Site Supervisor

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

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

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

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. #LI-HN1 #LI-Onsite #RMDFL

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