Senior Field Service Engineer

GI Group Main Account; Slough; On-site; GBP 40,000 - 60,000; Full time

Job summary

A leading engineering company is seeking a Senior Field Service Engineer to maintain and optimise advanced power systems across critical environments in the UK, particularly in Slough. You will lead the installation and maintenance of electrical systems, troubleshoot issues, and coordinate service delivery. The ideal candidate has at least 5 years of experience in electrical maintenance and a degree in Electrical Engineering. Expect a full-time, permanent position with responsibilities that include significant UK travel and occasional European projects.

Qualifications

• 5+ years' experience in electrical maintenance within critical facilities or data centres.
• Strong background in DC electrical systems, including UPS systems, batteries, generators, switchgear, and power distribution.
• Familiarity with health & safety standards and preventive maintenance practices.

Responsibilities

• Lead and perform maintenance, installation, and commissioning of electrical systems in critical environments.
• Troubleshoot and resolve electrical issues to minimise downtime.
• Coordinate with vendors, subcontractors, and clients to ensure seamless service delivery.
• Conduct site surveys, training sessions, load bank testing, and system acceptance.

Skills

Electrical maintenance

Leadership

Communication

DC electrical systems

Troubleshooting

Education

Degree or diploma in Electrical Engineering

Tools

Microsoft Office

ERP systems

Financial tools (XERO)

Job description

Senior Field Service Engineer – UK

Travel: field-based, UK travel plus some European trips.

Employment Type: Full-time, permanent

Are you an experienced electrical engineer with a passion for critical infrastructure and customer-focused service? We're looking for a Senior Field Service Engineer to join our team and take ownership of maintaining and optimising advanced power systems across high-demand environments.

What You'll Be Doing

• Lead and perform maintenance, installation, and commissioning of electrical systems in critical environments.
• Troubleshoot and resolve electrical issues to minimise downtime.
• Coordinate with vendors, subcontractors, and clients to ensure seamless service delivery.
• Conduct site surveys, training sessions, load bank testing, and system acceptance.
• Maintain accurate documentation and support root cause analysis for continuous improvement.
• Promote safety, compliance, and operational excellence across all activities.

What You'll Bring

• Degree or diploma in Electrical Engineering (or equivalent).
• 5+ years' experience in electrical maintenance within critical facilities or data centres.
• Strong background in DC electrical systems, including UPS systems, batteries, generators, switchgear, and power distribution.
• Proven leadership and communication skills.
• Familiarity with health & safety standards and preventive maintenance practices.
• Ability to work independently and respond effectively under pressure.

Scope & Coverage

• UK: Full responsibility for service delivery and system performance, with frequent work in Slough.
• Europe: Occasional support and leadership on select projects.

Tech & Tools

• Proficiency in Microsoft Office (Word, Excel, PowerPoint).
• Experience with ERP systems and financial tools (e.g., XERO).

Other Requirements

• Full UK driving license.
• Fluent in English (additional languages are a plus).