Commissioning Engineer, London

As a Commissioning Engineer at Gratte Brothers | Security Systems & Software , you’ll play a key role in delivering high-quality installation and commissioning of integrated security systems including alarms, access control, CCTV, intercoms, public address, and associated software and hardware.

You’ll be responsible for ensuring system performance through project quality audits, resolving non-conformances, and contributing to technical standards and documentation. Strong technical knowledge and hands-on experience with security technologies are essential.

This role demands excellent communication and documentation skills to support project delivery, reporting, and coordination with internal teams and clients. You will manage the full commissioning process – programming, testing, compliance, materials, and labour – while also leading end-user training and liaising with manufacturers to ensure a smooth handover.

• Competitive salary and benefits package.
• Opportunity for career growth and development.
• Collaborative and supportive work environment.
• Training and cross-training opportunities.
• Contribution to a dynamic and growing company.

Gratte Brothers Group consist of five business divisions; Gratte Brothers Limited, Gratte Brothers Catering Equipment Limited, Gratte Brothers Specialist Services, Gratte Brothers Technical Services and Gratte Brothers Security Management. Our Head Office is based in King’s Cross, London, with several further UK locations dedicated to specific functionalities. As a Group, we deliver a comprehensive range of building services with an impeccable reputation for quality. As we’ve grown over the past 75 years, we’re proud to have remained a family-owned business. So, when you join Gratte Brothers you don’t just join a team, you join a family!

If you think you could be our new Commissioning Engineer, please see the full job description below:

For any further queries, please email (no agencies, please!).

Gratte Brothers is an equal opportunities employer and welcomes applications from all qualified candidates.