JLL is seeking a talented Mobile Engineer with mechanical and electrical expertise to join their facilities management team. This role, based in East Grinstead and London, involves maintaining and repairing building systems across Rolls-Royce sites. The position offers a unique opportunity to work with a Fortune 500® company operating in over 80 countries. The ideal candidate will handle both preventative and corrective maintenance on various mechanical and electrical systems, including HVAC, plumbing, and building management systems. The role requires independent work while maintaining effective collaboration with clients and team members. JLL provides comprehensive resources, training, and opportunities for career advancement within their global network. The company emphasizes employee wellbeing, inclusivity, and a culture of collaboration, making it an ideal environment for professional growth in the commercial property services sector. The position offers full-time employment with a 40-hour work week, Monday to Friday, and includes participation in an on-call rotation for emergency response.