Service Engineer – Site Based (London)

Reliance High-Tech; Bracknell; On-site; GBP 28,000 - 40,000; Full time

Benefits offered by this job

Employee healthcare

25 days holiday + BH + 1 charity day

Training & Accreditation opportunities

Job summary

Reliance High-Tech is seeking a Service Engineer – Site Based (London) to provide technical fault-finding and repairs across CCTV, access control, and intruder systems. You will work on varied security installations, from small sites to multi-site deployments, ensuring quick remedies, high uptime, and strong customer focus.

This role requires staying current with hardware and software platforms, collaborating with the wider engineering team, and providing emergency coverage as needed.

Qualifications

• NVQ 3 in Electronic Security or equivalent proven experience.
• Knowledge of Access control / CCTV / Intercom / Intruder systems.
• Willingness to undergo security screening and training.

Responsibilities

• Provide technical fault finding and repairs across PC/Network based and analogue security systems.
• Work with CCTV operating systems ranging from small to large multi-site installations.
• Handle out-of-hours emergency solutions as per rota.
• Collaborate with other teams to meet customer expectations.
• Maintain up-to-date technical knowledge through training.

Skills

Team Player

Time Management

Independent

Willingness to Learn

Education

NVQ 3 in Electronic Security

Tools

Milestone

Genetec

Access Control Systems

Job description

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Service Engineer – Site Based (London)

Work with advanced security and networked technology solving real-world engineering challenges every day.

Closing Date: December 31, 2026

Who We Are

Reliance is one of the UK’s leading independent security and safety technology specialists. For 40 years we’ve been trusted by major organisations to protect their people, assets and reputations through the right mix of proven systems, specialist expertise and consistently high service standards.

Fully independent and vendor-agnostic, we combine the capability and footprint of a large national business with the agility, accountability and customer focus you only get from an independent team. We work in demanding, high-stakes environments where governance matters, uptime matters, and getting it right first time matters.

We offer a full suite of services across the lifecycle – from consultancy and design, through installation and project delivery, to service, maintenance, remote support and 24/7 monitoring via our ARC. Reliance High-Tech delivers integrated physical security and critical infrastructure solutions, while Reliance Protect provides lone worker, body worn, and personal safety services – giving clients a joined-up approach to safety, security and risk management.

For more information about our business, visit www.reliancehightech.co.uk / www.relianceprotect.co.uk.

Our Vision & Values

Serious about Technology, Passionate about People

Reliance’s vision is to be the trusted partner organisations rely on to protect their people, assets and reputations – by combining serious security and safety technology with service that’s genuinely built around people.

We believe technology only delivers value when it is designed well, implemented properly and supported consistently. That is why we are serious about technology – selecting and integrating the right solutions, keeping them resilient and cyber-secure, and making them easy to operate day to day.

We are equally passionate about people – the clients and communities we protect, and the colleagues who deliver the work. We aim to build long-term relationships based on trust, openness and doing what we say we will do, every time.

Your Role

• Provide technical expertise in fault finding and repairs across varied selection of PC/Network based and analogue security systems with a working knowledge of different high end software packages.
• Provide technical expertise in fault finding and repair with a variety of CCTV operating systems from small scale CCTV systems to large Multi-site installations with PC Based Digital Recorders. To understand fibre optic transmission systems, LAN/WAN networks and radio telemetry systems to effectively remedy any faults. Liaise with higher grade engineers where required.
• Provide emergency solutions when operating out of hours as specified on the departmental rota.
• Collaborate with all parts of the business to ensure that the agreed scope of works is delivered in line with the customer’s expectations.
• Participate in team meetings and actively contribute towards the business’ activities.
• Strive to maximize personal development and performance and take active part in performance reviews and personal development plans. Maintain up to date technical knowledge through internal and external training provision.
• Operate according to the requirements of business-specific applications and processes and the broad application environments (e.g., order submission, stock control, timesheet submission, job closing, etc.).

Your Team

Hardworking friendly field based engineers who are always willing to help and have a great work ethic.

