Mechanical Pipe Fitter - Immediate Start - Long Term Work - Hayes Mechanical Pipefitter. Our client, a mechanical subcontractor who operate across London and the Southeast, are looking for a number of pipefitters to join their growing team for various projects across London. As a pipe fitter, you will be fitting steel pipework in office blocks and data centres across various locations.Mechanical Pipe Fitter - Immediate Start - Long Term Work - Hayes Mechanical Pipefitter. Our client, a mechanical subcontractor who operate across London and the Southeast, are looking for a number of pipefitters to join their growing team for various projects across London. As a pipe fitter, you will be fitting steel pipework in office blocks and data centres across various locations. If you are an experienced pipefitter, have your own tools and a CSCS/JIB card, then we would love to hear from you. Please apply below or send your details over to bailey.w mcgconstruction.co.uk