Project jobs in United Kingdom

We are currently in the market to recruit a Senior Mechanical Design Engineer to join our dynamic and growing Water Consultancy team operating across the UK. You’ll work on exciting AMP8 and AMP9 projects, ensuring exceptional water services in a collaborative environment.

RPS Water Consulting, a Tetra Tech company, is a team of engineers, designers, modellers, and data analysts providing asset management and operational strategy development for water industry clients. We support business planning and delivery in an evolving industry that demands innovation, dedication, and teamwork.

• You will be experienced in liaising with the client to understand their needs, interpret their data, and develop a project plan, while coordinating multidisciplinary teams to ensure the project meets its goals.
• You will be experienced in producing technical outputs such as specifications, schedules, reports, sizing and designing pumping systems and aeration systems, and be familiar with collaborative planning reviews and design of solutions.
• You will be able to 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.
• 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 participate in collaborative design discussions including technical workshops, safety reviews, 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’ll make a meaningful impact on millions of lives across the UK, working with the largest water companies to leave a lasting legacy.

• Balance your workload across a wide variety of projects from 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 other senior and principal engineers and stakeholders to support project delivery.
• Mentor and guide less experienced members, checking their work and providing technical governance and oversight.
• Interpret and understand technical drawings and supervise their production, ideally through AutoCAD and/or Inventor experience.
• 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 the project team to comply with the duties of Designer under CDM, including the production of 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 the design of pumping systems.
• Using P&IDs to create equipment, valve, and pipe schedules.
• Producing specifications, reports and technical documentation.
• Complying with the Construction, Design & Management (CDM) Regulations and designing for safety.
• Experience with various contract procurement methods, ideally including NEC forms of contract.
• Managing work against time, cost, and quality criteria.
• Supporting junior staff in their technical and personal development.
• Ability to travel and visit operational and construction sites as required.
• Knowledge of design tools such as AutoCAD or similar packages (advantageous).

• 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, and foster a diverse community that prioritises wellbeing.

We’re a connected community, working collectively to achieve exceptional outcomes with a flexible, hybrid working environment that supports work‑life balance.

Since becoming a Tetra Tech company in January 2023, RPS has access to global resources. We offer market‑leading development and project opportunities across more than 550 offices worldwide.

Warrington, England, United Kingdom

• Seniority level: Mid‑Senior level
• Employment type: Full‑time
• Job function: Engineering and Information Technology
• Industry: Business Consulting and Services