Principal Mechanical Engineer

Principal Mechanical Engineer – Data Centres Dublin, Ireland | €95,000–€125,000 + bonus + benefits Data centre experience within an engineering design consultancy is essential. Hybrid working An opportunity for an experienced Principal Mechanical Engineer to take a leading role in the design and delivery of major data centre projects within a specialist engineering consultancy. This position is suited to a technically strong engineer who can take ownership of complex mechanical designs while leading project delivery, coordinating multidisciplinary teams and building trusted client relationships. The role - Lead mechanical design across data centre projects, from concept and detailed design through construction and commissioning. - Take responsibility for critical cooling systems, including chilled water, chillers, CRAHs/CRACs, AHUs, pumps and heat rejection. - Develop and review mechanical calculations, specifications, schematics, equipment selections and technical reports. - Lead design coordination with electrical, CSA, fire protection and BMS teams. - Manage project programmes, deliverables, resources, technical quality and competing priorities across multiple projects. - Review contractor designs, technical submissions, RFIs and vendor proposals, providing construction-stage technical support. - Lead client and design meetings, manage technical risks and oversee scope changes and commercial considerations. - Mentor and review the work of engineers and junior team members, maintaining high technical and delivery standards. What we're looking for - Proven data centre experience is essential, ideally across hyperscale, colocation or other large-scale mission-critical projects. - Previous experience within an engineering design consultancy or MEP consultancy is essential. Candidates whose experience is primarily in facilities operations or contractor-side delivery will not be suitable. - A strong background in mechanical or building services design, with the ability to take personal ownership of complex mechanical design packages. - Extensive knowledge of data centre cooling, HVAC, chilled water systems, mechanical plant and resilient design principles, including N+1 and 2N. - Experience leading mechanical workstreams, coordinating engineers and managing project delivery against programme, scope and budget. - Strong client-facing, communication and technical leadership skills. - A degree in Mechanical Engineering, Building Services Engineering or equivalent. - Chartered Engineer status, or progress towards chartership, is advantageous. - Knowledge of liquid cooling, PUE, heat recovery, ASHRAE and EN 50600 would be beneficial. The opportunity - Salary of €95,000–€125,000, depending on experience. - Work on major data centre projects across Ireland and Europe. - Take ownership of complex technical challenges and lead mechanical design delivery. - Develop your career within a growing specialist engineering consultancy. Location: Dublin, Ireland. If you're an experienced Mechanical Principal Engineer with a background in data centre design consultancy, or a Senior Mechanical Engineer ready to step up, get in touch for a confidential discussion. APPLY NOW! kelly@networktalentpartners.com