Mechanical Fitter

Mechanical Fitter Industrial & Wind Turbine Gearbox Overhaul An experienced Mechanical Fitter is required to support the overhaul, retrofit, repair, and testing of industrial gearbox systems and renewable energy drivetrain equipment, with a particular focus on wind turbine gearboxes and heavy industrial transmission assemblies. The role involves full strip and rebuild activities, fault diagnosis, component inspection, retrofit modifications, precision assembly, and commissioning support within workshop and field-service environments.The successful candidate will be responsible for carrying out gearbox overhauls to OEM specifications, completing retrofit and upgrade programmes, and ensuring all transmission assemblies achieve required operational, reliability, and quality standards prior to installation and commissioning.Key Responsibilities Complete strip-down, inspection, overhaul, and rebuild of industrial gearbox systems and wind turbine transmission assembliesCarry out retrofit modifications, upgrade installations, and engineering improvements to gearbox and drivetrain systemsDiagnose mechanical failures including bearing damage, gear wear, shaft misalignment, lubrication failures, seal degradation, and housing defectsConduct detailed dimensional inspections using precision measuring equipment including micrometers, bore gauges, dial indicators, laser alignment tools, and verniersMeasure and set bearing preloads, gear backlash, shaft runout, end float, and assembly tolerances in accordance with OEM specificationsPerform gearbox failure analysis and identify root causes through detailed component inspection and condition assessmentRecondition gearbox housings, shafts, gears, bearing journals, and rotating assemblies using approved engineering and reclamation techniquesAssemble and install lubrication systems, oil pumps, cooling circuits, filtration systems, couplings, and associated drivetrain componentsCarry out inspection and replacement of planetary gear sets, high-speed shafts, intermediate stages, and main bearing assemblies within wind turbine gearbox systemsRead and interpret engineering drawings, assembly procedures, technical manuals, hydraulic schematics, and service documentationSupport gearbox removal, installation, alignment, commissioning, and functional testing activities both onsite and within workshop facilitiesPerform mechanical alignment of coupled rotating equipment using laser alignment systems and precision measurement techniquesComplete final inspection and testing procedures to verify gearbox operational performance, vibration levels, and assembly quality standardsMaintain overhaul records, inspection reports, measurement data, and component traceability documentation in line with quality proceduresSkills & Experience Required Strong mechanical engineering background with proven experience in industrial gearbox overhaul and drivetrain maintenanceExperience working on wind turbine gearbox systems or heavy industrial rotating equipmentSound understanding of gearbox internals including planetary gear systems, lubrication systems, bearings, couplings, and shaft assembliesAbility to diagnose and rectify complex mechanical and lubrication-related failuresExperience carrying out gearbox retrofit programmes and engineering modificationsCompetent in precision measurement, tolerance checking, and mechanical alignment proceduresFamiliar with OEM overhaul standards, quality documentation, and engineering best practicesFlexible approach to working hours within a service-driven engineering environmentWillingness to support field-service activities, shutdown work, and offshore/onshore site operations where requiredStrong commitment to health, safety, and safe systems of workAbility to work independently and as part of a multidisciplinary engineering team in demanding operational environmentsTPBN1_UKTJ