Project Engineer Mechanical (Data Centres)

About the Job

We are seeking a motivated Mechanical Project Engineer with 35 years of experience in building services design to join our Engineering Studio a collaborative pool of engineers supporting multiple projects across the business. The Engineering Studio sits at the heart of our technical delivery providing expertise across data centres industrial energy pharmaceutical and commercial sectors.

As a Project Engineer youll play a key technical role in the design coordination and delivery of mechanical building systems. Working within a multidisciplinary team youll contribute to the design and development of innovative sustainable solutions while gaining exposure to diverse and fast-paced projects. This is a hybrid role based in Ireland (3 days in the office).

About MEPCO & Ethos

MEPCO is a leading building services engineering consultancy specializing in high-end mechanical electrical and plumbing design. Recently MEPCO joined Ethos a global engineering consultancy known for innovation sustainable design and digital engineering delivery. Together we combine top-tier local engineering talent with global reach delivering complex infrastructure projects across Europe.

About You

• Bachelors or Masters degree in Mechanical or Building Services Engineering.

• 35 years experience in mechanical building services design ideally within a consultancy environment.

• Exposure to at least one of the following sectors: data centres industrial energy pharmaceutical or commercial buildings.

• Working towards Chartered Engineer (CEng) status with Engineers Ireland or equivalent.

• Demonstrated experience in technical coordination documentation and project delivery.

• Proficient in AutoCAD Revit MEP and Bluebeam; familiar with BIM coordination processes.

• Competent in mechanical design software such as Hevacomp IES HAP or similar for load and energy modelling.

• Understanding of Irish Building Regulations CIBSE Guides ASHRAE and BS/EN standards for mechanical systems.

• Experience in preparing technical specifications reports and detailed HVAC and piping drawings.

• Awareness of energy-efficient technologies low-carbon design and sustainable MEP solutions.

Responsibilities:

• Deliver defined mechanical design packages under the supervision of Senior Engineers or Project Leads.

• Support the design of HVAC chilled water domestic water drainage and fire protection systems from concept through detailed design and construction documentation.

• Perform heating/cooling load calculations duct and pipe sizing equipment selection and energy analysis using appropriate tools.

• Assist in preparing schematics layouts and detailed drawings for mechanical systems.

• Contribute to the development of tender documentation specifications and technical reports.

• Ensure all designs meet CIBSE ASHRAE BS IS and EN standards as well as client and project-specific requirements.

• Participate in QA/QC reviews ensuring consistency accuracy and compliance with internal standards.

• Liaise with contractors suppliers and vendors to address technical queries and coordinate site interfaces.

• Collaborate closely with electrical structural and sustainability teams to deliver coordinated multidisciplinary designs.

• Maintain accurate project documentation and ensure all deliverables meet agreed deadlines and quality benchmarks.

• Support internal coordination meetings share learnings across the Engineering Studio and contribute to continuous improvement initiatives.

• Take ownership of smaller system packages (e.g. ventilation domestic water or controls) with mentoring from senior engineers.