Senior Mechanical Engineer

Aecom2; Dublin; Hybrid; EUR 55,000 - 75,000; Full time

Job summary

AECOM in Dublin is seeking a talented Mechanical Engineer to join our Buildings + Engineering team. You will help design and deliver mechanical building services across healthcare, education, transport, and mission critical data centres, working with senior engineers, architects and clients.

You will develop energy‑efficient HVAC and building systems while ensuring compliance with Irish/UK standards. This role offers hybrid work options and opportunities for professional growth within a global

Qualifications

• Degree in Mechanical Engineering or related building services discipline.
• Experience delivering mechanical design solutions in a building services consultancy.
• Knowledge of Irish/UK regulations, standards and CIBSE guidance.
• Proficiency with design software, especially Revit; BIM capability required.
• Strong communication and client-facing skills; team collaboration important.

Responsibilities

• Assist in design and delivery of mechanical building services across healthcare, education, transport and data centres.
• Produce mechanical designs, calculations, specs, reports and technical docs to a high standard.
• Coordinate with electrical, structural, civil, architectural and other disciplines.
• Develop energy-efficient, sustainable HVAC and public health systems.
• Ensure designs comply with regulations and project requirements; support programme management.
• Attend design team meetings, site visits and inspections; liaise with clients and contractors.

Skills

Mechanical Engineering

Building Services

Revit BIM

HVAC

Regulations knowledge

Stakeholder comms

Education

Bachelors in Mech Eng

Tools

Revit

BIM platforms

Job description

Start here. Grow here. AECOM is looking for a talented and motivated Mechanical Engineer to join our growing Buildings + Engineering team in Dublin. This is an exciting opportunity to contribute to the design and delivery of innovative mechanical building services solutions across a diverse portfolio of projects, including healthcare facilities, education campuses, railway stations, and mission-critical data centres. Working as part of a collaborative multidisciplinary team, you will support the design and delivery of complex engineering projects while working closely with senior engineers, architects, contractors, and clients. You'll play an important role in developing sustainable, high-performing building services solutions and contribute to the continued success of our Building Services team in Ireland.

Key Responsibilities

• Assist in the design and delivery of mechanical building services projects across the healthcare, education, transport, and data centre sectors.
• Produce mechanical engineering designs, calculations, specifications, reports, and technical documentation to a high standard.
• Coordinate with electrical, structural, civil, architectural, and specialist engineering disciplines to deliver integrated design solutions.
• Develop energy-efficient and sustainable mechanical building services designs, including HVAC, public health, heating, and cooling systems.
• Ensure designs comply with Irish Building Regulations, relevant British and European Standards, CIBSE guidance, and project requirements.
• Support project delivery by assisting with programme management, technical coordination, and client communications.
• Attend design team meetings, site visits, and inspections as required during project delivery.
• Collaborate with clients, contractors, and other stakeholders to resolve technical issues and deliver successful project outcomes.
• Contribute to continuous improvement initiatives and share technical knowledge across the Building Services team.
• Support graduate engineers and work collaboratively within the wider engineering team.

Ready to push the limits of what's possible?

• Degree qualified in Mechanical Engineering, Building Services Engineering, or a related discipline.
• Experience working within a building services consultancy environment, delivering mechanical design solutions across a range of sectors.
• Knowledge of Irish and UK building regulations, standards, and mechanical building services design practices.
• Proficiency in industry-standard mechanical design software and BIM platforms, including Revit.
• Understanding of HVAC, public health, low-carbon, and sustainable building services systems.
• Strong communication, stakeholder engagement, and client-facing skills.
• Ability to work both independently and collaboratively within multidisciplinary project teams.
• Demonstrated problem-solving abilities with a focus on delivering practical and innovative engineering solutions.
• Commitment to professional development and working towards or holding Chartered Engineer status (Engineers Ireland, CIBSE, or equivalent).

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About AECOM

AECOM is the world's trusted infrastructure consulting firm, delivering professional services throughout the project lifecycle - from advisory, planning, design and engineering to program and construction management. On projects spanning transportation, buildings, water, new energy and the environment, our public- and private-sector clients trust us to solve their most complex challenges. Our teams are driven by a common purpose to deliver a better world through our unrivaled technical and digital expertise, a culture of equity, diversity and inclusion, and a commitment to environmental, social and governance priorities. AECOM is a Fortune 500 firm and its Professional Services business had revenue of $16.1 billion in fiscal year 2025. See how we are delivering sustainable legacies for generations to come at aecom.com and @AECOM.

Freedom to Grow in a World of Opportunity

You will have the flexibility you need to do your best work with hybrid work options. Whether you're working from an AECOM office, remote location or at a client site, you will be working in a dynamic environment where your integrity, entrepreneurial spirit and pioneering mindset are championed.

You will help us foster a safe and respectful workplace, where we invite everyone to bring th