Mane Contract Services
Mechanical Engineer

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Mechanical Design Engineer – Water Sector
Locations: Epsom, London, Cambridge or Peterborough
Working Pattern: Hybrid (3 days per week in the office or on project sites)
Contract Type: Contract
We are currently recruiting for an experienced Mechanical Design Engineer to support the delivery of major water and wastewater infrastructure projects across the UK. This is an excellent opportunity to join a well-established engineering team working on technically challenging schemes from initial concept through to construction.
The successful candidate will play a key role in delivering high-quality mechanical engineering solutions, working closely with multidisciplinary teams and clients to ensure projects are completed safely, efficiently and to the highest technical standards.
Key Responsibilities
- Deliver mechanical design solutions across all project stages, including feasibility, outline design, detailed design and construction support.
- Produce and review engineering calculations, technical reports, specifications and design documentation.
- Develop mechanical layouts and equipment schedules for water and wastewater treatment facilities.
- Specify and select mechanical plant including pumps, valves, blowers, screens, pipework and chemical dosing equipment.
- Coordinate with civil, electrical, process and structural engineering teams to produce integrated designs.
- Attend design reviews, technical meetings and client workshops.
- Ensure designs comply with relevant UK legislation, industry standards and health and safety requirements.
- Support project managers in delivering work to programme and budget.
- Provide technical guidance to junior engineers where required.
- Contribute to value engineering and continuous improvement initiatives.
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.
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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.
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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.
Only hits
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Requirements
- Degree in Mechanical Engineering or a related engineering discipline.
- Demonstrable experience delivering mechanical design within the UK water or wastewater industry.
- Strong understanding of pumping systems and mechanical process equipment.
- Experience producing engineering calculations and technical documentation.
- Familiarity with UK design standards, CDM Regulations and DSEAR requirements.
- Ability to work effectively within multidisciplinary project teams.
- Excellent communication and organisational skills.


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Desirable
- Chartered Engineer (CEng) or Incorporated Engineer (IEng), or working towards professional registration.
- Previous experience within an engineering consultancy environment.
- Knowledge of UK water company specifications and design standards.
- Experience supporting tenders, proposals or business development activities.
What's on Offer
- Long-term contract with a strong pipeline of projects.
- Hybrid working arrangements with flexibility.
- Opportunity to work on nationally significant water infrastructure programmes.
- Collaborative engineering environment with experienced technical professionals.
- Varied and technically interesting project work across the full engineering lifecycle.
If you have a strong background in mechanical engineering within the water sector and are looking for your next contract opportunity, we'd love to hear from you. Apply today for a confidential discussion.
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