Senior Field Service Engineer - UK Travel: 100% field-based, UK travel with a significant portion of work in Slough 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 mainten...