Mechanical Engineer

Leap29; Dublin; Hybrid; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Flexible working culture

Excellent work-life balance

Job summary

Leap29 seeks a Principal / Associate Mechanical Engineer for data centres and mission-critical facilities in Dublin. The role combines leadership with advanced HVAC and mechanical design responsibilities, delivering resilient, efficient systems across Europe.

You will mentor engineers, coordinate with clients and contractors, and influence engineering excellence within a growing international consultancy. Hybrid working and exposure to hyperscale projects are core benefits.

Qualifications

• Degree in Mechanical Engineering or Building Services Engineering.
• Experience in data centres or mission-critical environments is preferred.
• Experience with engineering calculations, design reviews and equipment specification.

Responsibilities

• Lead the mechanical design and delivery of large-scale data centre and mission-critical projects.
• Develop innovative HVAC, cooling, chilled water, ventilation and critical infrastructure solutions.
• Provide technical leadership across multidisciplinary project teams.
• Support projects through the full lifecycle from concept to commissioning.
• Mentor junior engineers and contribute to engineering capability development.

Skills

Leadership

Stakeholder management

Communication

Education

Bachelors in Mechanical or Building Services Engineering

Tools

Revit

AutoCAD

IES

Hevacomp

BIM

Job description

Principal / Associate Mechanical Engineer - Data Centres & Mission Critical

Dublin, Ireland | Permanent | Hybrid Working

Our client, a leading international engineering consultancy specialising in data centres and mission-critical facilities, is seeking an experienced Principal / Associate Mechanical Engineer to join its growing Dublin team.

This is an exciting opportunity to work on some of the most advanced and technically challenging data centre developments across Europe. You'll play a key role in delivering high-performance facilities that demand exceptional levels of resilience, reliability, efficiency, and operational uptime.

The successful candidate will combine strong technical expertise with leadership capability, supporting the delivery of complex projects while mentoring engineers and helping to shape engineering excellence across the business.

Key Responsibilities

• Lead the mechanical design and delivery of large-scale data centre and mission-critical projects.
• Develop innovative solutions for HVAC, cooling systems, chilled water, ventilation, heat rejection, and critical infrastructure.
• Provide technical leadership across multidisciplinary project teams.
• Support projects through the full lifecycle, from concept design through to construction and commissioning.
• Undertake engineering calculations, thermal modelling, equipment selection, and technical design reviews.
• Coordinate with clients, contractors, consultants, and project stakeholders.
• Mentor junior engineers and contribute to the development of technical capability within the team.

Key Requirements

• Degree qualified in Mechanical Engineering or Building Services Engineering.
• Strong experience within Data Centres, Mission Critical, Pharmaceutical, Semiconductor, Healthcare, or other highly regulated environments.
• Expertise in HVAC systems, cooling technologies, chilled water systems, and critical mechanical infrastructure.
• Experience with engineering calculations, technical design reviews, and equipment specification.
• Proficiency in Revit, AutoCAD, IES, Hevacomp, and BIM environments.
• Understanding of Irish, European, and international engineering standards.
• Chartered Engineer (CEng) status, or working towards accreditation, is desirable.
• Strong communication, stakeholder management, and leadership skills.

Why Join?

• Work on industry-leading hyperscale and mission-critical developments throughout Europe
• Gain exposure to technically complex and high-profile projects
• Join a collaborative team of recognised data centre specialists
• Enjoy structured professional development and ongoing technical training
• Access genuine career progression opportunities within a rapidly growing international consultancyBenefit from a flexible working culture and excellent work-life balance

If you're a Principal Mechanical Engineer, Associate Mechanical Engineer, or a senior building services professional with a strong background in data centres and mission-critical facilities, we'd love to hear from you.