RSE
Mechanical Design Engineer

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Mechanical Design Engineer
What Are We Looking For?
Our Asset Management business platform is looking for a Mechanical Design Engineer to join the division on a permanent basis and support on projects across the UK. You will work as part of our in-house, multidisciplinary design team and take on a key role in all aspects of projects from scoping and detailed design right through to implementation, ensuring compliance with Client Specifications and current regulatory standards.
Some Of Your Key Duties Include
Developing mechanical design aspects of projects from inception to implementation. Ensuring compliance with Client specification and current regulatory and industry standards. Participating in project review meetings, safety studies (HAZOP), etc. Consideration of project health and safety, quality, and environmental matters. Liaising with all key stakeholders for the projects. Liaising with equipment suppliers to develop design solutions
What Do You Need?
Degree/HND/HNC in Mechanical Engineering or equivalent. Mechanical design engineering experience within municipal water/wastewater treatment is highly desirable. Experience of working in a multidiscipline design team. Experience of working at all design stages, from optioneering/FEED through to construction support and As-Built is highly desirable. Possess the ability to work on multiple projects consecutively. Full UK Driving Licence
Who Are We?
RSE is a trusted clean water technology company, developing market leading products and solutions for purifying drinking water, recycling wastewater and cleaning water in industrial processes. We are disrupting the water sector, delivering water treatment products, technologies, and services to clients across the UK. RSE provides offsite modular build solutions using a low-carbon approach compared to traditional construction methods and our unique offering to the market focuses on innovation, efficiency, and excellence.
Reasons to use Rodeo
I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.
Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.
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Graduate Consultant — 2026 Scheme
Why you're a good match
StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
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Why you're a good match
You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
Experience fit
Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.
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Established in 1982, RSE has grown into one of the most prominent MEICA engineering businesses in the UK water industry. We have created a complete in-house and full-service capability from project inception through to design, fabrication, and delivery by means of installation and commissioning. We additionally have one of the largest servicing and maintenance teams in the market, to ensure we’re on hand for all our clients’ needs.
Our service offering presents industry-leading innovative solutions and our dedicated staff play a key role in delivering our sustainability and wider business goals. With over 2000 staff across our group of companies, our strategic ambition will see the business continue to grow as we expand our operations and diversify our products. One of RSE’s key focuses is driving servant leadership and giving our people the opportunity and responsibility to take an entrepreneurial approach in their career development.
What RSE Offer


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To build successful teams and drive the level of quality that RSE is renowned for, we know we need the best people in the industry. Not only do we require the relevant skillsets, but we also need people with the right attitude and mentality to thrive and grow in an innovative and fast-paced environment. At RSE, you’ll be given every opportunity to set the path of your own career through our Business Streams and work within dynamic teams that will require you to rise to the challenge of working for a market leader.
Industry-leading salary based on your experience A flexible career development path, with no restrictions on where your career can go Private Healthcare (Personal) Holiday Allowance of 31 days per year, rising to 33 days per year after 2 years’ service Holiday Buy / Sell Scheme Company Pension Scheme Cycle to Work Discounted National Gym Membership Professional Fees Paid Employee Discount Platform EV/Hybrid Car Lease Scheme Access to our network of health professionals including mental health champions and Occupational Health Nurse.
In a flourishing sector where there are vast career opportunities available, we believe by leading transformation in the industry our offering to the market means our people have the space to thrive.
If you’re interested in a career with a company that will harness your skills and provide you with the support to create your own future within the water industry, apply now.
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