Travel: UK-wide as required, including occasional overnight stays Take ownership of mechanical projects with a growing contractor where your decisions make a difference. Net Zero Global is recruiting a Senior Project Manager on behalf of an established, growing mechanical contractor based in Orpington. With a strong project pipeline and increasing exposure to data centre work, the business is looking for an experienced mechanical and HVAC professional to manage projects from planning and procurement through installation, commissioning and handover. Projects typically range up to £1.5 million across commercial offices, retail, banking and critical environments. You’ll join a close-knit team with direct access to the owners, meaningful responsibility and the opportunity to grow alongside the business. The role * Take ownership of project programmes, budgets, resources and delivery. * Coordinate site teams, subcontractors and external trades. * Manage procurement, equipment selection and long-lead items. * Read and interpret M&E drawings, schematics and specifications, resolving technical queries and coordination issues. * Monitor project costs and margins, identifying and managing variations. * Build strong relationships with clients, consultants, suppliers and site teams. * Maintain installation quality and compliance with project specifications. * Oversee RAMS, health and safety and site compliance. * Manage commissioning, snagging, reporting and final handover. About you You’ll have a strong mechanical building services background, with substantial experience managing HVAC installations and delivering projects through to completion. We’re looking for: * Proven experience as a Mechanical Project Manager, Senior Project Manager or Mechanical Contracts Manager. * Strong technical knowledge of HVAC and mechanical installations. * Confidence managing programmes, procurement, subcontractors and site coordination. * Commercial awareness covering budgets, margins and variations. * The ability to interpret technical drawings and specifications. * Clear communication, practical problem-solving and confident leadership. * A full UK driving licence and willingness to travel. Experience with design and build, BMS and controls, plumbing or multiple concurrent projects would be beneficial. Why apply? * Varied projects across established commercial sectors and growing data centre opportunities. * Direct access to decision-makers and the ability to influence project delivery. * A supportive business where the owners remain actively involved. * Scope to take on greater responsibility as the company expands