Engineer Supervisor - Fire & Security Hertfordshire/Berkshire - Field-based with office days Salary: £45-55k + company vehicle + benefits Full-time, Permanent About the Role We're working with a leading independent Fire & Security business that delivers cutting edge solutions for prestigious clients, from universities and local authorities to high security facilities. They're seeking an Engineer Supervisor to spearhead quality, compliance, and technical excellence within their service & maintenance division. This is a hands on leadership role, balancing field-based work with mentoring, compliance oversight, and supporting the wider engineering team. Key Responsibilities Lead and supervise a team of Fire & Security engineers, ensuring high standards across all service and maintenance work Carry out complex maintenance and service visits where required Champion compliance with NSI standards, delivering toolbox talks and developing processes that improve quality Provide technical support, act as point of escalation, and assist with root cause analysis for recurring issues Monitor engineer performance, provide feedback, and support training and development needs Liaise with clients, ensuring clear communication, service updates, and customer satisfaction Assist with large project handovers, ensuring compliant documentation and asset details are captured Maintain health & safety standards and promote a safety-first ...