Onsite Engineer - Security Systems

Onsite Engineer - London (Within M25)
40k to -45k - Monday to Friday - 40 hours a week - weekends OT available -
Location: Central London (site-based)
Salary: -45,000 (negotiable depending on experience)
Hours: Monday to Friday
Contract: Full-time, Permanent
About the Role
We''re seeking a proactive and technically capable Onsite Engineer to support a long-term, high-security project based in Central London. This is a two-year programme with a gradual transition from team-based support to independent working, offering a unique opportunity to be part of a critical infrastructure environment.
The role involves supporting and maintaining large-scale integrated security systems, including CCTV, access control, and perimeter detection. While the day-to-day pace is steady, the environment is highly secure and requires a detail-oriented, dependable engineer who can work autonomously and communicate effectively with stakeholders.
Key Details

• Based on-site in Central London (Westminster Embankment area)
• Monday to Friday schedule
• 5-10 weekend shifts available annually (first refusal given to this role)
• One Field Engineer visits the site weekly for additional support
• 2-week turnaround for onboarding and clearance process
• Must be eligible for DV clearance (British citizen or born in the UK with a British passport)

Key Responsibilities

• Respond to daily fault requests and complete planned preventative maintenance (PPM)
• Support out-of-hours reactive duties as required
• Maintain and repair high-end integrated systems including CCTV, access control, and perimeter detection
• Ensure the site remains secure and operational at all times
• Work collaboratively with remote engineering teams and escalate complex issues when needed
• Maintain accurate service records and communicate effectively with the helpdesk

Skills & Experience
Essential:

• Strong knowledge of CCTV, DVR/NVR, and access control systems
• Experience with IP systems, RAID recording, and video matrix systems
• Confident in on-site diagnostics and repairs
• Excellent communication and customer service skills

Desirable:

• Experience with:
• PID systems
• Galaxy alarms
• Cortech GUI
• CEM, C-Cure, or Gallagher Access Control
• Synergy, Milestone
• First-line gate/barrier repairs

Benefits

• Remote & hybrid working supported (where applicable)
• Flexible working around core hours
• Health & wellbeing programme
• Life assurance (4x annual salary)
• 5% matched pension scheme
• Holiday carry-over (up to 5 days)
• Reward & recognition programme
• Long service rewards
• Learning & development support including mentoring and coaching

About the Company
Our client is a specialist provider of integrated surveillance and control systems, delivering end-to-end solutions for some of the UK''s most demanding and secure environments. With deep technical expertise and a proven track record in complex, regulated sectors, they serve clients across public space, heritage, transport, critical national infrastructure, finance, high-security, and custodial markets.
Their culture is fast-paced, collaborative, and focused on delivering innovative, dependable solutions. They value their people highly and are committed to providing a stimulating environment that supports both personal and professional growth.
Interested? please call Aleks on (phone number removed) or apply now