At a Glance
- Tasks: Lead mechanical design for advanced electrolyser technology and improve product performance.
- Company: Global tech leader in electrochemical solutions focused on sustainability.
- Benefits: Generous holiday, competitive pension, free gym, and healthcare access.
- Other info: Inclusive workplace encouraging diverse perspectives and career growth.
- Why this job: Join a dynamic team driving innovation in sustainable energy technologies.
- Qualifications: Degree in Mechanical Engineering and experience in manufacturing environments.
The predicted salary is between 40000 - 50000 £ per year.
About Us
INEOS Electrochemical Solutions (IES) is a global technology business specialising in the development and delivery of advanced electrochemical technologies. Building on our strong foundation in chlor-alkali, we are rapidly expanding in hydrogen and other technologies supporting the energy transition to net zero. Over the past decade, IES has experienced exceptional growth through innovation, technical excellence and collaboration. Today, we continue to expand globally, helping customers deliver electrochemistry‑based solutions in increasingly sustainability‑focused markets. A key part of this growth is our integrated process engineering capability, supporting the design, optimisation and safe delivery of electrochemical plants. At INEOS, we know that diverse perspectives and experiences strengthen our teams and improve the way we innovate and solve problems. We are committed to creating an inclusive workplace where everyone has the opportunity to contribute, develop and thrive. We encourage applications from people of all backgrounds, identities and experiences, including those who may not meet every listed requirement but believe they can bring value to the role.
The Role
Join a highly specialised engineering team developing advanced electrolyser technology for global markets. You’ll play a key role in improving product performance, reliability, and manufacturing capability while ensuring full compliance with SHE and engineering standards.
What You’ll Do
- Lead mechanical design and manufacturing process development for electrolyser technologies
- Support delivery of major projects, including BiChlor & Alkali Water Electrolysis (AWE) and wider capital programmes
- Drive continuous improvement to enhance quality, reduce costs, and increase capacity
- Provide engineering support to in‑house manufacturing, pilot plants, and global supply chain partners
- Contribute to capital projects involving plant expansion, refurbishment, and process optimisation
- Support development and implementation of manufacturing processes including tooling, automation, and plant capability upgrades
- Work closely with suppliers to improve quality, performance, and production capability
- Identify and implement cost reduction and value engineering opportunities
- Carry out design analysis, risk assessments, and testing programmes
- Support the refurbishment and development of new and existing technologies
- Contribute to customer projects, ensuring technical accuracy and successful delivery
What We’re Looking For
- Degree in Mechanical Engineering
- Proven experience in a similar role
- Strong experience in manufacturing, fabrication, and precision engineering environments
- Knowledge of regulatory frameworks such as PED/PSSR, PUWER, LOLER, Machinery Directive
- Experience working with quality system (e.g. ISO 9001)
- Commercial awareness to support EBITDA growth
- Proven problem‑solving skills (e.g. FMEA, root cause analysis)
- Ability to work effectively across teams and with external partners
- Self‑motivated with the tenacity to see tasks and projects to completion
What We Offer
- Generous holiday scheme plus holiday bonus
- Discretionary bonus scheme
- Competitive pension scheme including employer contributions
- Enhanced maternity pay
- Free on‑site gym
- Generous Life assurance
- Access to Healthcare scheme
Job Details
- Location: Runcorn, United Kingdom
- Discipline: Other
- Type: Full‑time
- Business: INEOS Inovyn
- Posted: 24 June 2026
- Closing Date: 15 July 2026
- Requisition ID: 3884
Mechanical Development Engineer in Runcorn employer: INEOS Inovyn
At INEOS Electrochemical Solutions, we pride ourselves on being an exceptional employer, offering a dynamic work environment in Runcorn that fosters innovation and collaboration. Our commitment to employee growth is evident through our comprehensive benefits package, including a generous holiday scheme, competitive pension contributions, and access to a free on-site gym, all while working on cutting-edge technologies that support the energy transition to net zero. Join us to be part of a diverse team where your contributions are valued, and you can thrive in your career as a Mechanical Development Engineer.
StudySmarter Expert Advice🤫
We think this is how you could land Mechanical Development Engineer in Runcorn
✨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 INEOS Inovyn.
✨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 INEOS Inovyn love to hear about practical applications of your skills.
✨Apply Directly on Company Websites
Check out the careers page of INEOS Inovyn 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 Mechanical Development Engineer in Runcorn
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 INEOS Inovyn and the Mechanical Development 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 INEOS Inovyn
✨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 INEOS Inovyn.
✨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 INEOS Inovyn.
✨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 INEOS Inovyn, making you a more appealing candidate.
