Johnson Controls
Site Supervisor
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Site Supervisor – Teesside (Static Site)
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.
Johnson Controls is seeking an experienced and proactive Site Supervisor with a strong fire alarm engineering background to oversee and support the delivery of fire alarm servicing, gas suppression systems, and mechanical suppression systems at a key static site in Teesside.
This role is ideal for someone who is not only confident leading others but is also technically hands-on, able to carry out maintenance tasks themselves, and committed to maintaining the highest standards of safety, compliance, and service delivery.
About the Role
As the Site Supervisor, you will lead a team of on-site engineers and subcontractors while also completing your own planned and reactive maintenance tasks. You will ensure the effective delivery of all fire detection, gas suppression, and mechanical suppression services across the site.
You will be responsible for planned preventative maintenance, routine servicing, fault-finding, and remedial works on a range of systems, including:
- Conventional and addressable fire detection systems
- Networked and graphical fire alarm systems
- Gas extinguishing systems (e.g., Argonite, CO₂, Inergen, Novec)
- Mechanical fire suppression equipment and fire extinguishers
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You will act as the primary on-site point of contact, ensuring smooth operations, strong client relationships, and full compliance with site-specific safety and quality standards.
What We Offer
- Competitive salary and commission scheme
- Company vehicle, fuel card, and full PPE
- Door-to-door payments
- Overtime and call-out rota payments
- 25 days holiday plus bank holidays
- 7% matched pension contributions, life assurance, and employee assistance programme
- Discounts on high street brands and Johnson Controls products
- Cycle-to-work scheme
- Employee referral scheme
- Extensive training and cross-skilling opportunities
- Access to business resource groups
- Supportive, collaborative team culture
- Clear long-term career development pathways
Key Responsibilities
Leadership & Site Management
- Lead, support, and coordinate on-site engineers and subcontractors
- Build strong working relationships with the client and ensure high levels of customer satisfaction
- Act as the main point of escalation for technical or operational issues
- Monitor subcontractor performance and ensure all work meets required standards
- Support the coaching, development, and onboarding of engineers and apprentices
Technical Delivery (Hands-On)
- Personally carry out maintenance, servicing, fault-finding, and repairs on fire alarm systems
- Support and oversee works on gas suppression and mechanical suppression systems
- Perform integrity testing (training provided if required)
- Assist with estimating, commissioning, and client training where required
- Identify and communicate remedial works, system deficiencies, and upgrade opportunities
- Ensure accurate completion of all on-site documentation, daily work diaries, and service reports
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Safety & Compliance
- Conduct safety and quality audits to ensure compliance with legislation and company standards
- Ensure all engineers follow site-specific safety and high-hazard environment requirements
- Promptly identify and report health and safety concerns, near misses, and site hazards
- Attend mandatory training and maintain up-to-date certifications
- Ensure full adherence to RAMS, PPE requirements, toolbox talks, van audits, and accident investigations
- Promote a zero-harm culture and drive continuous improvement in safety performance
What We’re Looking For
Essential
- Strong experience working with fire detection and fire alarm systems (primary skillset)
- Experience with gas suppression systems
- Understanding of mechanical fire suppression equipment
- Ability and willingness to carry out hands-on maintenance and servicing
- Previous supervisory or team leadership experience
- Excellent communication and customer service skills
- Ability to inspire, influence, and build strong working relationships
- Proactive approach to problem-solving and unexpected situations
- Full UK driving license
- Flexibility to travel for training when required
- Strong organisational skills and attention to detail
Desirable
- Experience in highly regulated or high-hazard environments
- Knowledge of passive fire protection
- Experience coaching or developing engineers
Make a Real Impact
At Johnson Controls, we don’t just maintain systems — we help create safer environments. If you’re ready to take the next step in your career and lead a high-performing team while remaining technically hands-on, we’d love to hear from you.
Apply now and join our team in Teesside.
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