Line Manager

Regional Service Manager

Responsibilities

• Provide technical expertise in fault finding and repairs of varied selection of PC/Network based and analogue security systems with a working knowledge of different high end software packages.
• Provide technical expertise in fault finding and repair with a variety of CCTV operating systems from small scale CCTV systems to large Multi-site installations with PC Based Digital Recorders.
• Provide technical expertise in fault finding and repair with a variety of Access Control, Intruder, Intercom Systems operating systems from small scale to large Multi-site installations with PC Based front ends.
• Have understanding of fibre optic transmission systems, LAN/WAN networks and radio telemetry systems to effectively remedy any faults. Liaise with higher grade engineers where required.
• Provide emergency solutions when operating out of hours as specified on the departmental rota.
• Collaborate with all parts of the business to ensure that the agreed scope of works is delivered in line with the customer’s expectations.
• Participate in team meetings and actively contribute towards the business’ activities.
• Strive to maximize personal development and performance and take active part in performance reviews and personal development plans.
• Maintain up to date technical knowledge through internal and external training provision. Operate according to the requirements of business-specific applications and processes and the broad application environments (e.g. order submission, stock control, timesheet submission, job closing, etc.).

Your Experience

Essential:

• NVQ 3 in Electronic Security or equivalent proven experience Knowledge of Access control / CCTV / Intercom / Intruder systems. (minimum of 4 Years)
• Knowledge of Windows Operating Systems.
• Knowledge of digital electronics principles and systems
• Health and Safety
• Working knowledge of TCP/IP and other network fundamentals of UFE’s (Unified Front End)

Desirable – (any Or All):

• CCTV – Synergy/Milestone/Genetec/FLIR/Eagle Eye/ProWatch/
• ACS – Ccure/Lenel OnGuard & S2/Gallagher/CEM/PAC
• Intruder – Honeywell / Texecom
• Intercom – Commend
• PSIM – Genetec/Cortech/
• Recognised Qualification in H&S (IOSH/CSCS)
• IPAF
• Working at Height (Rooftop and Safety Access Certification)
• EUSR

Your Qualifications

Desirable – (any or all):

• CCTV – Synergy/Milestone/Genetec/FLIR/Eagle Eye/ProWatch/
• ACS – Ccure/Lenel OnGuard & S2/Gallagher/CEM/PAC
• Intruder – Honeywell / Texecom
• Intercom – Commend
• PSIM – Genetec/Cortech/
• Recognised Qualification in H&S (IOSH/CSCS)
• IPAF
• Working at Height (Rooftop and Safety Access Certification)
• EUSR

Your Key Skills & Competencies

Essential:

• Team Player – Co-operation and ability to work with others
• Good Administration and Time Management
• Competent and Independent – Able to work on own initiative and take responsibility for actions, workload and decisions.
• Inquisitive – Have a desire to learn/research, and develop personally and professionally

Desirable:

Commercial Awareness – understand a role and associated actions have a commercial value and impact to the business and efficiencies are always considered as part of tasks undertaken

Your Aptitudes & Behaviours

Essential:

• Full UK Driving Licence
• Permit to Work
• Ability to complete full personal security screening and be prepared to complete to DV Level if requested.

Desirable:

• Good written and spoken English
• Commercially aware

Your Growth Opportunities

• Training
• Certifications
• Progression
• Exposure to tech/projects

Company Benefits

Working at Reliance means joining an award-winning company that genuinely makes a difference. We combine cutting-edge technology with a team culture built on integrity, agility and trust. You’ll work alongside knowledgeable passionate people who value honesty, collaboration and respect for both customer and colleague.

Your Benefits Include:

• Employee healthcare
• Company sick pay
• Access to 24- online GP
• 25 days holiday plus BH + 1 charity day per year
• Employee Recognition program
• Employee referral scheme
• Training & Accreditation opportunities
• Access to Boostworks
• Long Service Awards

Our Commitments

Reliance High-Tech is committed to creating a diverse work environment and is proud to be an equal opportunity employer. All qualified applicants will receive fair consideration for employment. Reliance recruits, employs, trains, compensates and promotes regardless of race, religion, colour, national origin, sex, disability, age, veteran status, and other protected characteristics as required by applicable law.

To express an interest in this role please send your CV and a covering letter to [e-mail].

Contact Us

0845 121 0802*

[e-mail]

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