Job Description Site Supervisor – Teesside (Static Site) Join a global leader in fire and safety solutions Are you an experienced supervisor with strong mechanical skills and a passion for delivering exceptional service? Johnson Controls is looking for a Site Supervisor to join our dedicated team at a key static site in Teesside. This is a fantastic opportunity to work with advanced fire suppression technologies in a highly regulated environment where safety, reliability, and professionalism are paramount. About the Role As a Site Supervisor, you’ll lead a team of on-site engineers and subcontractors, ensuring the effective delivery of mechanical fire suppression services across the site. You’ll oversee preventative maintenance, routine servicing, and remedial works on a range of fire detection and gas suppression 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’ll be the driving force behind maintaining high safety standards, excellent customer service, and smooth operational performance. What We Offer We believe in rewarding your expertise and commitment: Competitive salary Company vehicle, fuel card, and full PPE Door to door payments 25 days paid holiday plus bank holidays, plus paid sick leave 7% matched pension contributions, free life assurance, and employee assistance programme Discounts on high‑street brands and Johnson Controls security products Cycle‑to‑work scheme Extensive training and cross‑skilling opportunities with world‑class resources Supportive, collaborative team culture with access to business resource groups Long‑term career development and progression opportunities Key Responsibilities Lead and support engineers and subcontractors on site Deliver maintenance, servicing, and repair activities across fire detection and gas suppression systems Assist with estimating, integrity testing, commissioning, and client training Monitor subcontractor performance and manage site documentation Conduct safety and quality audits, ensuring compliance with legislation and company standards Report near misses and H&S issues promptly Maintain daily work diaries and provide weekly updates Promote Johnson Controls’ culture of inclusivity, diversity, and empowerment Build strong client relationships and ensure high levels of customer satisfaction What We’re Looking For Essential Experience with gas suppression systems Mechanical fire suppression experience Full UK driving licence Excellent communication and customer service skills Strong people management abilities with experience supervising teams Proactive approach to unexpected situations and problem-solving Ability to inspire, influence, and build strong working relationships Previous supervisory experience Make a Real Impact At Johnson Controls, we don’t just maintain systems — we create safer environments. If you’re ready to take the next step in your career and make a meaningful difference every day, we’d love to hear from you. Apply now and join our team in Teesside. LI-NT1 LI-Onsite RMDFL