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Junior Systems Installation Engineer

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Overview of the role

Whether you are specialising in Fire & Security, Electrical, Mechanical, or Systems Engineering, your role at G4S is about precision and reliability. You will be responsible for the installation, maintenance, and technical support of critical assets that keep our communities and businesses operational and secure.

Joining G4S means joining a team where your technical expertise directly contributes to the safety and security of the places we work and live.

Core responsibilities

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Problem solving

Diagnosing complex technical faults and identifying the most efficient, long-term solutions while adhering to strict SLAs and KPIs.

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Compliance & Safety

Working to the highest Health & Safety standards, ensuring all works meet regulatory requirements and site-specific policies.

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Documentation

Maintaining accurate, real-time technical records and reports via PDA or service management systems to provide transparency to our clients.

Junior Systems Installation Engineer

Bridgwater, United Kingdom

Job ID : 6903
Job category : Engineering
Location : Bridgwater, United Kingdom
Date posted : 10/03/2025
Closing date : 31/07/2026


An exciting opportunity has arisen for a Junior Security Installation Engineer to join our site-based engineering team at the New Nuclear Build (NNB) at Hinkley Point in Somerset. The position is permanent, full-time, with a 42.5-hour workweek, typically working as part of a dedicated engineering team.

The project will involve working with world-class enterprise electronic security systems and is suitable for experienced candidates as well as those with a solid foundation in electronic security systems and a strong desire to advance their skills and knowledge.

What you will be doing

  • Carry out additional installation and commissioning works as directed by team coordinators and/or Senior Site Engineer.

  • Assist the Design Team in conducting surveys around the site for additional works.

  • Accurate collection and recording of site hardware and software configuration information in conjunction with the CAD Engineer.

  • Maintain site stock (spare) levels.

  • Maintain accurate and timely records.

  • Assist the site-based Health and Safety Lead and Project Director in ensuring audits are carried out for quality procedures.

  • In conjunction with the Installations Manager and Health & Safety Manager, to assist in the production of Risk Assessments, Method Statements and other documentation as required to gain Permits to Work promptly

  • To proactively interact with other site-based teams, build a good rapport, and ensure the smooth flow of information to enable the efficient operation of the site.

  • To work in absolute compliance with all site procedures and embrace the customer’s ‘Zero Harm to People and the Environment’ mantra.

  • Carry out any additional tasks that may be required.

What are we looking for

  • Experienced Security installations specialist or Experienced Electrical/Data engineer, Intruder Alarm Systems, Access Control systems, CCTV, Tanoy, PIDs, and

  • Intercom Systems.

  • Excellent understanding of current BS standards relating to Security Systems.

  • Excellent understanding of NSI Standards NCP 104 CCTV NCP 109 Access Control

  • Excellent understanding of PD6662:2017.

  • An ability to understand and commission IP devices on Security Systems.

  • Experience in Analogue and IP-based.

There are some must haves

  • A minimum of 2 years of experience installing and/or servicing a broad product base within the electronic security industry – typically Access Control, CCTV and Intruder alarm systems.

  • Broad IT knowledge, eg, software installation into Windows Operating Systems, IP-based systems and networking principles.

  • Knowledge of basic electrical principles such as measuring voltage, resistance and current. A basic understanding of electrical components, such as relays and resistors.

  • Attention to detail is crucial to ensure that all paperwork is completed correctly and procedures are followed within the allotted timeframes.

  • An enthusiastic team player who can work well under pressure and maintain a professional approach at all times.

  • Comfortable working irregular hours and being on a 24/7 call rota

  • 5-year checkable employment history & Right to work in the UK/EU unrestricted

  • Fluent in written and spoken English

G4S Benefits

  • Workplace Pension Scheme

  • Contributory Healthcare Scheme

  • Eye Vouchers

  • Employee Discount Schemes

  • Progression training & Development opportunities

  • Refer a Friend Scheme


You will need to complete the following application form and one of our Recruiters will be in touch to discuss the next steps. Our recruitment and selection process will include an interview and screening to BS7858 standards.

Given the nature of the industry, we do need to ask some questions for security and compliance purposes, but don’t worry - you will only need to complete them once.

In 2021, G4S, a London-based global security company, was acquired by Allied Universal®, a leading security and facility services company that provides proactive security services and cutting-edge smart technology to deliver tailored, integrated security solutions. This acquisition expanded Allied Universal’s footprint and infrastructure on a global and local level. Through a global workforce of approximately 800,000 people*, we leverage best practices in communities all over the world. With revenue of approximately $20 billion, we have the resources to deploy efficient processes and systems to help deliver our promise locally: keeping people safe so our communities can thrive. In Europe, we have an extensive network of offices and more than 46,500 employees to support our local communities and customers.  We believe there is no greater purpose than serving and safeguarding customers, communities and people in today’s world. Allied Universal is There for you™. For more information, please visit www.g4s.com or www.aus.com.

*Total workforce includes employees and subcontractors

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Success profile

It takes someone special to be a G4S Engineer. We are looking for engineers who take pride in their craft and are committed to continuous learning. Our successful engineers share these core traits:

  • Technical excellence
  • Analytical mindset
  • Adaptability
  • Quality focused
  • Strong communication skills
  • Reliable

Career path

As a G4S Engineer, you are part of a global team that values your technical expertise. Our Engineering positions offer a range of opportunities to support the personal and professional development of our teams. We invest in your technical growth, providing the pathway for you to move from a specialist technician into senior operational leadership.

Engineer/ Technician Lead Engineer/ Qualifying Supervisor Technical Operations Manager Account/ Contract Manager Head of Engineering/ Regional Director

Rewards and benefits

Our benefits vary from country to country and role to role and are designed to ensure our staff have access to the things they need to thrive both in and out of work. This includes on-the-job training, career paths to management and a range of benefits depending on locations around the world.

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Training & Development

We continually invest in the training and development of our employees so that they can reach their full potential.

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Rewarding compensation

Competitive base salary with opportunities for overtime and on-call allowances.

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Promote from within culture

At G4S we pride ourselves on fostering a promote from within culture.

More about G4S