Mechanical Installation Engineer

We are seeking an experienced Mechanical Installation Engineer to join our fire suppression delivery team, working on complex and safety‑critical projects across the U.K. and internationally. The role focuses on the installation and commissioning of mechanical fire protection systems, including water‑based, gas, foam, and hydrant systems, often within live or high‑risk environments. It is a hands‑on, site‑based position suitable for a mechanically strong engineer who values safety, quality, and technical excellence.

• Competitive salary
• Company car and bonus
• Hybrid working – site, office or WFH
• 25 days paid holiday plus bank holidays and sick pay
• Comprehensive benefits package including 7% matched pension, life assurance, employee assistance program, employee referral scheme, employee discounts (including high street brands), cycle to work scheme, and discount on Johnson Controls security products
• Extensive product and on‑the‑job/cross‑training opportunities with outstanding resources available
• Encouraging and collaborative team environment
• Career development through various career ladders, including Customer Service

• Install, test, commission and hand over mechanical fire suppression systems (deluge, hydrant, gas, foam); carry out system flushing, pressure, flow and functional testing in line with approved procedures; diagnose and resolve installation, performance or commissioning issues on‑site; support pre‑commissioning inspections, system demonstrations and final client acceptance testing; ensure installations align with approved drawings, specifications and applicable standards.
• Work within live and mission‑critical sites (data centres, power generation facilities, industrial plants, energy and high‑hazard environments); adhere to strict permit‑to‑work, lockout/tagout and site‑specific safety controls; plan and execute works to minimise risk and disruption to live systems and operations.
• Maintain full compliance with company and site health and safety policies; review and contribute to RAMS, commissioning plans, test records and completion documentation; ensure all works meet relevant legislation, standards and client‑specific requirements; promote a strong safety‑first culture on‑site.
• Liaise effectively with project managers, site supervisors, clients and subcontractors; provide accurate progress updates, technical feedback and commissioning support; assist with snagging, system optimisation and post‑handover technical support when required.
• Travel extensively across the U.K. using a company service van; be willing to work away from home, including overnight stays; be flexible to work out‑of‑hours, weekends or during planned shutdowns and commissioning windows; potential for international travel depending on project requirements.

• Proven experience installing and commissioning mechanical fire suppression systems, particularly deluge systems.
• Strong mechanical background, including pipework, valves, pumps and actuated/mechanical control systems.
• Experience working in critical or high‑risk environments.
• Ability to read and interpret mechanical drawings and specifications.
• Full U.K. driving licence.
• Strong commitment to health, safety and quality workmanship.
• Knowledge of fire protection standards and approvals (LPC, NFPA, FM, BS and EN).
• Experience with fire pumps, control valves and system interfaces.
• CSCS card or equivalent and other relevant construction or site‑based qualifications (e.g., confined space, IPAF, PASMA).

Due to the nature of this position, we are only able to consider applicants who currently have the unrestricted legal right to live and work in the U.K. We are unable to provide sponsorship or assist with visa applications for this role.