Graduate Project Engineer - Mechanical

We’re excited to expand our Engineering division with Graduate Project Mechanical Engineers to join our Professional Development Programme for our 2026 intake, based in Preston on the United Utilities Framework working amongst our Engineering specialists.

It’s your career, let’s shape it together! We pride ourselves on putting people first with an inclusive and rewarding culture where success is recognised. Dedicated to attracting, retaining and enabling the development of our graduates to maximise potential. The graduate programme is tailored to your needs with a flexible and varied learning environment, you’ll feel empowered to make decisions and harness your knowledge and practical skills. The sky’s the limit!

Grow with us! As a growing company within the RSK group, MWH Treatment is preparing to play its part as one of the UK’s leading Design and Build Contractors in the Water Industry. In response to the growing demand to improve further the UK water quality in our rivers and bathing waters amongst other challenges, the investment in the water industry is far exceeding any other time. MWH Treatment, as part of the RSK group, specialises in creating and providing practical, sustainable outcomes. Our engineers pioneer and perfect solutions. The variety of work we offer provides a platform for you to develop and master your subject to build a fruitful and purposeful career.

Working within the Delivery team you will be an integral part of the delivery of many projects by providing assistance in the following;

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• Assisting the project team to help drive projects forward
  
• Setting out and managing site operations, to ensure safety, quality, cost effectiveness, timely production and customer satisfaction.
  
• Writing method statements and risk assessments, and procuring sub‑contractor, labour, plant and material resources.
  
• Ensuring actions are carried out at the right time, by the right people and to a controlled budget
  
• Develop key relationships with clients, design teams, consultants, contractors and other project stakeholders.
  

Our Graduate Programme is shaped to enable you to successfully achieve professional status with the relevant professional institutions, whilst giving you exposure to everything you need to start your career on a successful path.

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• A committed and structured three‑year Graduate Programme.
  
• Mentorship dedicated to you to support your career
  
• A structured training plan.
  
• UK‑wide programme with opportunities to network with your peers
  
• An opportunity to rotate in both design and build (hands‑on site experience)
  
• Practical, on‑the‑job training within your team of industry experts.
  

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• A competitive starting salary with monthly salary increases, rewarding your commitment to your development and training.
  
• 25 days holiday + Bank Holidays (with an additional 5 days available to buy).
  
• Some flexibility with hybrid working.
  
• Competitive and flexible contribution pension scheme.
  
• Private medical insurance.
  
• Gym memberships.
  
• Technology salary sacrifice scheme.
  
• Cycle to Work scheme.
  
• Employee Assistance Scheme – free mental health support, financial advice.
  
• Many more benefits including Sports and Social club membership.
  

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• Have achieved or on track to achieve your degree in Mechanical Engineering.
  
• Eligible to work in the UK.
  
• Unfortunately, this role does not meet the minimum salary requirements for sponsorship on this role.
  
• Have the ability to travel to the office and sites (some of our sites are difficult to access through public transport).
  
• A driving licence would be preferred.
  
• Flexibility – Successful candidates will need to be flexible and willing to spend time in other offices and sites.
  
• Great communication skills (Written and Verbal).
  
• Self‑motivated – attitude is key, it's your career!
  
• A team player.
  

Apply – Our dedicated early careers recruiter will review your application and be in touch.

Timeframe – Within 4 weeks you will hear if you’ve been successful to the next stage.

Process – You will be invited to complete a video interview, followed by an in‑person or Teams interview with two of our hiring managers. You will be given the opportunity to come and meet the team in office or on site. It’s important to us that you are given every opportunity to know you’re making the right choice for you and your career.