Mechanical Design Engineer

Overview

A leading engineering solutions provider in the water sector is seeking a Senior Mechanical Design Engineer to take ownership of mechanical design activities across a portfolio of treatment, storage, and infrastructure projects. This role suits an experienced engineer who enjoys technical leadership, delivering high‑quality designs, and working collaboratively within a multidisciplinary environment.
Key Responsibilities

Mechanical system design - Lead the design of mechanical systems, assemblies, and equipment for water and wastewater applications, ensuring compliance with industry standards and client specifications.
3D modelling and drafting - Produce detailed 3D models, GA drawings, fabrication drawings, and BOMs using modern CAD platforms.
Technical leadership - Mentor junior engineers and designers, reviewing work for accuracy, safety, and compliance.
Project coordination - Collaborate with project managers, process engineers, and site teams to ensure designs integrate seamlessly into wider project scopes.
Stakeholder engagement - Participate in design reviews, clarify technical requirements, and provide expert input throughout the project lifecycle.
Standards and compliance - Ensure all designs meet relevant water industry regulations, internal quality procedures, and safety standards.
Site support - Conduct site surveys and provide installation or commissioning support when required.Essential Skills & Experience

Degree or HNC/HND in Mechanical Engineering or related discipline.
Strong background in mechanical design within the water sector, utilities, or similar process‑driven environments.
Proficiency in 3D CAD software and engineering drawing standards.
Knowledge of pumps, pipework systems, pressure vessels, steelwork, and mechanical handling equipment.
Ability to produce calculations, technical reports, and design documentation.
Strong communication skills and ability to work effectively across multidisciplinary teams.
Understanding of CDM regulations and designing for safety.Desirable

Experience with modular design, DfMA, or off‑site fabrication.
Familiarity with UK water company frameworks.
Experience with FEA or other engineering analysis tools.What's on Offer

Competitive salary and benefits package.
Opportunity to work on innovative water sector projects.
Professional development support, including chartership pathways.
A collaborative environment with strong engineering values.Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found at (url removed)