Commissioning Manager

Job Description
Fire Alarm & Fire Protection Commissioning Manager

Location:

Site-Based (Data Centre Projects)
Lead the Delivery of Mission-Critical Fire Protection Systems
About Us
Johnson Controls, a global leader in thermal management, mission-critical building systems, energy efficiency, and decarbonization, helps customers use energy more productively, reduce carbon emissions, and operate with the precision and resilience required in rapidly expanding industries such as data centers, healthcare, pharmaceuticals, advanced manufacturing, and higher education.
For more than 140 years, Johnson Controls has delivered performance where it really matters. Backed by advanced technology, lifecycle services and an industry-leading field organization, we elevate customer performance, turn goals into real-world results and help move society forward.
We are seeking an experienced  Fire Alarm & Fire Protection Commissioning Manager  to join our growing team delivering some of the most complex and technically demanding  data centre projects  in the industry.
This is a senior site-based role for an experienced commissioning professional who will take ownership of the fire systems commissioning process from planning through to final handover, ensuring systems are compliant, integrated, tested, and fully operational within mission-critical environments.

What We Offer
Competitive salary, company car, and performance bonus
25 days paid holiday plus all bank holidays
7% matched pension contributions
Private medical cover and free life assurance
Laptop and mobile provided
Overtime opportunities
Employee assistance program, referral scheme, and discounts (including high street brands, cycle-to-work, and Johnson Controls products)
Extensive product, on-the-job, and cross-training opportunities with world-class resources. Clear career development pathways across multiple discipline

The Role
As the  Fire Alarm & Fire Protection Commissioning Manager , you will lead all fire systems commissioning activities on site, ensuring safe, compliant, and timely delivery. Working closely with clients, consultants, contractors, and specialist subcontractors, you will oversee the commissioning of complex fire detection, alarm, and suppression systems within data centre environments.

Key Responsibilities
Lead commissioning activities for fire alarm, detection, suppression, and integrated life-safety systems, including:
VESDA and aspirating smoke detection
Gas suppression systems
Fire alarm systems and associated interfaces
Sprinkler and life-safety integrations

Develop and manage commissioning plans, procedures, test scripts, and method statements.
Coordinate commissioning activities with project stakeholders and client teams.
Manage interface testing across systems including BMS, HVAC, access control, power, and critical infrastructure.
Lead pre-commissioning activities, Integrated System Testing (IST), Site Acceptance Testing (SAT), and witness testing.
Ensure compliance with LPCB standards, FIA guidance, BS 5839, BS EN 12845, and other relevant regulations.
Manage specialist commissioning teams and subcontractors to achieve programme milestones.
Produce commissioning documentation, test records, reports, and handover packs.
Support Factory Acceptance Testing (FAT) where required.
Promote best practice, continuous improvement, and safe working standards.
About You
You are an experienced commissioning professional with a strong background in fire protection systems within data centres or other mission-critical environments. You combine excellent technical knowledge with the leadership skills required to deliver complex projects successfully.
Essential Requirements
Minimum  10 years' experience  in fire alarm and fire protection commissioning.
Proven experience commissioning systems within  data centre environments .
Strong understanding of integrated testing strategies and client-led commissioning processes.
Strong knowledge of LPCB standards and fire protection compliance requirements.
Extensive experience with complex fire detection and suppression systems.
Demonstrated leadership experience managing commissioning teams and subcontractors.
Excellent…