Senior Mechanical Design Engineer - Water Industry

Senior Mechanical Design Engineer - Water Industry

We are currently recruiting a Senior Mechanical Design Engineer to join our dynamic Water Consultancy team operating across the UK.

You’ll work on exciting AMP8 and AMP9 projects, ensuring exceptional water services in a collaborative environment.

As part of RPS Water Consulting, we are a team of engineers, designers, modellers, and data analysts providing asset management and operational strategy development to our water industry clients. This evolving industry requires innovation, dedication, and teamwork to meet our clients’ needs.

• You have experience liaising with clients to understand their needs, interpret data, and develop a project plan.
• You coordinate multidisciplinary teams to ensure project goals are met.
• You produce technical outputs such as technical specifications, schedules, reports, sizing and designing pumping systems, aeration systems, and collaborate on design reviews.
• You provide engineering inputs and design outputs in collaboration with other disciplines, producing general arrangement drawings, 3D models, 2D plans and sections, and piping & instrumentation diagrams.
• You deliver technical presentations to clients and design engineers, participate in workshops and safety reviews including HAZOPs and ALMs.
• You understand water and wastewater treatment processes and assess existing site infrastructure to deliver mechanical design.
• You will be a meaningful contributor to millions of lives in the UK, working with the largest water companies and leaving a legacy for future generations.

• Balance your workload across a wide variety of projects within major long-term frameworks with water companies and contractors across the UK.
• Seek to achieve positive outcomes for projects and the community.
• Work closely with senior and principal engineers and other stakeholders supporting project delivery.
• Mentor less experienced team members, checking their work and providing technical governance and oversight.
• Interpret and understand technical drawings and supervise their production, ideal through AutoCAD and/or Inventor.
• Undertake asset condition surveys and prepare reports and recommendations.
• Contribute to the production of process and instrumentation diagrams (P&IDs).
• Prepare mechanical design deliverables including calculations, reports, specifications, datasheets, drawings, schedules, and procurement documentation.
• Support compliance with the Designer duties under CDM, including design risk assessments.
• Ensure quality assurance systems and procedures are followed, maintaining high standards.
• Act as a project manager, package manager or design team leader as required.

• A good technical understanding of mechanical engineering principles.
• Significant water industry experience.
• Proficient in pump selection and design of pumping systems.
• Use of P&IDs to create equipment, valve, and pipe schedules.
• Production of specifications, reports, and technical documentation.
• Compliance with Construction, Design & Management (CD) Regulations and designing for safety.
• Experience with various contract procurement methods, ideally including NEC forms of contract.
• Managing work to time, cost, and quality criteria.
• Supporting junior staff in technical and personal development.
• Ability to travel and visit operational and construction sites as required, ensuring a safe method of survey, inspection, and mechanical equipment and installations.
• Knowledge of design tools and software such as AutoCAD or similar design packages – an advantage but not essential.

• A degree-level qualification in mechanical engineering or a closely allied subject, ideally IMechE‑accredited. Postgraduate qualifications are an advantage.
• Chartered engineer or working towards and nearing chartership.

A personal development plan and a transparent career pathway put you in the driving seat of your career.

We encourage and value different ideas, perspectives, and styles of thinking. We need a mix of experiences and skills to develop the most innovative ideas. We respect one another and recognise the potential and…