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Senior Electrical Services 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.

Senior Electrical Services Engineer

Cheltenham, United Kingdom

Job ID : 17739
Job category : Facilities Management
Location : Cheltenham, United Kingdom
Date posted : 27/10/2025
Closing date : 24/11/2025

SENIOR ELECTRICAL SERVICES ENGINEER

 

Salary: £55,000 - £60,000  per annum

Working Hours: Permanent, Full Time, 40 hours per week, Monday to Friday between 8:00am and 5:00pm

Location: Cheltenham

 

Excellent benefits package including 2.5% Golden Hello payment on commencement of employment and up to £2,000 annual retention bonus subject to eligibility criteria (pro-rata for part time employees), subject to achieving and maintaining clearance requirements. 

 

Are you an experienced Power Systems Engineer with a passion for leadership, service delivery, and complex electrical infrastructure?

 

As the Senior Electrical Services Engineer, you will be crucial to maintaining and enhancing our core infrastructure. This strategic role requires a seamless mix of leadership, project execution, and hands-on technical expertise to ensure system integrity and upgrades

 

Core Responsibilities:

  • Provide expert advice, assistance, and technical direction to the entire contract team, including commissioning, service, and third-party personnel.

  • Plan and progress all service-related activities, including testing, commissioning, upgrades, and large-scale outage maintenance.

  • Perform monthly PPM completion, advanced fault diagnosis and rectification across systems like CMAC, PLC, PME, SCADA, and motor control equipment.

  • Lead design, implementation, and commissioning for upgrade projects. Liaise with service providers (including Powell UK) and the end client to advise on optimal solutions and minimise system downtime.

  • Conduct power quality device monitoring and generate monthly/ad hoc reports regarding power usage and quality.

  • Maintain the ENMS asset database, detailing all on-site activities.


Essential requirements:

  • Expertise in LV/HV, PLC, SCADA, VSD’s, PDU’s, UPS & ENMS systems.</p>

  • Experience in one or more of the following: power engineering, electrical drive systems, grid-connected systems, and automation.

  • Experience specifying components, including drives, motors, transformers, switchboards, and panel building.

  • A strong customer-centric mindset with experience translating client needs into effective service solutions.

  • Excellent analytical, interpersonal, and presentation skills to lead teams and advise clients effectively.

You will be valued and supported, and provided with first class training and competitive benefits.

 

Benefits

While working for G4S, you are entitled to a number of benefits and offers from G4S partners and other organisations, from employee assistance provided through WeCare, to RAC cover and so much more, including the below;

  • 2.5% Golden Hello payment 

  • £2,000 annual retention bonus

  • 25 days holiday plus bank holidays 

  • Progression, training and development catered to you.

  • Refer A Friend incentives 

  • Company pension scheme with employer contributions.

  • G4S Life Assurance Scheme.

  • Subsidised healthcare plan.

  • Charity work- Match-IT and Payroll Giving.

  • Confidential Counselling Services

  • 24/7 support specialising in health and medical 

  • Discounts on high street shops and brands including several leading high street brands, retailers and travel suppliers.

 

Please be aware that due to the nature of the business security clearance to a high government level will be required.

#LI-RG1

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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