Works Engineer (Installation / Commissioning) – Security Systems
Coverage: London + South East
On-target earnings: £60,000 (Inclusive of overtime, travel pay, and bonuses)
£4,000 sign-on bonus
Trinity Fire & Security are looking for an experienced Small Works Engineer to join our London based team, delivering high-quality installation and commissioning across a diverse client portfolio.
You’ll be responsible for installing, commissioning, and supporting a range of security systems, ensuring full compliance and optimal performance. Working regionally, you’ll benefit from structured support from dedicated coordinators and technical specialists—so you can focus on what you do best.
Why Trinity?
* Regional work - less time travelling, better work-life balance.
* Uncapped earning potential - enhanced overtime and commission pay.
* Ongoing manufacturer training with leading brands.
* Clear career progression - we invest in long-term development.
Systems you'll work with:
* CCTV: HikVision, Dahua, Avigilon
* Intruder: Galaxy, Texecom
* Access Control: Paxton, Honeywell, Gallagher
Key responsibilities:
* Carrying out planned installation and commissioning across security systems.
* Providing clear technical feedback and updates to customers.
* Maintaining accurate service records and documentation.
What you'll bring to the role:
* Proven experience with fire alarm and/or electronic security systems.
* Strong diagnostic skills.
* Good working knowledge of relevant British Standards.
* Confident communication and customer-facing ability.
* Electrical safety awareness (ECA or equivalent) and solid technical understanding.
What Trinity Offers
* Competitive base salary with uncapped commission and paid overtime.
* 23 days’ holiday, increasing with service, plus bank holidays.
* Company vehicle and fuel card.
* Employee Discount Programme – savings across 800+ retailers.
* Pension via Royal London, Life Assurance, and Employee Assistance Programme.
* Referral bonus of up to £2,000.
* Ongoing training and career development opportunities.
Equal Opportunities in Practice
We are committed to equality of opportunity for all staff and applications from individuals are encouraged regardless of age, disability, sex, gender reassignment, sexual orientation, pregnancy and maternity, race, religion or belief and marriage and civil partnerships.
Security Vetting
It is an industry requirement that successful candidates undergo security vetting. Offers of employment are subject to satisfactory vetting and may be withdrawn if the required standards are not met.
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