PROFESSIONAL SECURITY DOOR SUPERVISION LTD
Design Engineer (Mechanical) – Fire Suppression
Design Engineer (Mechanical) – Fire Suppression at PROFESSIONAL SECURITY DOOR SUPERVISION LTD, based in London, paying £45,000 - £55,000 per annum. This is a permanent role with hybrid working.
- Pay
- £45,000 - £55,000 per annum
- Hours and contract
- Permanent · Hybrid
- Location
- London
- Closing date
- Sector
- Mechanical Engineer
About 7% above the going rate for mechanical engineer
Reference https://professionalsecurity.co.uk/job/design-engineer-mechanical-fire-suppressi
About the role
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
Reference: https://professionalsecurity.co.uk/job/design-engineer-mechanical-fire-suppressi · Posted 2 days ago · Closes 10 Dec 2026 · Listed via PROFESSIONAL SECURITY DOOR SUPERVISION LTD
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