You will like Delivering mechanical building services projects from Barnsley, Leeds and/or Sheffield - Yorkshire, for this national mechanical and electrical contractor with a reputation for quality and attention to detail. They are in an excellent position currently and have a healthy pipeline, justifying sustainable growth. Plus the initial project is a landmark data centre job which will be stratgeic for your career. You will like Senior Mechanical Projects Engineer job itself where you will be responsible for the Project Management, Coordination, Installation and commissioning of large scale HVAC, BMS, UPS and Chiller/Cooling systems retrofit for a datacentre/computercentre. Value of initial client/project £25M+ in value. More specifically: Develop system specifications and prepare construction drawings and documentation, Plant and equipment schedules etc. for mechanical HVAC systems. Technical Submissions and RFI communication with PM s. Place orders with Suppliers and Sub-contractors. Coordinate the works inc subcontractors. Manage the whole contract costs from inception to final account, inc preparing and agreeing Monthly Application for Payments. Keep track of Project costs including Labour and Material expenditure, forecasts. Manage Variation and Additional works and their associated costs. Conduct site visits and inspections and attend client and subcontractor meetings. Resolve problems and issues during construction Organise services Commissiong and start up of ne