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 UK and internationally. This 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.

This is a hands-on, site-based role suited to a mechanically strong engineer who values safety, quality, and technical excellence.

What We Can Offer

• Competitive salary, company car and bonus
• Hybrid working – site / office / 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
  , including:
  Deluge systems, Hydrant systems, Gas suppression systems, Foam suppression systems
• Carry out system flushing, pressure testing, flow testing, 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
  , such as:
  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 minimize risk and disruption to live systems and operations.

• Maintain full compliance with company and site Health & 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 UK using a company service van
  .
• Willingness to work away from home, including overnight stays.
• Flexibility 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, Actuated/mechanical control systems
• Experience working in critical or high‑risk environments
  .
• Ability to read and interpret mechanical drawings and specifications.
• Full UK driving license.
• Strong commitment to health, safety, and quality workmanship

Desirable

• Knowledge of fire protection standards and approvals, such as: LPC, NFPA, FM, BS and EN standards
• Experience with fire pumps, control valves, and system interfaces.
• CSCS card or equivalent.
• Additional safety certifications such as:
  Confined Space, IPAF, PASMA
• Other relevant construction or site‑based qualifications.

Who We Are

At Johnson Controls, we’re shaping a safer, smarter, more sustainable world. Our global team delivers innovative, integrated solutions that make buildings more intelligent, cities more connected, and environments more efficient. We’re driven by bold ideas, collaboration, and a commitment to improving how people live, work, and thrive.

Ready to take the next step?

Join a team dedicated to protecting what matters most and help deliver the future of fire suppression.
Your tomorrow starts here.

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