Field Service Engineer Location: Lisburn (Can be based anywhere) Contract: Full-Time | Permanent Salary: £37,500 + Bonus + Company VehicleJoin a Leading Power Generation Specialist Driving the Transition to Net Zero We are recruiting on behalf of a leading international power generation business delivering low-carbon energy and battery storage solutions across the UK and global markets.Operating across sectors including industrial, utilities, public infrastructure, and renewable energy, this organisation specialises in innovative power generation technologies using fuel sources such as biogas, natural gas, and landfill gas. Due to continued growth, they are now seeking an experienced Field Service Engineer - Rebuild to join their engineering team supporting engine maintenance, overhaul, and after-sales operations across customer sites nationwide.The Role As a Field Service Engineer, you will play a key role in maintaining, servicing, and repairing gas and diesel engine installations across a wide range of industrial and energy generation sites throughout the UK. Working both independently and alongside wider engineering teams, you will carry out planned and reactive maintenance activities, diagnose faults, and support engine rebuild and overhaul projects to ensure maximum reliability and performance.This role offers a varied and technically challenging workload with excellent opportunities for training, development, and long-term progression.Key ResponsibilitiesCarry out servicing, maintenance, and repair work on gas and diesel engine installationsSupport engine rebuilds, overhauls, and associated mechanical/electrical activitiesDiagnose faults and implement effective first-time fixes where possiblePerform planned preventative maintenance and reactive breakdown responseTroubleshoot mechanical and electrical issues both onsite and remotelyMaintain ancillary equipment associated with power generation systemsPlan required resources and parts for repair and maintenance activitiesLiaise with internal service teams, parts departments, contractors, and customersEnsure all work is completed in line with manufacturer guidelines and service schedulesSupport delivery of after-sales service contracts across multiple sitesThe Person We are keen to speak with candidates who have:Mechanical and/or electrical engineering qualifications such as ONC, NVQ Level 2, City & Guilds, or equivalentExperience as a time-served engineer or technician within industrial, power generation, plant, HGV, heavy equipment, or engine-related environmentsStrong knowledge of gas and diesel enginesExperience carrying out maintenance, fault finding, overhaul, or rebuild workGood IT skills including Microsoft OfficeA full UK driving licenceA flexible and customer-focused approach to workWorking HoursMonday - Friday8:00am - 4:30pmThis role will also involve:Weekend work when requiredParticipation in a 24-hour callout rotaOccasional out-of-hours supportBenefitsCompetitive salaryAttractive overtime ratesCompany van25 days annual leave plus statutory holidaysEnhanced holiday entitlement with serviceCompany pension scheme with strong employer contributionPrivate healthcareLife insuranceEmployee Assistance ProgrammeCycle to Work SchemeOngoing training and career development opportunitiesWhy Apply? This is an excellent opportunity to join a highly respected engineering business operating at the forefront of power generation and sustainable energy solutions.You'll gain exposure to a wide variety of equipment, sites, and technologies while working within a supportive environment that values technical expertise, development, and long-term career progression.Reach out to for a confidential chat about this role.INDKYSkills:MAINTENANCE ENGINEER ELECTRICAL MECHANICAL SERVICE FIELDBenefits:Bonus + VehicleWHJS1_NI