A leading main contractor that operates across Ireland, the UK and Mainland Europe, and specialises in the delivery of complex pharmaceutical, data centre, commercial and petrochemical infrastructure, is actively recruiting a Mechanical Engineer in Slough, London. As a Mechanical Engineer, you’ll play a key role in the design, coordination, and delivery of large-scale mechanical systems on fast-paced data centre projects. You’ll work closely with multidisciplinary teams, clients, and subcontractors to ensure the highest standards of quality, efficiency, and safety throughout the project lifecycle. Key Responsibilities: * Lead mechanical engineering packages from concept through to commissioning * Oversee design coordination between consultants, subcontractors, and internal teams * Ensure compliance with all relevant standards, regulations, and specifications * Manage procurement of mechanical equipment and liaise with suppliers * Support site teams during installation, testing, and commissioning * Monitor progress, cost, and quality, reporting to project management * Provide mentoring and technical leadership to junior engineers Key requirements: * Degree-qualified in Mechanical Engineering or related discipline * Experience in mechanical engineering, ideally with exposure to data centre or mission-critical projects * Proven track record working for main contractors or large MEP firms * Deep understanding of mechanical systems including HVAC etc * Strong coordination and stakeholder management skills * Excellent problem-solving abilities and a hands-on approach * Willingness to travel or relocate for project-based work To apply for this role, please forward your CV using the link provided or email Meallagh