

Designs, installs, commissions and maintains fire protection, life safety and security systems.
The engineer will perform scheduled installations, commissioning, and minor works, maintaining system performance and adhering to company standards. They will work within a regional team supported by administrators and technical specialists.
Trinity Fire & Security Systems is seeking an experienced Works Engineer to deliver high‑quality installation and commissioning of fire alarm systems across its client portfolio, ensuring system integrity and regulatory compliance. The role is based in Aylesbury and offers a competitive salary with enhanced overtime.
The role requires experience installing and commissioning fire alarm systems to British Standards, strong diagnostic and problem‑solving skills, excellent communication and customer service, basic electrical safety training (ECA), and a solid understanding of building services.
Trinity provides regional work for better work‑life balance, uncapped commission, enhanced overtime, training on leading brands such as Gent, Notifier, Protec and Baldwin Boxall, and long‑term career progression.
Trinity offers a competitive base salary with commission and overtime, 23 days of holiday plus bank holidays, a company vehicle and fuel card, employee discounts across more than 800 retailers, pension via Royal London, life assurance, an employee assistance programme, a referral bonus of up to £2,000, and ongoing training and development opportunities.