Senior Mechanical Engineer - Data Centre Construction Location: Blyth, Northumberland 3D Personnel are recruiting on behalf of a leading international main contractor specialising in the delivery of major data centre and mission-critical construction projects. Our client is seeking an experienced Senior Mechanical Engineer to oversee mechanical engineering and package delivery on a major data centre development in Blyth, Northumberland. This is a senior position requiring previous data centre construction experience and a strong technical understanding of large-scale mechanical building services installations. The Role Report directly to the MEP Lead and manage a team of mechanical Package Managers Coordinate mechanical construction activities including HVAC, pipework and associated systems Manage technical submittals, RFIs and engineering documentation Oversee mechanical installation sequencing and coordination with other trades Review RAMS and ensure mechanical works are delivered in accordance with project requirements Coordinate mechanical commissioning scripts and testing procedures Support subcontractor valuations, commercial assessments and final account processes Manage technical issues and support programme delivery Oversee O&M documentation, quality close-out and handover requirements Liaise with design, construction and commissioning teams throughout the project Candidate Requirements Previous data centre construction experience is essential Degree in Mechanical or Building Services Engineering Significant mechanical engineering experience in a senior construction or package management position Strong knowledge of HVAC, mechanical pipework, installation sequencing and commissioning Experience managing mechanical subcontractors and engineering teams Commercial awareness and experience supporting valuations and final accounts Excellent technical coordination and problem-solving skills Location & Travel Candidates based within 60 miles of Blyth are strongly preferred, with those within 90 miles also considered favourably. Qualifying candidates living more than 60 miles away may receive Monday to Thursday accommodation and a £160 weekly tax-free allowance, subject to satisfactory proof of address and applicable tax rules. Candidates from Ireland and mainland Europe are also welcome to apply, with flights and accommodation available on a 10 days on / 4 days off rotation. To Apply Please submit your CV to 3D Personnel for a confidential discussion regarding the opportunity