtsilä policy, voluntary consent for a security check may be required from candidates being considered for this position, depending on the applicable country.
This is Wärtsilä
Wärtsilä is a global leader in innovative technologies and lifecycle solutions for the marine and energy markets. Our team of 18,300 professionals, in more than 230 locations in 77 countries, shape the decarbonisation transformation of our industries across the globe. Read more on www.wartsila.com.
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Design Engineer in Havant employer: Wärtsilä
Wärtsilä is an exceptional employer that fosters a culture of empowerment, innovation, and collaboration, making it an ideal place for a Strategic Buyer to thrive. Located in Havant, employees benefit from a supportive environment that encourages personal growth and the sharing of ideas, all while contributing to the company's mission of creating sustainable solutions for the marine and energy sectors. With opportunities for professional development and a commitment to diversity and inclusion, Wärtsilä stands out as a rewarding workplace for those passionate about making a positive impact.
StudySmarter Expert Advice🤫
We think this is how you could land Design Engineer in Havant
✨Get Your Hands Dirty at Engineering Events
Join local engineering meetups or industry conferences related to mechanical engineering. Whether it's a workshop or a career fair, these events are goldmines for networking and getting a foot in the door. Plus, you can showcase your passion and enthusiasm directly to potential employers like Wärtsilä.
✨Connect with Professors & Peers
Tap into your university’s resources—professors often have connections in the industry. Don’t be shy to ask about potential openings or recommendations. Your classmates might also know of companies hiring. Often, it’s who you know that gets you in front of the right people!
✨Highlight Your Projects and Practical Experience
When you land those interviews, make sure to talk about your hands-on projects or internships. Whether it's a design project or hands-on experience with CAD software, specific examples will make you stand out. Companies like Wärtsilä love to hear about practical applications of your skills.
✨Apply Directly on Company Websites
Check out the careers page of Wärtsilä and apply directly through there. It shows initiative and interest in their specific values. Plus, you'll often find openings that aren't advertised on job boards, giving you a better chance to land that full-time gig!
We think you need these skills to ace Design Engineer in Havant
Some tips for your application 🫡
Show Off Your Technical Expertise:In mechanical engineering, it’s vital to highlight your technical skills and projects. Make sure to include relevant software proficiency (like CAD tools) in your CV. If you've worked on specific engineering projects, detail your key contributions — we want to see how you’ve applied your skills in a practical setting!
Focus on Problem-Solving Examples:Employers in mechanical engineering love to see how you handle challenges. Use your cover letter to share specific instances where you’ve solved a complex problem or improved a design. This will show us you're not just knowledgeable but also capable of applying that knowledge effectively.
Highlight Relevant Certifications:Include any relevant certifications or training that can set you apart from the competition. Whether it's coursework from your degree, a recognised certification, or extra training in new technologies, we love to see candidates who continuously improve their skill set. This tells us you're serious about your career in engineering!
Tailor Your CV for the Role:Don’t forget to customise your CV for Wärtsilä and the Design Engineer role specifically. Pull examples from your experience that align with the job description — it shows us you've done your research and are genuinely interested in becoming part of the team. We recommend applying through our website to ensure your application gets to the right people!
How to prepare for a job interview at Wärtsilä
✨Brush Up on Your CAD Skills
Since mechanical engineering often involves design processes, be ready to showcase your proficiency in CAD software like SolidWorks or AutoCAD. Bring along a digital portfolio or even some sketches that demonstrate your design capabilities — it’s a great way to show what you can bring to the table at Wärtsilä.
✨Prepare for Technical Questions
Expect technical questions that test your understanding of engineering principles and problem-solving skills. You might get hypothetical scenarios where you need to design a component or troubleshoot a mechanical system. Practising these types of questions will give you the confidence to tackle whatever comes your way!
✨Show Your Team Spirit
As a full-time mechanical engineer, collaboration is key! Be ready to share examples of past team projects or any experiences where you contributed to solving a complex problem with others. Demonstrating your ability to work in a team will resonate well with the interviewers at Wärtsilä.
✨Discuss Your Future Goals
Since this is a full-time position, your long-term vision is important. Be open about your career aspirations, whether it’s mastering a specific tool or leading projects. This shows that you're committed not just to learning but also to growing with Wärtsilä, making you a more appealing candidate.
