Fire Detection Design Engineer

What You Will Do

As a Fire Detection Design Engineer within our Fire & Security business, you will be responsible for the design and development of compliant fire detection and life safety solutions across a range of customer projects. Working closely with sales, operations and project delivery teams, you will produce high-quality designs, technical documentation and system layouts that meet customer requirements and industry standards.

This is a hybrid role with occasional travel for site surveys, design reviews and customer meetings.

• Competitive salary
• 25 days holiday plus bank holidays
• Pension
• Life insurance
• Employee Assistance Program
• Employee referral scheme
• Employee discounts
• Cycle to Work scheme
• Discounts on Johnson Controls products
• Training and career development opportunities
• Supportive, collaborative and safety-driven culture

• Design fire detection and life safety systems in accordance with BS5839-1 and relevant industry standards
• Produce system layouts, schematics, calculations and technical documentation
• Review customer specifications, drawings and tender requirements
• Support the preparation of technical submissions and project quotations
• Conduct site surveys and gather design information where required
• Liaise with customers, consultants, project managers and installation teams throughout the design process
• Ensure designs are technically compliant, commercially viable and aligned with project requirements
• Use AutoCAD and related design software to create accurate design packages
• Participate in design reviews and provide technical support during project delivery
• Maintain accurate project records and documentation

• Experience designing fire detection systems within the fire and security industry
• Good knowledge of BS5839-1 and relevant fire detection regulations and standards
• Ability to interpret technical specifications, drawings and customer requirements
• Experience producing design documentation and technical calculations
• Strong communication and stakeholder management skills
• Proficiency in Microsoft Office applications, including Excel and Word
• Ability to manage multiple projects and deadlines effectively
• Continuous UK residency for the past 5 years (vetting requirement)

• FIA Fire Detection Design qualification or equivalent
• Experience using AutoCAD
• Knowledge of integrated security systems, including CCTV and Access Control
• Site survey and customer-facing experience
• Experience working on large or multi-site commercial projects
• Exposure to Revit, Navisworks or other 3D design software

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 centres, 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 organisation, we elevate customer performance, turn goals into real-world results and help move society forward.

If you are passionate about fire detection design and want to contribute to innovative life safety solutions, we'd love to hear from you.