Mechanical Design Engineer – Water-Based Fire Suppression Location: St Helens Salary: £(phone number removed) with package A leading fire protection specialist is seeking a Mechanical Design Engineer to join their growing team. This is a fantastic opportunity to work on high-impact projects across critical infrastructure sectors, delivering water-based fire suppression solutions that protect lives and assets. About the Role You’ll be responsible for: Designing water-based fire suppression systems, including sprinkler and high/low pressure mist systems Producing technical drawings and calculations using AutoCAD and Revit Preparing BIM models and completion documentation (certifications, drawings) Providing technical advice to clients and internal teams Working with systems such as Sem-Safe, VID Firekill, and conventional sprinklersWhat We’re Looking For Proven experience designing water-based fire protection systems (e.g. sprinkler, mist, hydrant) Familiarity with BS EN 12845, BS8489, FM5560, and relevant British/European standards Knowledge of LPCB and NFPA codes of practice AutoCAD and Revit proficiency CSCS/ECS card holder (preferred) Solid engineering background with practical understanding of installation methods IT competent (Microsoft Word, Excel) Positive, proactive communicator with a problem-solving mindset Willingness to travel across the UK and Europe when required Full clean UK driving licenceWhat’s on Offer Private Healthcare Scheme Pension Scheme 22 days annual leave UK bank holidays Additional day off for your birthday Vehicle allowance or company vehicle Hybrid working options Income Protection Scheme Death in Service Insurance Ongoing training and professional developmentIf you’re ready to engineer safety into every structure and bring your fire suppression expertise to a forward-thinking team, we’d love to hear from you. Apply now to make your mark in fire protection design