Job Title: Senior Security EngineerLocation: Brentford HQ - Travel to Central London, South Coast and Bristol (South/West of the UK)Salary: £40,000 to £50,000 D.O.EReports to: Technical ManagerJob Type: Full-TimeOverview:My client is seeking an experienced and motivated Senior Security Engineer to join a growing, forward-thinking security technology company delivering high-quality installations across complex environments nationwide. This role is ideal for someone with a strong background in the installation and commissioning of integrated security systems, mainly IP CCTV, access control, and intruder alarm solutions.You''ll be working across a range of critical infrastructure and high-security environments such as airports, police stations, and government facilities. This is a field-based leadership role requiring a deep understanding of industry best practices and regulations, as well as a proactive approach to problem-solving and project execution.Key Responsibilities: Lead and supervise the installation and commissioning of electronic security systems including CCTV, access control, and intruder alarms. Perform on-site testing and troubleshooting to ensure system functionality aligns with client requirements and regulatory standards. Maintain clear, accurate documentation of all completed works and share updates with internal project teams. Provide on-site technical support and respond to service or commissioning issues with urgency and professionalism. Collaborate with