Senior Mechanical Engineer - Building Services Lead (Hybrid)

AECOM Corporation; Dublin; Hybrid; EUR 90,000 - 120,000; Full time

Job summary

AECOM is seeking a Principal Mechanical Engineer to lead the design and delivery of complex mechanical building services in Dublin. You will guide projects across healthcare, education, rail, and data centres, coordinating with architects, engineers, and clients to ensure high-performance, sustainable outcomes.

You will mentor junior engineers, drive engineering excellence, and help grow AECOM’s Building Services practice in Ireland through innovative solutions and effective stakeholder

Qualifications

• Degree in Mechanical Engineering, Building Services Engineering, or related discipline.
• Chartered Engineer (CEng) status or working towards chartership with Engineers Ireland or equivalent.
• Extensive experience in design and delivery of mechanical building services across multiple sectors.
• Proven track record of leading multidisciplinary design teams on complex projects.
• Strong technical expertise in HVAC, public health engineering, heating/cooling plant, low-carbon tech, and sustainable building services design.
• Experience across Healthcare, Education, Rail/Transport, and Mission-critical data centres.
• Excellent communication and stakeholder management; collaborative problem-solving.
• Solid knowledge of Irish Building Regulations, CIBSE guidance, and European/UK standards.

Responsibilities

• Lead mechanical design and delivery of major building services projects across sectors.
• Provide technical leadership and ensure compliance with standards and best practices.
• Coordinate multidisciplinary design teams with electrical, structural, civil, and architectural disciplines.
• Develop energy-efficient, low-carbon building services solutions.
• Build and maintain strong client relationships and act as technical advisor.
• Manage project schedules, resources, budgets, and commercial performance.
• Review and approve calculations, reports, specs, and design docs.
• Mentor junior engineers and graduates in the team.
• Support business development through proposals and client interviews.
• Drive continuous improvement and engineering excellence across Building Services.

Skills

HVAC systems

Building services engineering

Low-carbon technologies

Sustainable design

Leadership capability

Stakeholder management

Education

Mechanical Engineering degree

Chartered Engineer (CEng) status or in progress

Job description

AECOM is seeking a Principal Mechanical Engineer to lead the design and delivery of complex mechanical building services in Dublin. You will guide projects across healthcare, education, rail, and data centres, coordinating with architects, engineers, and clients to ensure high-performance, sustainable outcomes.

You will mentor junior engineers, drive engineering excellence, and help grow AECOM’s Building Services practice in Ireland through innovative solutions and effective stakeholder