Senior Fire Alarm Engineer – £60K OTE Location: Hertfordshire – must be happy working in and around London Salary: £40,000 – £45,000 pa paid travel, on-call and overtime OTE: £50,000 – £60,000 pa Industry: Fire and Security ABOUT You'll be joining a long-established UK provider of life safety and security systems with over 25 years of experience. The company designs, installs, maintains, and monitors fire and security systems, ensuring compliance and strong customer service. The business is focused on growth through investment in people, technical excellence, and ongoing development. Benefits – Senior Fire Alarm Engineer 9/10 day working fortnight (work-life balance) 25 days holiday Bank Holidays (rising to 35 days with service) Salary sacrifice pension scheme Life assurance (3x salary) Employee Assistance Programme (EAP) 24/7 GP and mental health support Training and development programmes Career progression pathways Quarterly reviews and development check-ins Recognition schemes and annual company event Responsibilities – Senior Fire Alarm Engineer As a Senior Fire Alarm Engineer, your role will include: Commissioning addressable and conventional fire alarm systems Advanced fault finding and root cause analysis Programming cause & effect and networked systems Producing commissioning reports and technical documentation Acting as on-site technical lead and escalation point Supporting and mentoring engineers Delivering on-the-job training and sharing best practice Ensuring compliance with British Standards and company procedures Carrying out audits and quality inspections Liaising with clients and providing technical support on site Requirements – Senior Fire Alarm Engineer Experience commissioning and fault-finding fire alarm systems Strong understanding of fire system programming and diagnostics Experience with systems such as Gent, Advanced, Ziton, Morley or Kentec Ability to support and lead engineers on site Strong attention to detail and compliance focus Good communication and customer-facing skills Proactive, accountable, “right first time” approach Technical reporting and documentation experience Why Join? This is a senior hands-on role where you'll act as the technical expert on site, leading complex fire system work and supporting engineering teams. You'll benefit from strong earning potential, structured development, and genuine work-life balance in a growing organisation. Apply Now! If you're an experienced Senior Fire Alarm Engineer based in or near Hertfordshire, this is your chance to join a respected business offering progression, stability, and strong earnings. Keywords: Senior Fire Engineer, Fire Alarm Engineer, Commissioning Engineer, Fire Systems Engineer, Fault Finding Engineer, Life Safety Systems, Fire Detection Systems