Design Engineer (Mechanical) – Fire Suppression
Location: Essex (Witham) / Central London – hybrid
Type: Full-time, permanent
Salary: £45,000–£55,000 + benefits

The Company: An established UK fire engineering group designing, installing and maintaining fire suppression, detection and life-safety systems. They have a dedicated data centre division and invest in training and progression for their design team.

The Role: You'll lead mechanical fire suppression design on data centre projects, from secure cells through to hyperscale facilities. You'll own your designs from layout and hydraulic calculations through to as-installed information, working closely with project teams and BIM coordination.

Key Responsibilities

• Produce design layouts, schematics and block plans for sprinkler, gaseous and water mist systems
• Carry out hydraulic calculations and interpret results using FHC
• Check designs against BS EN 12845, VdS 4001, BS 8489, BS 9990, BS 5306, BS EN 15004, NFPA and FM standards
• Build and drive federated Revit/Navisworks models, run clash detection and attend design coordination meetings
• Prepare detailed equipment schedules for delivery and commissioning teams
• Coordinate interfaces with fire alarm cause and effect matrices
• Deliver designs on time and to budget, and provide O&M and as-installed information

Requirements

• Proven experience in fire suppression or sprinkler design
• Strong AutoCAD and Revit skills, with working Navisworks knowledge
• Hydraulic calculation experience (FHC or similar)
• Working knowledge of BS EN 12845 and LPC, with NFPA/FM exposure an advantage
• Data centre or mission-critical experience is a strong plus
• Able to work hybrid between the Essex and London offices