Logo of Huzzle

Principal Mechanical Design Engineer (Water)



8d ago

  • Job
    Expert / Leadership (9+ years)
  • Engineering
  • Newcastle

AI generated summary

  • You must have experience in mechanical design for water projects, strong technical skills, knowledge of water treatment processes, ability to collaborate with other disciplines, and a commitment to delivering high-quality solutions for sustainable water management.
  • You will lead mechanical design projects, liaise with stakeholders, review technical designs, mentor team members, support project delivery, and ensure compliance with quality systems.


  • You will be experienced in producing technical outputs such as technical specifications, sizing and designing pumping systems and aeration systems, schedules, and reports and familiar with collaborative planning reviews and designs of solutions.
  • You will be able to provide engineering input design outputs in collaboration with other disciplines, such as General Arrangement Drawings, 3D models, and Piping & Instrumentation Diagrams.
  • To be successful in this role, you will have strong communication skills and be able to deliver technical presentations to clients and other design engineers as well as inputting into collaborative design discussions including technical workshops, and safety reviews including HAZOPs and ALMs.
  • You will understand how water and wastewater treatment processes operate and be experienced in assessing existing site infrastructure to develop and deliver the mechanical design.
  • By joining us, you're not just taking on exciting projects and collaborating with leading minds. You're making a meaningful impact on millions of lives the UK, leaving a legacy for generations to come. As a valuable member of our team, you'll play a crucial role in the water industry, and work with the largest water companies in the region, ensuring a positive and enduring influence on the communities we serve. If you're ready to contribute your skills and expertise to a dynamic and innovative environment, we invite you to join us on this exciting journey.
  • Skills, Knowledge, and Experience:
  • A good technical understanding of mechanical engineering principles.
  • Water Industry experience will be a significant advantage.
  • At least an awareness and preferably some proficiency in:
  • The design of pumping systems and pump selection.
  • The use of P&IDs to create equipment, valve, and pipe schedules.
  • The production of specifications.
  • Construction Design & Management (CDM) Regulations and designing for safety
  • Various methods of contract procurement, ideally including the ECC (NEC) forms of contract.
  • Managing your work to time, cost, and quality criteria.
  • Supporting junior staff in their technical development.
  • The ability to travel and visit operational and construction sites as required, to act in a safe manner, and to asset survey, inspect, and witness test mechanical equipment and installations.
  • knowledge of design tools and software such as AutoCAD or similar design packages would be an advantage but is not essential.
  • Qualifications:
  • An IMechE accredited degree. Postgraduate qualifications are an advantage.
  • Chartered or working towards chartership for Senior or Principal grades.
  • Affiliation with a professional institution like IET, InstMC, or CIWEM, or in the process of working towards membership and nearing application.


  • You will be involved in the whole project life cycle from feasibility and optioneering through to detailed design and construction support including site surveys and investigations.
  • You will work on a wide variety of projects across a variety of major long-term frameworks with water companies across the UK.
  • You will have responsibility for working and liaising with project managers, technical leaders, design engineers, clients, supply chain partners, contractors, planners, and other stakeholders to achieve positive outcomes for the projects and community.
  • You will work closely with Senior and Principal Engineers and other stakeholders supporting project delivery.
  • You will help develop the team by acting as a mentor or guide to graduates within the team.
  • You will help develop the team by acting as a mentor or guide to junior members within the team.
  • Reviewing and checking technical designs, specifications, and reports.
  • Liaising with clients to gain a detailed understanding of project requirements and scope
  • Ability to understand technical drawings with AutoCAD and/or Inventor experience.
  • Undertaking asset condition surveys and preparing reports and recommendations.
  • Contributing to the production of Process and Instrumentation Diagrams (P&IDs).
  • Preparation of mechanical design deliverables including calculations, reports, specifications, datasheets, drawings, schedules, and procurement documentation.
  • Providing support to allow the project team to comply with the duties of the Designer under CDM including the production of design risk assessments.
  • Ensuring Quality Assurance systems and procedures are followed.


What qualifications are required for the position of Principal Mechanical Design Engineer (Water)?

The qualifications required for this position typically include a degree in Mechanical Engineering or a related field, along with several years of experience in water engineering projects.

What specific responsibilities does a Principal Mechanical Design Engineer (Water) have?

A Principal Mechanical Design Engineer (Water) is responsible for overseeing and leading the design of mechanical systems for water projects, ensuring they meet client specifications and industry standards.

What are some of the key skills needed for a Principal Mechanical Design Engineer (Water)?

Some key skills for this role include strong technical expertise in mechanical design, familiarity with water engineering regulations, excellent project management skills, and the ability to lead a team of engineers effectively.

Are there opportunities for career advancement in this role?

Yes, there are often opportunities for career advancement in this role, with the potential to move into more senior positions within the company or take on larger, more complex projects.

What type of projects would a Principal Mechanical Design Engineer (Water) typically work on?

A Principal Mechanical Design Engineer (Water) would typically work on a variety of water engineering projects, such as designing water treatment plants, pumping stations, pipelines, and storage facilities.

We define, design and manage projects that create shared value to a complex, urbanising and resource-scarce world.

Founded Year

Mission & Purpose

Founded in 1970, RPS is a leading global professional services firm of 5,000 consultants and service providers. Operating in 125 countries, working across six continents we define, design and manage projects that create shared value to a complex, urbanising and resource-scarce world. We work across six sectors: property, energy, transport, water, resources, defence and government services. Our services span twelve clusters: project and program management; design and development; water services; environment; advisory and management consulting; exploration and development; planning and approvals; health, safety and risk; oceans and coastal; laboratories; training and communication and creative services. We stand out for our clients by using deep expertise to solve problems that matter, making them easy to understand and by being easy to work with.