PRS are working with a leading FM Services provider who are looking to expand their team with a Technical Supervisor to work on one of their largest contracts. This role offers progression, one-to-one training and a competitive salary of Β£60k. This role is based in the City of London and is a Monday - Friday position (8am - 5pm). Act as on-site HV/LV Authorised Person when qualified and on shift. Supervise subcontractors, ensuring adherence to RAMS, safe working practices, and contractual obligations. Manage day engineers and shift teams, providing technical support and performance oversight. Ensure statutory, regulatory, and code compliance across all site operations. Support procurement, quotations, asset management, and additional works opportunities. Work closely with management and clients to maintain high service levels and customer satisfaction. Experience in critical facilities, building services, or engineering maintenance environments. Experience managing engineers, subcontractors, and maintenance schedules. This is a large portfolio of landlord buildings where you will be expected to manage 4 buildings at a time and a team of 6 engineers both mechanical and electrical.